package io.vertx.ext.mongo.impl;
import com.mongodb.bulk.BulkWriteResult;
import com.mongodb.client.result.DeleteResult;
import com.mongodb.client.result.UpdateResult;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.mongo.MongoClientBulkWriteResult;
import io.vertx.ext.mongo.MongoClientDeleteResult;
import io.vertx.ext.mongo.MongoClientUpdateResult;
import io.vertx.ext.mongo.impl.codec.json.JsonObjectCodec;
import org.bson.BsonDocument;
import org.bson.BsonDocumentReader;
import org.bson.BsonValue;
import org.bson.codecs.DecoderContext;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
class Utils {
static final String ID_FIELD = "_id";
static MongoClientDeleteResult toMongoClientDeleteResult(DeleteResult deleteResult) {
return deleteResult.wasAcknowledged() ? new MongoClientDeleteResult(deleteResult.getDeletedCount()) : null;
}
static MongoClientUpdateResult toMongoClientUpdateResult(UpdateResult updateResult) {
return updateResult.wasAcknowledged() ? new MongoClientUpdateResult(updateResult.getMatchedCount(), convertUpsertId(updateResult.getUpsertedId()), updateResult.getModifiedCount()) : null;
}
static MongoClientBulkWriteResult toMongoClientBulkWriteResult(BulkWriteResult bulkWriteResult) {
if (!bulkWriteResult.wasAcknowledged()) {
return null;
}
List<JsonObject> upsertResult = bulkWriteResult.getUpserts().stream().map(upsert -> {
JsonObject upsertValue = convertUpsertId(upsert.getId());
upsertValue.put(MongoClientBulkWriteResult.INDEX, upsert.getIndex());
return upsertValue;
}).collect(Collectors.toList());
return new MongoClientBulkWriteResult(
bulkWriteResult.getInsertedCount(),
bulkWriteResult.getMatchedCount(),
bulkWriteResult.getDeletedCount(),
bulkWriteResult.getModifiedCount(),
upsertResult
);
}
private static JsonObject convertUpsertId(BsonValue upsertId) {
JsonObject jsonUpsertId;
if (upsertId != null) {
JsonObjectCodec jsonObjectCodec = new JsonObjectCodec(new JsonObject());
BsonDocument upsertIdDocument = new BsonDocument();
upsertIdDocument.append(ID_FIELD, upsertId);
BsonDocumentReader bsonDocumentReader = new BsonDocumentReader(upsertIdDocument);
jsonUpsertId = jsonObjectCodec.decode(bsonDocumentReader, DecoderContext.builder().build());
} else {
jsonUpsertId = null;
}
return jsonUpsertId;
}
static <T> void setHandler(Future<T> future, Handler<AsyncResult<T>> handler) {
Objects.requireNonNull(future, "future must not be null");
if (handler != null) {
future.onComplete(handler);
}
}
private Utils() {
}
}