| /** |
| * 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.hadoop.mapreduce.test.system; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapred.TaskID; |
| import org.apache.hadoop.test.system.ControlAction; |
| |
| /** |
| * Control Action which signals a controlled task to proceed to completion. <br/> |
| */ |
| public class FinishTaskControlAction extends ControlAction<TaskID> { |
| |
| private static final String ENABLE_CONTROLLED_TASK_COMPLETION = |
| "test.system.enabled.task.completion.control"; |
| |
| /** |
| * Create a default control action. <br/> |
| * |
| */ |
| public FinishTaskControlAction() { |
| super(new TaskID()); |
| } |
| |
| /** |
| * Create a control action specific to a particular task. <br/> |
| * |
| * @param id |
| * of the task. |
| */ |
| public FinishTaskControlAction(TaskID id) { |
| super(id); |
| } |
| |
| /** |
| * Sets up the job to be controlled using the finish task control action. |
| * <br/> |
| * |
| * @param conf |
| * configuration to be used submit the job. |
| */ |
| public static void configureControlActionForJob(Configuration conf) { |
| conf.setBoolean(ENABLE_CONTROLLED_TASK_COMPLETION, true); |
| } |
| |
| /** |
| * Checks if the control action is enabled in the passed configuration. <br/> |
| * @param conf configuration |
| * @return true if action is enabled. |
| */ |
| public static boolean isControlActionEnabled(Configuration conf) { |
| return conf.getBoolean(ENABLE_CONTROLLED_TASK_COMPLETION, false); |
| } |
| } |