/*
 * Copyright 2014 Red Hat, Inc.
 *
 * Red Hat licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package io.vertx.reactivex.ext.mongo;

import io.vertx.reactivex.RxHelper;
import io.vertx.reactivex.ObservableHelper;
import io.vertx.reactivex.FlowableHelper;
import io.vertx.reactivex.impl.AsyncResultMaybe;
import io.vertx.reactivex.impl.AsyncResultSingle;
import io.vertx.reactivex.impl.AsyncResultCompletable;
import io.vertx.reactivex.WriteStreamObserver;
import io.vertx.reactivex.WriteStreamSubscriber;
import java.util.Map;
import java.util.Set;
import java.util.List;
import java.util.Iterator;
import java.util.function.Function;
import java.util.stream.Collectors;
import io.vertx.core.Handler;
import io.vertx.core.AsyncResult;
import io.vertx.core.json.JsonObject;
import io.vertx.core.json.JsonArray;
import io.vertx.lang.rx.RxGen;
import io.vertx.lang.rx.TypeArg;
import io.vertx.lang.rx.MappingIterator;

A Vert.x service used to interact with MongoDB server instances.

Some of the operations might change _id field of passed  document.
 NOTE: This class has been automatically generated from the original non RX-ified interface using Vert.x codegen. /**
 * A Vert.x service used to interact with MongoDB server instances.
 * <p>
 * Some of the operations might change <i>_id</i> field of passed  document.
 *
 * <p/>
 * NOTE: This class has been automatically generated from the {@link io.vertx.ext.mongo.MongoClient original} non RX-ified interface using Vert.x codegen.
 */

@RxGen(io.vertx.ext.mongo.MongoClient.class)
public class MongoClient {

  @Override
  public String toString() {
    return delegate.toString();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    MongoClient that = (MongoClient) o;
    return delegate.equals(that.delegate);
  }
  
  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

  public static final TypeArg<MongoClient> __TYPE_ARG = new TypeArg<>(    obj -> new MongoClient((io.vertx.ext.mongo.MongoClient) obj),
    MongoClient::getDelegate
  );

  private final io.vertx.ext.mongo.MongoClient delegate;
  
  public MongoClient(io.vertx.ext.mongo.MongoClient delegate) {
    this.delegate = delegate;
  }

  public MongoClient(Object delegate) {
    this.delegate = (io.vertx.ext.mongo.MongoClient)delegate;
  }

  public io.vertx.ext.mongo.MongoClient getDelegate() {
    return delegate;
  }


  
Create a Mongo client which maintains its own data source.
Params:
vertx – the Vert.x instance
config – the configuration
Returns:
the client/**
   * Create a Mongo client which maintains its own data source.
   * @param vertx the Vert.x instance
   * @param config the configuration
   * @return the client
   */
  public static io.vertx.reactivex.ext.mongo.MongoClient create(io.vertx.reactivex.core.Vertx vertx, JsonObject config) { 
    io.vertx.reactivex.ext.mongo.MongoClient ret = io.vertx.reactivex.ext.mongo.MongoClient.newInstance((io.vertx.ext.mongo.MongoClient)io.vertx.ext.mongo.MongoClient.create(vertx.getDelegate(), config));
    return ret;
  }

  
Create a Mongo client which shares its data source with any other Mongo clients created with the same
data source name
Params:
vertx – the Vert.x instance
config – the configuration
dataSourceName – the data source name
Returns:
the client/**
   * Create a Mongo client which shares its data source with any other Mongo clients created with the same
   * data source name
   * @param vertx the Vert.x instance
   * @param config the configuration
   * @param dataSourceName the data source name
   * @return the client
   */
  public static io.vertx.reactivex.ext.mongo.MongoClient createShared(io.vertx.reactivex.core.Vertx vertx, JsonObject config, String dataSourceName) { 
    io.vertx.reactivex.ext.mongo.MongoClient ret = io.vertx.reactivex.ext.mongo.MongoClient.newInstance((io.vertx.ext.mongo.MongoClient)io.vertx.ext.mongo.MongoClient.createShared(vertx.getDelegate(), config, dataSourceName));
    return ret;
  }

  
Like createShared but with the default data source name 
Params:
vertx – the Vert.x instance
config – the configuration
Returns:
the client/**
   * Like {@link io.vertx.reactivex.ext.mongo.MongoClient#createShared} but with the default data source name
   * @param vertx the Vert.x instance
   * @param config the configuration
   * @return the client
   */
  public static io.vertx.reactivex.ext.mongo.MongoClient createShared(io.vertx.reactivex.core.Vertx vertx, JsonObject config) { 
    io.vertx.reactivex.ext.mongo.MongoClient ret = io.vertx.reactivex.ext.mongo.MongoClient.newInstance((io.vertx.ext.mongo.MongoClient)io.vertx.ext.mongo.MongoClient.createShared(vertx.getDelegate(), config));
    return ret;
  }

  
Save a document in the specified collection

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
resultHandler – result handler will be provided with the id if document didn't already have one
Returns:
/**
   * Save a document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param resultHandler result handler will be provided with the id if document didn't already have one
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient save(String collection, JsonObject document, Handler<AsyncResult<String>> resultHandler) { 
    delegate.save(collection, document, resultHandler);
    return this;
  }

  
Save a document in the specified collection

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
Returns:
/**
   * Save a document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient save(String collection, JsonObject document) {
    return 
save(collection, document, ar -> { });
  }

  
Save a document in the specified collection

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
Returns:
/**
   * Save a document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @return 
   */
  public io.reactivex.Maybe<String> rxSave(String collection, JsonObject document) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      save(collection, document, $handler);
    });
  }

  
Save a document in the specified collection with the specified write option

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
writeOption – the write option to use
resultHandler – result handler will be provided with the id if document didn't already have one
Returns:
/**
   * Save a document in the specified collection with the specified write option
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param writeOption the write option to use
   * @param resultHandler result handler will be provided with the id if document didn't already have one
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient saveWithOptions(String collection, JsonObject document, io.vertx.ext.mongo.WriteOption writeOption, Handler<AsyncResult<String>> resultHandler) { 
    delegate.saveWithOptions(collection, document, writeOption, resultHandler);
    return this;
  }

  
Save a document in the specified collection with the specified write option

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
writeOption – the write option to use
Returns:
/**
   * Save a document in the specified collection with the specified write option
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param writeOption the write option to use
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient saveWithOptions(String collection, JsonObject document, io.vertx.ext.mongo.WriteOption writeOption) {
    return 
saveWithOptions(collection, document, writeOption, ar -> { });
  }

  
Save a document in the specified collection with the specified write option

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
writeOption – the write option to use
Returns:
/**
   * Save a document in the specified collection with the specified write option
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param writeOption the write option to use
   * @return 
   */
  public io.reactivex.Maybe<String> rxSaveWithOptions(String collection, JsonObject document, io.vertx.ext.mongo.WriteOption writeOption) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      saveWithOptions(collection, document, writeOption, $handler);
    });
  }

  
Insert a document in the specified collection

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
resultHandler – result handler will be provided with the id if document didn't already have one
Returns:
/**
   * Insert a document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param resultHandler result handler will be provided with the id if document didn't already have one
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient insert(String collection, JsonObject document, Handler<AsyncResult<String>> resultHandler) { 
    delegate.insert(collection, document, resultHandler);
    return this;
  }

  
Insert a document in the specified collection

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
Returns:
/**
   * Insert a document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient insert(String collection, JsonObject document) {
    return 
insert(collection, document, ar -> { });
  }

