001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019 package org.apache.hadoop.yarn.api.protocolrecords; 020 021 import org.apache.hadoop.classification.InterfaceAudience.Public; 022 import org.apache.hadoop.classification.InterfaceStability.Stable; 023 import org.apache.hadoop.yarn.api.ContainerManager; 024 import org.apache.hadoop.yarn.api.records.ContainerId; 025 import org.apache.hadoop.yarn.api.records.ContainerStatus; 026 027 /** 028 * <p>The request sent by the <code>ApplicationMaster</code> to the 029 * <code>NodeManager</code> to get {@link ContainerStatus} of a container.</p> 030 * 031 * @see ContainerManager#getContainerStatus(GetContainerStatusRequest) 032 */ 033 @Public 034 @Stable 035 public interface GetContainerStatusRequest { 036 /** 037 * Get the <code>ContainerId</code> of container for which to obtain the 038 * <code>ContainerStatus</code>. 039 * @return <code>ContainerId</code> of container for which to obtain the 040 * <code>ContainerStatus</code> 041 */ 042 @Public 043 @Stable 044 public abstract ContainerId getContainerId(); 045 046 /** 047 * Set the <code>ContainerId</code> of container for which to obtain the 048 * <code>ContainerStatus</code> 049 * @param containerId <code>ContainerId</code> of container for which to 050 * obtain the <code>ContainerStatus</code> 051 */ 052 @Public 053 @Stable 054 public abstract void setContainerId(ContainerId containerId); 055 }