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/*
* Copyright 2013 the original author or authors.
*
* 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 org.springframework.yarn.am;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
/**
* Interface for appmaster to resource manager communication.
*
* @author Janne Valkealahti
* @see org.springframework.yarn.am.AppmasterRmTemplate
* @see org.apache.hadoop.yarn.api.ApplicationMasterProtocol
*
*/
public interface AppmasterRmOperations {
/**
* Register application master.
*
* @param host the host
* @param rpcPort the rpc port
* @param trackUrl the track url
* @return the {@link RegisterApplicationMasterResponse}
*/
RegisterApplicationMasterResponse registerApplicationMaster(String host, Integer rpcPort, String trackUrl);
/**
* Allocate container.
*
* @param request the request
* @return the allocate response
*/
AllocateResponse allocate(AllocateRequest request);
/**
* Finish the application master.
*
* @param request the {@link FinishApplicationMasterRequest}
* @return the {@link FinishApplicationMasterResponse}
*/
FinishApplicationMasterResponse finish(FinishApplicationMasterRequest request);
}