  
Insert a document in the specified collection

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
Returns:
/**
   * Insert a document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @return 
   */
  public io.reactivex.Maybe<String> rxInsert(String collection, JsonObject document) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      insert(collection, document, $handler);
    });
  }

  
Insert a document in the specified collection with the specified write option

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
writeOption – the write option to use
resultHandler – result handler will be provided with the id if document didn't already have one
Returns:
/**
   * Insert a document in the specified collection with the specified write option
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param writeOption the write option to use
   * @param resultHandler result handler will be provided with the id if document didn't already have one
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient insertWithOptions(String collection, JsonObject document, io.vertx.ext.mongo.WriteOption writeOption, Handler<AsyncResult<String>> resultHandler) { 
    delegate.insertWithOptions(collection, document, writeOption, resultHandler);
    return this;
  }

  
Insert a document in the specified collection with the specified write option

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
writeOption – the write option to use
Returns:
/**
   * Insert a document in the specified collection with the specified write option
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param writeOption the write option to use
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient insertWithOptions(String collection, JsonObject document, io.vertx.ext.mongo.WriteOption writeOption) {
    return 
insertWithOptions(collection, document, writeOption, ar -> { });
  }

  
Insert a document in the specified collection with the specified write option

This operation might change _id field of document parameter
Params:
collection – the collection
document – the document
writeOption – the write option to use
Returns:
/**
   * Insert a document in the specified collection with the specified write option
   * <p>
   * This operation might change <i>_id</i> field of <i>document</i> parameter
   * @param collection the collection
   * @param document the document
   * @param writeOption the write option to use
   * @return 
   */
  public io.reactivex.Maybe<String> rxInsertWithOptions(String collection, JsonObject document, io.vertx.ext.mongo.WriteOption writeOption) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      insertWithOptions(collection, document, writeOption, $handler);
    });
  }

  
Update matching documents in the specified collection and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
update – used to describe how the documents will be updated
resultHandler – will be called when complete
Returns:
/**
   * Update matching documents in the specified collection and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param update used to describe how the documents will be updated
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient updateCollection(String collection, JsonObject query, JsonObject update, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientUpdateResult>> resultHandler) { 
    delegate.updateCollection(collection, query, update, resultHandler);
    return this;
  }

  
Update matching documents in the specified collection and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
update – used to describe how the documents will be updated
Returns:
/**
   * Update matching documents in the specified collection and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param update used to describe how the documents will be updated
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient updateCollection(String collection, JsonObject query, JsonObject update) {
    return 
updateCollection(collection, query, update, ar -> { });
  }

  
Update matching documents in the specified collection and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
update – used to describe how the documents will be updated
Returns:
/**
   * Update matching documents in the specified collection and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param update used to describe how the documents will be updated
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientUpdateResult> rxUpdateCollection(String collection, JsonObject query, JsonObject update) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      updateCollection(collection, query, update, $handler);
    });
  }

  
Update matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
update – used to describe how the documents will be updated
options – options to configure the update
resultHandler – will be called when complete
Returns:
/**
   * Update matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param update used to describe how the documents will be updated
   * @param options options to configure the update
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient updateCollectionWithOptions(String collection, JsonObject query, JsonObject update, io.vertx.ext.mongo.UpdateOptions options, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientUpdateResult>> resultHandler) { 
    delegate.updateCollectionWithOptions(collection, query, update, options, resultHandler);
    return this;
  }

  
Update matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
update – used to describe how the documents will be updated
options – options to configure the update
Returns:
/**
   * Update matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param update used to describe how the documents will be updated
   * @param options options to configure the update
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient updateCollectionWithOptions(String collection, JsonObject query, JsonObject update, io.vertx.ext.mongo.UpdateOptions options) {
    return 
updateCollectionWithOptions(collection, query, update, options, ar -> { });
  }

  
Update matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
update – used to describe how the documents will be updated
options – options to configure the update
Returns:
/**
   * Update matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param update used to describe how the documents will be updated
   * @param options options to configure the update
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientUpdateResult> rxUpdateCollectionWithOptions(String collection, JsonObject query, JsonObject update, io.vertx.ext.mongo.UpdateOptions options) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      updateCollectionWithOptions(collection, query, update, options, $handler);
    });
  }

  
Replace matching documents in the specified collection and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
replace – all matching documents will be replaced with this
resultHandler – will be called when complete
Returns:
/**
   * Replace matching documents in the specified collection and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param replace all matching documents will be replaced with this
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient replaceDocuments(String collection, JsonObject query, JsonObject replace, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientUpdateResult>> resultHandler) { 
    delegate.replaceDocuments(collection, query, replace, resultHandler);
    return this;
  }

  
Replace matching documents in the specified collection and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
replace – all matching documents will be replaced with this
Returns:
/**
   * Replace matching documents in the specified collection and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param replace all matching documents will be replaced with this
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient replaceDocuments(String collection, JsonObject query, JsonObject replace) {
    return 
replaceDocuments(collection, query, replace, ar -> { });
  }

  
Replace matching documents in the specified collection and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
replace – all matching documents will be replaced with this
Returns:
/**
   * Replace matching documents in the specified collection and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param replace all matching documents will be replaced with this
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientUpdateResult> rxReplaceDocuments(String collection, JsonObject query, JsonObject replace) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      replaceDocuments(collection, query, replace, $handler);
    });
  }

  
Replace matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
replace – all matching documents will be replaced with this
options – options to configure the replace
resultHandler – will be called when complete
Returns:
/**
   * Replace matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param replace all matching documents will be replaced with this
   * @param options options to configure the replace
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient replaceDocumentsWithOptions(String collection, JsonObject query, JsonObject replace, io.vertx.ext.mongo.UpdateOptions options, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientUpdateResult>> resultHandler) { 
    delegate.replaceDocumentsWithOptions(collection, query, replace, options, resultHandler);
    return this;
  }

  
Replace matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
replace – all matching documents will be replaced with this
options – options to configure the replace
Returns:
/**
   * Replace matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param replace all matching documents will be replaced with this
   * @param options options to configure the replace
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient replaceDocumentsWithOptions(String collection, JsonObject query, JsonObject replace, io.vertx.ext.mongo.UpdateOptions options) {
    return 
replaceDocumentsWithOptions(collection, query, replace, options, ar -> { });
  }

  
Replace matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
Params:
collection – the collection
query – query used to match the documents
replace – all matching documents will be replaced with this
options – options to configure the replace
Returns:
/**
   * Replace matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result
   * @param collection the collection
   * @param query query used to match the documents
   * @param replace all matching documents will be replaced with this
   * @param options options to configure the replace
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientUpdateResult> rxReplaceDocumentsWithOptions(String collection, JsonObject query, JsonObject replace, io.vertx.ext.mongo.UpdateOptions options) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      replaceDocumentsWithOptions(collection, query, replace, options, $handler);
    });
  }

  
Execute a bulk operation. Can insert, update, replace, and/or delete multiple documents with one request.
Params:
collection – the collection
operations – the operations to execute
resultHandler – will be called with a MongoClientBulkWriteResult when complete
Returns:
/**
   * Execute a bulk operation. Can insert, update, replace, and/or delete multiple documents with one request.
   * @param collection the collection
   * @param operations the operations to execute
   * @param resultHandler will be called with a {@link io.vertx.ext.mongo.MongoClientBulkWriteResult} when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient bulkWrite(String collection, List<io.vertx.ext.mongo.BulkOperation> operations, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientBulkWriteResult>> resultHandler) { 
    delegate.bulkWrite(collection, operations, resultHandler);
    return this;
  }

