1 /** 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.hadoop.yarn.server.resourcemanager.scheduler; 20 21 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; 22 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer; 23 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent; 24 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType; 25 26 /** 27 * Simple event class used to communicate containers unreservations, preemption, killing 28 */ 29 public class ContainerPreemptEvent extends SchedulerEvent { 30 31 private final ApplicationAttemptId aid; 32 private final RMContainer container; 33 ContainerPreemptEvent(ApplicationAttemptId aid, RMContainer container, SchedulerEventType type)34 public ContainerPreemptEvent(ApplicationAttemptId aid, RMContainer container, 35 SchedulerEventType type) { 36 super(type); 37 this.aid = aid; 38 this.container = container; 39 } 40 getContainer()41 public RMContainer getContainer(){ 42 return this.container; 43 } 44 getAppId()45 public ApplicationAttemptId getAppId() { 46 return aid; 47 } 48 49 @Override toString()50 public String toString() { 51 StringBuilder sb = new StringBuilder(super.toString()); 52 sb.append(" ").append(getAppId()); 53 sb.append(" ").append(getContainer().getContainerId()); 54 return sb.toString(); 55 } 56 57 } 58