| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.slider.server.appmaster.operations; |
| |
| import org.apache.hadoop.yarn.api.records.Priority; |
| import org.apache.slider.server.appmaster.state.ContainerPriority; |
| |
| /** |
| * Cancel a container request |
| */ |
| public class CancelRequestOperation extends AbstractRMOperation { |
| |
| private final Priority priority1; |
| private final Priority priority2; |
| private final int count; |
| |
| public CancelRequestOperation(Priority priority1, Priority priority2, int count) { |
| this.priority1 = priority1; |
| this.priority2 = priority2; |
| this.count = count; |
| } |
| |
| @Override |
| public void execute(RMOperationHandler handler) { |
| handler.cancelContainerRequests(priority1, priority2, count); |
| } |
| |
| @Override |
| public String toString() { |
| return "release " + count |
| + " requests for " + ContainerPriority.toString(priority1) |
| + " and " + ContainerPriority.toString(priority2); |
| } |
| |
| /** |
| * Get the number to release |
| * @return the number of containers to release |
| */ |
| public int getCount() { |
| return count; |
| } |
| } |