  
Execute a bulk operation. Can insert, update, replace, and/or delete multiple documents with one request.
Params:
collection – the collection
operations – the operations to execute
Returns:
/**
   * Execute a bulk operation. Can insert, update, replace, and/or delete multiple documents with one request.
   * @param collection the collection
   * @param operations the operations to execute
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient bulkWrite(String collection, List<io.vertx.ext.mongo.BulkOperation> operations) {
    return 
bulkWrite(collection, operations, ar -> { });
  }

  
Execute a bulk operation. Can insert, update, replace, and/or delete multiple documents with one request.
Params:
collection – the collection
operations – the operations to execute
Returns:
/**
   * Execute a bulk operation. Can insert, update, replace, and/or delete multiple documents with one request.
   * @param collection the collection
   * @param operations the operations to execute
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientBulkWriteResult> rxBulkWrite(String collection, List<io.vertx.ext.mongo.BulkOperation> operations) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      bulkWrite(collection, operations, $handler);
    });
  }

  
Execute a bulk operation with the specified write options. Can insert, update, replace, and/or delete multiple
documents with one request.
Params:
collection – the collection
operations – the operations to execute
bulkWriteOptions – the write options
resultHandler – will be called with a MongoClientBulkWriteResult when complete
Returns:
/**
   * Execute a bulk operation with the specified write options. Can insert, update, replace, and/or delete multiple
   * documents with one request.
   * @param collection the collection
   * @param operations the operations to execute
   * @param bulkWriteOptions the write options
   * @param resultHandler will be called with a {@link io.vertx.ext.mongo.MongoClientBulkWriteResult} when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient bulkWriteWithOptions(String collection, List<io.vertx.ext.mongo.BulkOperation> operations, io.vertx.ext.mongo.BulkWriteOptions bulkWriteOptions, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientBulkWriteResult>> resultHandler) { 
    delegate.bulkWriteWithOptions(collection, operations, bulkWriteOptions, resultHandler);
    return this;
  }

  
Execute a bulk operation with the specified write options. Can insert, update, replace, and/or delete multiple
documents with one request.
Params:
collection – the collection
operations – the operations to execute
bulkWriteOptions – the write options
Returns:
/**
   * Execute a bulk operation with the specified write options. Can insert, update, replace, and/or delete multiple
   * documents with one request.
   * @param collection the collection
   * @param operations the operations to execute
   * @param bulkWriteOptions the write options
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient bulkWriteWithOptions(String collection, List<io.vertx.ext.mongo.BulkOperation> operations, io.vertx.ext.mongo.BulkWriteOptions bulkWriteOptions) {
    return 
bulkWriteWithOptions(collection, operations, bulkWriteOptions, ar -> { });
  }

  
Execute a bulk operation with the specified write options. Can insert, update, replace, and/or delete multiple
documents with one request.
Params:
collection – the collection
operations – the operations to execute
bulkWriteOptions – the write options
Returns:
/**
   * Execute a bulk operation with the specified write options. Can insert, update, replace, and/or delete multiple
   * documents with one request.
   * @param collection the collection
   * @param operations the operations to execute
   * @param bulkWriteOptions the write options
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientBulkWriteResult> rxBulkWriteWithOptions(String collection, List<io.vertx.ext.mongo.BulkOperation> operations, io.vertx.ext.mongo.BulkWriteOptions bulkWriteOptions) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      bulkWriteWithOptions(collection, operations, bulkWriteOptions, $handler);
    });
  }

  
Find matching documents in the specified collection
Params:
collection – the collection
query – query used to match documents
resultHandler – will be provided with list of documents
Returns:
/**
   * Find matching documents in the specified collection
   * @param collection the collection
   * @param query query used to match documents
   * @param resultHandler will be provided with list of documents
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient find(String collection, JsonObject query, Handler<AsyncResult<List<JsonObject>>> resultHandler) { 
    delegate.find(collection, query, resultHandler);
    return this;
  }

  
Find matching documents in the specified collection
Params:
collection – the collection
query – query used to match documents
Returns:
/**
   * Find matching documents in the specified collection
   * @param collection the collection
   * @param query query used to match documents
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient find(String collection, JsonObject query) {
    return 
find(collection, query, ar -> { });
  }

  
Find matching documents in the specified collection
Params:
collection – the collection
query – query used to match documents
Returns:
/**
   * Find matching documents in the specified collection
   * @param collection the collection
   * @param query query used to match documents
   * @return 
   */
  public io.reactivex.Single<List<JsonObject>> rxFind(String collection, JsonObject query) { 
    return AsyncResultSingle.toSingle($handler -> {
      find(collection, query, $handler);
    });
  }

  
Find matching documents in the specified collection.
This method use batchCursor for returning each found document.
Params:
collection – the collection
query – query used to match documents
Returns:
a  emitting found documents/**
   * Find matching documents in the specified collection.
   * This method use batchCursor for returning each found document.
   * @param collection the collection
   * @param query query used to match documents
   * @return a  emitting found documents
   */
  public io.vertx.reactivex.core.streams.ReadStream<JsonObject> findBatch(String collection, JsonObject query) { 
    io.vertx.reactivex.core.streams.ReadStream<JsonObject> ret = io.vertx.reactivex.core.streams.ReadStream.newInstance((io.vertx.core.streams.ReadStream)delegate.findBatch(collection, query), TypeArg.unknown());
    return ret;
  }

  
Find matching documents in the specified collection, specifying options
Params:
collection – the collection
query – query used to match documents
options – options to configure the find
resultHandler – will be provided with list of documents
Returns:
/**
   * Find matching documents in the specified collection, specifying options
   * @param collection the collection
   * @param query query used to match documents
   * @param options options to configure the find
   * @param resultHandler will be provided with list of documents
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.FindOptions options, Handler<AsyncResult<List<JsonObject>>> resultHandler) { 
    delegate.findWithOptions(collection, query, options, resultHandler);
    return this;
  }

  
Find matching documents in the specified collection, specifying options
Params:
collection – the collection
query – query used to match documents
options – options to configure the find
Returns:
/**
   * Find matching documents in the specified collection, specifying options
   * @param collection the collection
   * @param query query used to match documents
   * @param options options to configure the find
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.FindOptions options) {
    return 
findWithOptions(collection, query, options, ar -> { });
  }

  
Find matching documents in the specified collection, specifying options
Params:
collection – the collection
query – query used to match documents
options – options to configure the find
Returns:
/**
   * Find matching documents in the specified collection, specifying options
   * @param collection the collection
   * @param query query used to match documents
   * @param options options to configure the find
   * @return 
   */
  public io.reactivex.Single<List<JsonObject>> rxFindWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.FindOptions options) { 
    return AsyncResultSingle.toSingle($handler -> {
      findWithOptions(collection, query, options, $handler);
    });
  }

  
Find matching documents in the specified collection, specifying options.
This method use batchCursor for returning each found document.
Params:
collection – the collection
query – query used to match documents
options – options to configure the find
Returns:
a  emitting found documents/**
   * Find matching documents in the specified collection, specifying options.
   * This method use batchCursor for returning each found document.
   * @param collection the collection
   * @param query query used to match documents
   * @param options options to configure the find
   * @return a  emitting found documents
   */
  public io.vertx.reactivex.core.streams.ReadStream<JsonObject> findBatchWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.FindOptions options) { 
    io.vertx.reactivex.core.streams.ReadStream<JsonObject> ret = io.vertx.reactivex.core.streams.ReadStream.newInstance((io.vertx.core.streams.ReadStream)delegate.findBatchWithOptions(collection, query, options), TypeArg.unknown());
    return ret;
  }

