Copyright 2015 Netflix, Inc.
Licensed 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.
/**
 * Copyright 2015 Netflix, Inc.
 *
 * Licensed 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 com.netflix.hystrix.collapser;

import java.util.Collection;

import rx.Observable;

import com.netflix.hystrix.HystrixCollapser.CollapsedRequest;
import com.netflix.hystrix.HystrixCollapserKey;

Bridge between HystrixCollapser and RequestCollapser to expose 'protected' and 'private' functionality across packages.
Type parameters:
<BatchReturnType> – 
<ResponseType> – 
<RequestArgumentType> – /**
 * Bridge between HystrixCollapser and RequestCollapser to expose 'protected' and 'private' functionality across packages.
 * 
 * @param <BatchReturnType>
 * @param <ResponseType>
 * @param <RequestArgumentType>
 */
public interface HystrixCollapserBridge<BatchReturnType, ResponseType, RequestArgumentType> {

    Collection<Collection<CollapsedRequest<ResponseType, RequestArgumentType>>> shardRequests(Collection<CollapsedRequest<ResponseType, RequestArgumentType>> requests);

    Observable<BatchReturnType> createObservableCommand(Collection<CollapsedRequest<ResponseType, RequestArgumentType>> requests);

    Observable<Void> mapResponseToRequests(Observable<BatchReturnType> batchResponse, Collection<CollapsedRequest<ResponseType, RequestArgumentType>> requests);

    HystrixCollapserKey getCollapserKey();

}