  
Find a single matching document in the specified collection

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
fields – the fields
resultHandler – will be provided with the document, if any
Returns:
/**
   * Find a single matching document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param fields the fields
   * @param resultHandler will be provided with the document, if any
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOne(String collection, JsonObject query, JsonObject fields, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.findOne(collection, query, fields, resultHandler);
    return this;
  }

  
Find a single matching document in the specified collection

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
fields – the fields
Returns:
/**
   * Find a single matching document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param fields the fields
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOne(String collection, JsonObject query, JsonObject fields) {
    return 
findOne(collection, query, fields, ar -> { });
  }

  
Find a single matching document in the specified collection

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
fields – the fields
Returns:
/**
   * Find a single matching document in the specified collection
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param fields the fields
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxFindOne(String collection, JsonObject query, JsonObject fields) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      findOne(collection, query, fields, $handler);
    });
  }

  
Find a single matching document in the specified collection and update it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
update – used to describe how the documents will be updated
resultHandler – will be provided with the document, if any
Returns:
/**
   * Find a single matching document in the specified collection and update it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param update used to describe how the documents will be updated
   * @param resultHandler will be provided with the document, if any
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndUpdate(String collection, JsonObject query, JsonObject update, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.findOneAndUpdate(collection, query, update, resultHandler);
    return this;
  }

  
Find a single matching document in the specified collection and update it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
update – used to describe how the documents will be updated
Returns:
/**
   * Find a single matching document in the specified collection and update it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param update used to describe how the documents will be updated
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndUpdate(String collection, JsonObject query, JsonObject update) {
    return 
findOneAndUpdate(collection, query, update, ar -> { });
  }

  
Find a single matching document in the specified collection and update it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
update – used to describe how the documents will be updated
Returns:
/**
   * Find a single matching document in the specified collection and update it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param update used to describe how the documents will be updated
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxFindOneAndUpdate(String collection, JsonObject query, JsonObject update) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      findOneAndUpdate(collection, query, update, $handler);
    });
  }

  
Find a single matching document in the specified collection and update it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
update – used to describe how the documents will be updated
findOptions – options to configure the find
updateOptions – options to configure the update
resultHandler – will be provided with the document, if any
Returns:
/**
   * Find a single matching document in the specified collection and update it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param update used to describe how the documents will be updated
   * @param findOptions options to configure the find
   * @param updateOptions options to configure the update
   * @param resultHandler will be provided with the document, if any
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndUpdateWithOptions(String collection, JsonObject query, JsonObject update, io.vertx.ext.mongo.FindOptions findOptions, io.vertx.ext.mongo.UpdateOptions updateOptions, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.findOneAndUpdateWithOptions(collection, query, update, findOptions, updateOptions, resultHandler);
    return this;
  }

  
Find a single matching document in the specified collection and update it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
update – used to describe how the documents will be updated
findOptions – options to configure the find
updateOptions – options to configure the update
Returns:
/**
   * Find a single matching document in the specified collection and update it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param update used to describe how the documents will be updated
   * @param findOptions options to configure the find
   * @param updateOptions options to configure the update
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndUpdateWithOptions(String collection, JsonObject query, JsonObject update, io.vertx.ext.mongo.FindOptions findOptions, io.vertx.ext.mongo.UpdateOptions updateOptions) {
    return 
findOneAndUpdateWithOptions(collection, query, update, findOptions, updateOptions, ar -> { });
  }

  
Find a single matching document in the specified collection and update it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
update – used to describe how the documents will be updated
findOptions – options to configure the find
updateOptions – options to configure the update
Returns:
/**
   * Find a single matching document in the specified collection and update it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param update used to describe how the documents will be updated
   * @param findOptions options to configure the find
   * @param updateOptions options to configure the update
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxFindOneAndUpdateWithOptions(String collection, JsonObject query, JsonObject update, io.vertx.ext.mongo.FindOptions findOptions, io.vertx.ext.mongo.UpdateOptions updateOptions) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      findOneAndUpdateWithOptions(collection, query, update, findOptions, updateOptions, $handler);
    });
  }

  
Find a single matching document in the specified collection and replace it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
replace – the replacement document
resultHandler – will be provided with the document, if any
Returns:
/**
   * Find a single matching document in the specified collection and replace it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param replace the replacement document
   * @param resultHandler will be provided with the document, if any
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndReplace(String collection, JsonObject query, JsonObject replace, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.findOneAndReplace(collection, query, replace, resultHandler);
    return this;
  }

  
Find a single matching document in the specified collection and replace it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
replace – the replacement document
Returns:
/**
   * Find a single matching document in the specified collection and replace it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param replace the replacement document
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndReplace(String collection, JsonObject query, JsonObject replace) {
    return 
findOneAndReplace(collection, query, replace, ar -> { });
  }

  
Find a single matching document in the specified collection and replace it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
replace – the replacement document
Returns:
/**
   * Find a single matching document in the specified collection and replace it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param replace the replacement document
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxFindOneAndReplace(String collection, JsonObject query, JsonObject replace) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      findOneAndReplace(collection, query, replace, $handler);
    });
  }

  
Find a single matching document in the specified collection and replace it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
replace – the replacement document
findOptions – options to configure the find
updateOptions – options to configure the update
resultHandler – will be provided with the document, if any
Returns:
/**
   * Find a single matching document in the specified collection and replace it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param replace the replacement document
   * @param findOptions options to configure the find
   * @param updateOptions options to configure the update
   * @param resultHandler will be provided with the document, if any
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndReplaceWithOptions(String collection, JsonObject query, JsonObject replace, io.vertx.ext.mongo.FindOptions findOptions, io.vertx.ext.mongo.UpdateOptions updateOptions, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.findOneAndReplaceWithOptions(collection, query, replace, findOptions, updateOptions, resultHandler);
    return this;
  }

  
Find a single matching document in the specified collection and replace it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
replace – the replacement document
findOptions – options to configure the find
updateOptions – options to configure the update
Returns:
/**
   * Find a single matching document in the specified collection and replace it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param replace the replacement document
   * @param findOptions options to configure the find
   * @param updateOptions options to configure the update
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndReplaceWithOptions(String collection, JsonObject query, JsonObject replace, io.vertx.ext.mongo.FindOptions findOptions, io.vertx.ext.mongo.UpdateOptions updateOptions) {
    return 
findOneAndReplaceWithOptions(collection, query, replace, findOptions, updateOptions, ar -> { });
  }

  
Find a single matching document in the specified collection and replace it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
replace – the replacement document
findOptions – options to configure the find
updateOptions – options to configure the update
Returns:
/**
   * Find a single matching document in the specified collection and replace it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param replace the replacement document
   * @param findOptions options to configure the find
   * @param updateOptions options to configure the update
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxFindOneAndReplaceWithOptions(String collection, JsonObject query, JsonObject replace, io.vertx.ext.mongo.FindOptions findOptions, io.vertx.ext.mongo.UpdateOptions updateOptions) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      findOneAndReplaceWithOptions(collection, query, replace, findOptions, updateOptions, $handler);
    });
  }

  
Find a single matching document in the specified collection and delete it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
resultHandler – will be provided with the deleted document, if any
Returns:
/**
   * Find a single matching document in the specified collection and delete it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param resultHandler will be provided with the deleted document, if any
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndDelete(String collection, JsonObject query, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.findOneAndDelete(collection, query, resultHandler);
    return this;
  }

  
Find a single matching document in the specified collection and delete it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
Returns:
/**
   * Find a single matching document in the specified collection and delete it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndDelete(String collection, JsonObject query) {
    return 
findOneAndDelete(collection, query, ar -> { });
  }

  
Find a single matching document in the specified collection and delete it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
Returns:
/**
   * Find a single matching document in the specified collection and delete it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxFindOneAndDelete(String collection, JsonObject query) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      findOneAndDelete(collection, query, $handler);
    });
  }

  
Find a single matching document in the specified collection and delete it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
findOptions – options to configure the find
resultHandler – will be provided with the deleted document, if any
Returns:
/**
   * Find a single matching document in the specified collection and delete it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param findOptions options to configure the find
   * @param resultHandler will be provided with the deleted document, if any
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndDeleteWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.FindOptions findOptions, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.findOneAndDeleteWithOptions(collection, query, findOptions, resultHandler);
    return this;
  }

  
Find a single matching document in the specified collection and delete it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
findOptions – options to configure the find
Returns:
/**
   * Find a single matching document in the specified collection and delete it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param findOptions options to configure the find
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient findOneAndDeleteWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.FindOptions findOptions) {
    return 
findOneAndDeleteWithOptions(collection, query, findOptions, ar -> { });
  }

  
Find a single matching document in the specified collection and delete it.

This operation might change _id field of query parameter
Params:
collection – the collection
query – the query used to match the document
findOptions – options to configure the find
Returns:
/**
   * Find a single matching document in the specified collection and delete it.
   * <p>
   * This operation might change <i>_id</i> field of <i>query</i> parameter
   * @param collection the collection
   * @param query the query used to match the document
   * @param findOptions options to configure the find
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxFindOneAndDeleteWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.FindOptions findOptions) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      findOneAndDeleteWithOptions(collection, query, findOptions, $handler);
    });
  }

  
Count matching documents in a collection.
Params:
collection – the collection
query – query used to match documents
resultHandler – will be provided with the number of matching documents
Returns:
/**
   * Count matching documents in a collection.
   * @param collection the collection
   * @param query query used to match documents
   * @param resultHandler will be provided with the number of matching documents
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient count(String collection, JsonObject query, Handler<AsyncResult<Long>> resultHandler) { 
    delegate.count(collection, query, resultHandler);
    return this;
  }

  
Count matching documents in a collection.
Params:
collection – the collection
query – query used to match documents
Returns:
/**
   * Count matching documents in a collection.
   * @param collection the collection
   * @param query query used to match documents
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient count(String collection, JsonObject query) {
    return 
count(collection, query, ar -> { });
  }

  
Count matching documents in a collection.
Params:
collection – the collection
query – query used to match documents
Returns:
/**
   * Count matching documents in a collection.
   * @param collection the collection
   * @param query query used to match documents
   * @return 
   */
  public io.reactivex.Single<Long> rxCount(String collection, JsonObject query) { 
    return AsyncResultSingle.toSingle($handler -> {
      count(collection, query, $handler);
    });
  }

  
Remove matching documents from a collection and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match documents
resultHandler – will be called when complete
Returns:
/**
   * Remove matching documents from a collection and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match documents
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocuments(String collection, JsonObject query, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientDeleteResult>> resultHandler) { 
    delegate.removeDocuments(collection, query, resultHandler);
    return this;
  }

  
Remove matching documents from a collection and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match documents
Returns:
/**
   * Remove matching documents from a collection and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match documents
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocuments(String collection, JsonObject query) {
    return 
removeDocuments(collection, query, ar -> { });
  }

  
Remove matching documents from a collection and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match documents
Returns:
/**
   * Remove matching documents from a collection and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match documents
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientDeleteResult> rxRemoveDocuments(String collection, JsonObject query) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      removeDocuments(collection, query, $handler);
    });
  }

  
Remove matching documents from a collection with the specified write option and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match documents
writeOption – the write option to use
resultHandler – will be called when complete
Returns:
/**
   * Remove matching documents from a collection with the specified write option and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match documents
   * @param writeOption the write option to use
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocumentsWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.WriteOption writeOption, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientDeleteResult>> resultHandler) { 
    delegate.removeDocumentsWithOptions(collection, query, writeOption, resultHandler);
    return this;
  }

  
Remove matching documents from a collection with the specified write option and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match documents
writeOption – the write option to use
Returns:
/**
   * Remove matching documents from a collection with the specified write option and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match documents
   * @param writeOption the write option to use
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocumentsWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.WriteOption writeOption) {
    return 
removeDocumentsWithOptions(collection, query, writeOption, ar -> { });
  }

  
Remove matching documents from a collection with the specified write option and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match documents
writeOption – the write option to use
Returns:
/**
   * Remove matching documents from a collection with the specified write option and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match documents
   * @param writeOption the write option to use
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientDeleteResult> rxRemoveDocumentsWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.WriteOption writeOption) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      removeDocumentsWithOptions(collection, query, writeOption, $handler);
    });
  }

  
Remove a single matching document from a collection and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match document
resultHandler – will be called when complete
Returns:
/**
   * Remove a single matching document from a collection and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match document
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocument(String collection, JsonObject query, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientDeleteResult>> resultHandler) { 
    delegate.removeDocument(collection, query, resultHandler);
    return this;
  }

  
Remove a single matching document from a collection and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match document
Returns:
/**
   * Remove a single matching document from a collection and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match document
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocument(String collection, JsonObject query) {
    return 
removeDocument(collection, query, ar -> { });
  }

  
Remove a single matching document from a collection and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match document
Returns:
/**
   * Remove a single matching document from a collection and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match document
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientDeleteResult> rxRemoveDocument(String collection, JsonObject query) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      removeDocument(collection, query, $handler);
    });
  }

  
Remove a single matching document from a collection with the specified write option and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match document
writeOption – the write option to use
resultHandler – will be called when complete
Returns:
/**
   * Remove a single matching document from a collection with the specified write option and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match document
   * @param writeOption the write option to use
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocumentWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.WriteOption writeOption, Handler<AsyncResult<io.vertx.ext.mongo.MongoClientDeleteResult>> resultHandler) { 
    delegate.removeDocumentWithOptions(collection, query, writeOption, resultHandler);
    return this;
  }

  
Remove a single matching document from a collection with the specified write option and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match document
writeOption – the write option to use
Returns:
/**
   * Remove a single matching document from a collection with the specified write option and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match document
   * @param writeOption the write option to use
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient removeDocumentWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.WriteOption writeOption) {
    return 
removeDocumentWithOptions(collection, query, writeOption, ar -> { });
  }

  
Remove a single matching document from a collection with the specified write option and return the handler with MongoClientDeleteResult result
Params:
collection – the collection
query – query used to match document
writeOption – the write option to use
Returns:
/**
   * Remove a single matching document from a collection with the specified write option and return the handler with MongoClientDeleteResult result
   * @param collection the collection
   * @param query query used to match document
   * @param writeOption the write option to use
   * @return 
   */
  public io.reactivex.Maybe<io.vertx.ext.mongo.MongoClientDeleteResult> rxRemoveDocumentWithOptions(String collection, JsonObject query, io.vertx.ext.mongo.WriteOption writeOption) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      removeDocumentWithOptions(collection, query, writeOption, $handler);
    });
  }

  
Create a new collection
Params:
collectionName – the name of the collection
resultHandler – will be called when complete
Returns:
/**
   * Create a new collection
   * @param collectionName the name of the collection
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createCollection(String collectionName, Handler<AsyncResult<Void>> resultHandler) { 
    delegate.createCollection(collectionName, resultHandler);
    return this;
  }

  
Create a new collection
Params:
collectionName – the name of the collection
Returns:
/**
   * Create a new collection
   * @param collectionName the name of the collection
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createCollection(String collectionName) {
    return 
createCollection(collectionName, ar -> { });
  }

  
Create a new collection
Params:
collectionName – the name of the collection
Returns:
/**
   * Create a new collection
   * @param collectionName the name of the collection
   * @return 
   */
  public io.reactivex.Completable rxCreateCollection(String collectionName) { 
    return AsyncResultCompletable.toCompletable($handler -> {
      createCollection(collectionName, $handler);
    });
  }

  
Get a list of all collections in the database.
Params:
resultHandler – will be called with a list of collections.
Returns:
/**
   * Get a list of all collections in the database.
   * @param resultHandler will be called with a list of collections.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient getCollections(Handler<AsyncResult<List<String>>> resultHandler) { 
    delegate.getCollections(resultHandler);
    return this;
  }

  
Get a list of all collections in the database.
Returns:
/**
   * Get a list of all collections in the database.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient getCollections() {
    return 
getCollections(ar -> { });
  }

  
Get a list of all collections in the database.
Returns:
/**
   * Get a list of all collections in the database.
   * @return 
   */
  public io.reactivex.Single<List<String>> rxGetCollections() { 
    return AsyncResultSingle.toSingle($handler -> {
      getCollections($handler);
    });
  }

  
Drop a collection
Params:
collection – the collection
resultHandler – will be called when complete
Returns:
/**
   * Drop a collection
   * @param collection the collection
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient dropCollection(String collection, Handler<AsyncResult<Void>> resultHandler) { 
    delegate.dropCollection(collection, resultHandler);
    return this;
  }

  
Drop a collection
Params:
collection – the collection
Returns:
/**
   * Drop a collection
   * @param collection the collection
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient dropCollection(String collection) {
    return 
dropCollection(collection, ar -> { });
  }

  
Drop a collection
Params:
collection – the collection
Returns:
/**
   * Drop a collection
   * @param collection the collection
   * @return 
   */
  public io.reactivex.Completable rxDropCollection(String collection) { 
    return AsyncResultCompletable.toCompletable($handler -> {
      dropCollection(collection, $handler);
    });
  }

  
Creates an index.
Params:
collection – the collection
key – A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
resultHandler – will be called when complete
Returns:
/**
   * Creates an index.
   * @param collection the collection
   * @param key A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createIndex(String collection, JsonObject key, Handler<AsyncResult<Void>> resultHandler) { 
    delegate.createIndex(collection, key, resultHandler);
    return this;
  }

  
Creates an index.
Params:
collection – the collection
key – A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
Returns:
/**
   * Creates an index.
   * @param collection the collection
   * @param key A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createIndex(String collection, JsonObject key) {
    return 
createIndex(collection, key, ar -> { });
  }

  
Creates an index.
Params:
collection – the collection
key – A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
Returns:
/**
   * Creates an index.
   * @param collection the collection
   * @param key A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @return 
   */
  public io.reactivex.Completable rxCreateIndex(String collection, JsonObject key) { 
    return AsyncResultCompletable.toCompletable($handler -> {
      createIndex(collection, key, $handler);
    });
  }

  
Creates an index.
Params:
collection – the collection
key – A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
options – the options for the index
resultHandler – will be called when complete
Returns:
/**
   * Creates an index.
   * @param collection the collection
   * @param key A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @param options the options for the index
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createIndexWithOptions(String collection, JsonObject key, io.vertx.ext.mongo.IndexOptions options, Handler<AsyncResult<Void>> resultHandler) { 
    delegate.createIndexWithOptions(collection, key, options, resultHandler);
    return this;
  }

  
Creates an index.
Params:
collection – the collection
key – A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
options – the options for the index
Returns:
/**
   * Creates an index.
   * @param collection the collection
   * @param key A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @param options the options for the index
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createIndexWithOptions(String collection, JsonObject key, io.vertx.ext.mongo.IndexOptions options) {
    return 
createIndexWithOptions(collection, key, options, ar -> { });
  }

  
Creates an index.
Params:
collection – the collection
key – A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
options – the options for the index
Returns:
/**
   * Creates an index.
   * @param collection the collection
   * @param key A document that contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @param options the options for the index
   * @return 
   */
  public io.reactivex.Completable rxCreateIndexWithOptions(String collection, JsonObject key, io.vertx.ext.mongo.IndexOptions options) { 
    return AsyncResultCompletable.toCompletable($handler -> {
      createIndexWithOptions(collection, key, options, $handler);
    });
  }

  
creates an indexes
Params:
collection – the collection
indexes – A model that contains pairs of document and indexOptions, document contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
resultHandler – will be called when complete
Returns:
/**
   * creates an indexes
   * @param collection the collection
   * @param indexes A model that contains pairs of document and indexOptions, document contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createIndexes(String collection, List<io.vertx.ext.mongo.IndexModel> indexes, Handler<AsyncResult<Void>> resultHandler) { 
    delegate.createIndexes(collection, indexes, resultHandler);
    return this;
  }

  
creates an indexes
Params:
collection – the collection
indexes – A model that contains pairs of document and indexOptions, document contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
Returns:
/**
   * creates an indexes
   * @param collection the collection
   * @param indexes A model that contains pairs of document and indexOptions, document contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createIndexes(String collection, List<io.vertx.ext.mongo.IndexModel> indexes) {
    return 
createIndexes(collection, indexes, ar -> { });
  }

  
creates an indexes
Params:
collection – the collection
indexes – A model that contains pairs of document and indexOptions, document contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
Returns:
/**
   * creates an indexes
   * @param collection the collection
   * @param indexes A model that contains pairs of document and indexOptions, document contains the field and value pairs where the field is the index key and the value describes the type of index for that field. For an ascending index on a field, specify a value of 1; for descending index, specify a value of -1.
   * @return 
   */
  public io.reactivex.Completable rxCreateIndexes(String collection, List<io.vertx.ext.mongo.IndexModel> indexes) { 
    return AsyncResultCompletable.toCompletable($handler -> {
      createIndexes(collection, indexes, $handler);
    });
  }

  
Get all the indexes in this collection.
Params:
collection – the collection
resultHandler – will be called when complete
Returns:
/**
   * Get all the indexes in this collection.
   * @param collection the collection
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient listIndexes(String collection, Handler<AsyncResult<JsonArray>> resultHandler) { 
    delegate.listIndexes(collection, resultHandler);
    return this;
  }

  
Get all the indexes in this collection.
Params:
collection – the collection
Returns:
/**
   * Get all the indexes in this collection.
   * @param collection the collection
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient listIndexes(String collection) {
    return 
listIndexes(collection, ar -> { });
  }

  
Get all the indexes in this collection.
Params:
collection – the collection
Returns:
/**
   * Get all the indexes in this collection.
   * @param collection the collection
   * @return 
   */
  public io.reactivex.Single<JsonArray> rxListIndexes(String collection) { 
    return AsyncResultSingle.toSingle($handler -> {
      listIndexes(collection, $handler);
    });
  }

  
Drops the index given its name.
Params:
collection – the collection
indexName – the name of the index to remove
resultHandler – will be called when complete
Returns:
/**
   * Drops the index given its name.
   * @param collection the collection
   * @param indexName the name of the index to remove
   * @param resultHandler will be called when complete
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient dropIndex(String collection, String indexName, Handler<AsyncResult<Void>> resultHandler) { 
    delegate.dropIndex(collection, indexName, resultHandler);
    return this;
  }

  
Drops the index given its name.
Params:
collection – the collection
indexName – the name of the index to remove
Returns:
/**
   * Drops the index given its name.
   * @param collection the collection
   * @param indexName the name of the index to remove
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient dropIndex(String collection, String indexName) {
    return 
dropIndex(collection, indexName, ar -> { });
  }

  
Drops the index given its name.
Params:
collection – the collection
indexName – the name of the index to remove
Returns:
/**
   * Drops the index given its name.
   * @param collection the collection
   * @param indexName the name of the index to remove
   * @return 
   */
  public io.reactivex.Completable rxDropIndex(String collection, String indexName) { 
    return AsyncResultCompletable.toCompletable($handler -> {
      dropIndex(collection, indexName, $handler);
    });
  }

  
Run an arbitrary MongoDB command.
Params:
commandName – the name of the command
command – the command
resultHandler – will be called with the result.
Returns:
/**
   * Run an arbitrary MongoDB command.
   * @param commandName the name of the command
   * @param command the command
   * @param resultHandler will be called with the result.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient runCommand(String commandName, JsonObject command, Handler<AsyncResult<JsonObject>> resultHandler) { 
    delegate.runCommand(commandName, command, resultHandler);
    return this;
  }

  
Run an arbitrary MongoDB command.
Params:
commandName – the name of the command
command – the command
Returns:
/**
   * Run an arbitrary MongoDB command.
   * @param commandName the name of the command
   * @param command the command
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient runCommand(String commandName, JsonObject command) {
    return 
runCommand(commandName, command, ar -> { });
  }

  
Run an arbitrary MongoDB command.
Params:
commandName – the name of the command
command – the command
Returns:
/**
   * Run an arbitrary MongoDB command.
   * @param commandName the name of the command
   * @param command the command
   * @return 
   */
  public io.reactivex.Maybe<JsonObject> rxRunCommand(String commandName, JsonObject command) { 
    return AsyncResultMaybe.toMaybe($handler -> {
      runCommand(commandName, command, $handler);
    });
  }

  
Gets the distinct values of the specified field name.
Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
Params:
collection – the collection
fieldName – the field name
resultClassname – 
resultHandler – will be provided with array of values.
Returns:
/**
   * Gets the distinct values of the specified field name.
   * Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @param resultHandler will be provided with array of values.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient distinct(String collection, String fieldName, String resultClassname, Handler<AsyncResult<JsonArray>> resultHandler) { 
    delegate.distinct(collection, fieldName, resultClassname, resultHandler);
    return this;
  }

  
Gets the distinct values of the specified field name.
Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
Params:
collection – the collection
fieldName – the field name
resultClassname – 
Returns:
/**
   * Gets the distinct values of the specified field name.
   * Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient distinct(String collection, String fieldName, String resultClassname) {
    return 
distinct(collection, fieldName, resultClassname, ar -> { });
  }

  
Gets the distinct values of the specified field name.
Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
Params:
collection – the collection
fieldName – the field name
resultClassname – 
Returns:
/**
   * Gets the distinct values of the specified field name.
   * Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @return 
   */
  public io.reactivex.Single<JsonArray> rxDistinct(String collection, String fieldName, String resultClassname) { 
    return AsyncResultSingle.toSingle($handler -> {
      distinct(collection, fieldName, resultClassname, $handler);
    });
  }

  
Gets the distinct values of the specified field name filtered by specified query.
Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
Params:
collection – the collection
fieldName – the field name
resultClassname – 
query – the query
resultHandler – will be provided with array of values.
Returns:
/**
   * Gets the distinct values of the specified field name filtered by specified query.
   * Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @param query the query
   * @param resultHandler will be provided with array of values.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient distinctWithQuery(String collection, String fieldName, String resultClassname, JsonObject query, Handler<AsyncResult<JsonArray>> resultHandler) { 
    delegate.distinctWithQuery(collection, fieldName, resultClassname, query, resultHandler);
    return this;
  }

  
Gets the distinct values of the specified field name filtered by specified query.
Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
Params:
collection – the collection
fieldName – the field name
resultClassname – 
query – the query
Returns:
/**
   * Gets the distinct values of the specified field name filtered by specified query.
   * Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @param query the query
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient distinctWithQuery(String collection, String fieldName, String resultClassname, JsonObject query) {
    return 
distinctWithQuery(collection, fieldName, resultClassname, query, ar -> { });
  }

  
Gets the distinct values of the specified field name filtered by specified query.
Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
Params:
collection – the collection
fieldName – the field name
resultClassname – 
query – the query
Returns:
/**
   * Gets the distinct values of the specified field name filtered by specified query.
   * Return a JsonArray containing distinct values (eg: [ 1 , 89 ])
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @param query the query
   * @return 
   */
  public io.reactivex.Single<JsonArray> rxDistinctWithQuery(String collection, String fieldName, String resultClassname, JsonObject query) { 
    return AsyncResultSingle.toSingle($handler -> {
      distinctWithQuery(collection, fieldName, resultClassname, query, $handler);
    });
  }

  
Gets the distinct values of the specified field name.
This method use batchCursor for returning each found value.
Each value is a json fragment with fieldName key (eg: {"num": 1}).
Params:
collection – the collection
fieldName – the field name
resultClassname – 
Returns:
a  emitting json fragments/**
   * Gets the distinct values of the specified field name.
   * This method use batchCursor for returning each found value.
   * Each value is a json fragment with fieldName key (eg: {"num": 1}).
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @return a  emitting json fragments
   */
  public io.vertx.reactivex.core.streams.ReadStream<JsonObject> distinctBatch(String collection, String fieldName, String resultClassname) { 
    io.vertx.reactivex.core.streams.ReadStream<JsonObject> ret = io.vertx.reactivex.core.streams.ReadStream.newInstance((io.vertx.core.streams.ReadStream)delegate.distinctBatch(collection, fieldName, resultClassname), TypeArg.unknown());
    return ret;
  }

  
Gets the distinct values of the specified field name filtered by specified query.
This method use batchCursor for returning each found value.
Each value is a json fragment with fieldName key (eg: {"num": 1}).
Params:
collection – the collection
fieldName – the field name
resultClassname – 
query – the query
Returns:
a  emitting json fragments/**
   * Gets the distinct values of the specified field name filtered by specified query.
   * This method use batchCursor for returning each found value.
   * Each value is a json fragment with fieldName key (eg: {"num": 1}).
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @param query the query
   * @return a  emitting json fragments
   */
  public io.vertx.reactivex.core.streams.ReadStream<JsonObject> distinctBatchWithQuery(String collection, String fieldName, String resultClassname, JsonObject query) { 
    io.vertx.reactivex.core.streams.ReadStream<JsonObject> ret = io.vertx.reactivex.core.streams.ReadStream.newInstance((io.vertx.core.streams.ReadStream)delegate.distinctBatchWithQuery(collection, fieldName, resultClassname, query), TypeArg.unknown());
    return ret;
  }

  
Gets the distinct values of the specified field name filtered by specified query.
This method use batchCursor for returning each found value.
Each value is a json fragment with fieldName key (eg: {"num": 1}).
Params:
collection – the collection
fieldName – the field name
resultClassname – 
query – the query
batchSize – the number of documents to load in a batch
Returns:
a  emitting json fragments/**
   * Gets the distinct values of the specified field name filtered by specified query.
   * This method use batchCursor for returning each found value.
   * Each value is a json fragment with fieldName key (eg: {"num": 1}).
   * @param collection the collection
   * @param fieldName the field name
   * @param resultClassname 
   * @param query the query
   * @param batchSize the number of documents to load in a batch
   * @return a  emitting json fragments
   */
  public io.vertx.reactivex.core.streams.ReadStream<JsonObject> distinctBatchWithQuery(String collection, String fieldName, String resultClassname, JsonObject query, int batchSize) { 
    io.vertx.reactivex.core.streams.ReadStream<JsonObject> ret = io.vertx.reactivex.core.streams.ReadStream.newInstance((io.vertx.core.streams.ReadStream)delegate.distinctBatchWithQuery(collection, fieldName, resultClassname, query, batchSize), TypeArg.unknown());
    return ret;
  }

  
Run aggregate MongoDB command with default AggregateOptions. 
Params:
collection – the collection
pipeline – aggregation pipeline to be executed
Returns:
/**
   * Run aggregate MongoDB command with default {@link io.vertx.ext.mongo.AggregateOptions}.
   * @param collection the collection
   * @param pipeline aggregation pipeline to be executed
   * @return 
   */
  public io.vertx.reactivex.core.streams.ReadStream<JsonObject> aggregate(String collection, JsonArray pipeline) { 
    io.vertx.reactivex.core.streams.ReadStream<JsonObject> ret = io.vertx.reactivex.core.streams.ReadStream.newInstance((io.vertx.core.streams.ReadStream)delegate.aggregate(collection, pipeline), TypeArg.unknown());
    return ret;
  }

  
Run aggregate MongoDB command.
Params:
collection – the collection
pipeline – aggregation pipeline to be executed
options – options to configure the aggregation command
Returns:
/**
   * Run aggregate MongoDB command.
   * @param collection the collection
   * @param pipeline aggregation pipeline to be executed
   * @param options options to configure the aggregation command
   * @return 
   */
  public io.vertx.reactivex.core.streams.ReadStream<JsonObject> aggregateWithOptions(String collection, JsonArray pipeline, io.vertx.ext.mongo.AggregateOptions options) { 
    io.vertx.reactivex.core.streams.ReadStream<JsonObject> ret = io.vertx.reactivex.core.streams.ReadStream.newInstance((io.vertx.core.streams.ReadStream)delegate.aggregateWithOptions(collection, pipeline, options), TypeArg.unknown());
    return ret;
  }

  
Creates a MongoGridFsClient used to interact with Mongo GridFS. 
Params:
resultHandler – the MongoGridFsClient to interact with the bucket named bucketName
Returns:
/**
   * Creates a {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} used to interact with Mongo GridFS.
   * @param resultHandler the {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} to interact with the bucket named bucketName
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createDefaultGridFsBucketService(Handler<AsyncResult<io.vertx.reactivex.ext.mongo.MongoGridFsClient>> resultHandler) { 
    delegate.createDefaultGridFsBucketService(new Handler<AsyncResult<io.vertx.ext.mongo.MongoGridFsClient>>() {
      public void handle(AsyncResult<io.vertx.ext.mongo.MongoGridFsClient> ar) {
        if (ar.succeeded()) {
          resultHandler.handle(io.vertx.core.Future.succeededFuture(io.vertx.reactivex.ext.mongo.MongoGridFsClient.newInstance((io.vertx.ext.mongo.MongoGridFsClient)ar.result())));
        } else {
          resultHandler.handle(io.vertx.core.Future.failedFuture(ar.cause()));
        }
      }
    });
    return this;
  }

  
Creates a MongoGridFsClient used to interact with Mongo GridFS. 
Returns:
/**
   * Creates a {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} used to interact with Mongo GridFS.
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createDefaultGridFsBucketService() {
    return 
createDefaultGridFsBucketService(ar -> { });
  }

  
Creates a MongoGridFsClient used to interact with Mongo GridFS. 
Returns:
/**
   * Creates a {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} used to interact with Mongo GridFS.
   * @return 
   */
  public io.reactivex.Single<io.vertx.reactivex.ext.mongo.MongoGridFsClient> rxCreateDefaultGridFsBucketService() { 
    return AsyncResultSingle.toSingle($handler -> {
      createDefaultGridFsBucketService($handler);
    });
  }

  
Creates a MongoGridFsClient used to interact with Mongo GridFS. 
Params:
bucketName – the name of the GridFS bucket
resultHandler – the MongoGridFsClient to interact with the bucket named bucketName
Returns:
/**
   * Creates a {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} used to interact with Mongo GridFS.
   * @param bucketName the name of the GridFS bucket
   * @param resultHandler the {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} to interact with the bucket named bucketName
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createGridFsBucketService(String bucketName, Handler<AsyncResult<io.vertx.reactivex.ext.mongo.MongoGridFsClient>> resultHandler) { 
    delegate.createGridFsBucketService(bucketName, new Handler<AsyncResult<io.vertx.ext.mongo.MongoGridFsClient>>() {
      public void handle(AsyncResult<io.vertx.ext.mongo.MongoGridFsClient> ar) {
        if (ar.succeeded()) {
          resultHandler.handle(io.vertx.core.Future.succeededFuture(io.vertx.reactivex.ext.mongo.MongoGridFsClient.newInstance((io.vertx.ext.mongo.MongoGridFsClient)ar.result())));
        } else {
          resultHandler.handle(io.vertx.core.Future.failedFuture(ar.cause()));
        }
      }
    });
    return this;
  }

  
Creates a MongoGridFsClient used to interact with Mongo GridFS. 
Params:
bucketName – the name of the GridFS bucket
Returns:
/**
   * Creates a {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} used to interact with Mongo GridFS.
   * @param bucketName the name of the GridFS bucket
   * @return 
   */
  public io.vertx.reactivex.ext.mongo.MongoClient createGridFsBucketService(String bucketName) {
    return 
createGridFsBucketService(bucketName, ar -> { });
  }

  
Creates a MongoGridFsClient used to interact with Mongo GridFS. 
Params:
bucketName – the name of the GridFS bucket
Returns:
/**
   * Creates a {@link io.vertx.reactivex.ext.mongo.MongoGridFsClient} used to interact with Mongo GridFS.
   * @param bucketName the name of the GridFS bucket
   * @return 
   */
  public io.reactivex.Single<io.vertx.reactivex.ext.mongo.MongoGridFsClient> rxCreateGridFsBucketService(String bucketName) { 
    return AsyncResultSingle.toSingle($handler -> {
      createGridFsBucketService(bucketName, $handler);
    });
  }

  
Close the client and release its resources
Params:
handler – /**
   * Close the client and release its resources
   * @param handler 
   */
  public void close(Handler<AsyncResult<Void>> handler) { 
    delegate.close(handler);
  }

  
Close the client and release its resources
/**
   * Close the client and release its resources
   */
  public void close() {
    close(ar -> { });
  }

  
Close the client and release its resources
Returns:
/**
   * Close the client and release its resources
   * @return 
   */
  public io.reactivex.Completable rxClose() { 
    return AsyncResultCompletable.toCompletable($handler -> {
      close($handler);
    });
  }

  
The name of the default pool
/**
   * The name of the default pool
   */
  public static final String DEFAULT_POOL_NAME = io.vertx.ext.mongo.MongoClient.DEFAULT_POOL_NAME;
  
The name of the default database
/**
   * The name of the default database
   */
  public static final String DEFAULT_DB_NAME = io.vertx.ext.mongo.MongoClient.DEFAULT_DB_NAME;
  public static MongoClient newInstance(io.vertx.ext.mongo.MongoClient arg) {
    return arg != null ? new MongoClient(arg) : null;
  }

}