| /* |
| * 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.core.launch; |
| |
| import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ApplicationReport; |
| import org.apache.hadoop.yarn.api.records.YarnApplicationState; |
| import org.apache.hadoop.yarn.exceptions.YarnException; |
| import org.apache.slider.client.SliderYarnClientImpl; |
| import org.apache.slider.common.tools.Duration; |
| |
| import java.io.IOException; |
| |
| /** |
| * Launched App with logic around it. |
| */ |
| public class LaunchedApplication { |
| |
| protected final ApplicationId applicationId; |
| protected final SliderYarnClientImpl yarnClient; |
| |
| public LaunchedApplication(ApplicationId applicationId, |
| SliderYarnClientImpl yarnClient) { |
| assert applicationId != null; |
| assert yarnClient != null; |
| this.applicationId = applicationId; |
| this.yarnClient = yarnClient; |
| } |
| |
| public LaunchedApplication(SliderYarnClientImpl yarnClient, |
| ApplicationReport report) { |
| this.yarnClient = yarnClient; |
| this.applicationId = report.getApplicationId(); |
| } |
| |
| public ApplicationId getApplicationId() { |
| return applicationId; |
| } |
| |
| /** |
| * Monitor the submitted application for reaching the requested state. |
| * Will also report if the app reaches a later state (failed, killed, etc) |
| * Kill application if duration!= null & time expires. |
| * @param duration how long to wait -must be more than 0 |
| * @param desiredState desired state. |
| * @return the application report -null on a timeout |
| * @throws YarnException |
| * @throws IOException |
| */ |
| public ApplicationReport monitorAppToState(YarnApplicationState desiredState, Duration duration) |
| throws YarnException, IOException { |
| return yarnClient.monitorAppToState(applicationId, desiredState, duration); |
| } |
| |
| /** |
| * Kill the submitted application by sending a call to the ASM |
| * @throws YarnException |
| * @throws IOException |
| */ |
| public boolean forceKill(String reason) |
| throws YarnException, IOException { |
| if (applicationId != null) { |
| yarnClient.killRunningApplication(applicationId, reason); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Kill the application |
| * @return the response |
| * @throws YarnException YARN problems |
| * @throws IOException IO problems |
| */ |
| public KillApplicationResponse kill(String reason) throws |
| YarnException, |
| IOException { |
| return yarnClient.killRunningApplication(applicationId, reason); |
| } |
| |
| /** |
| * Get the application report of this application |
| * @return an application report |
| * @throws YarnException |
| * @throws IOException |
| */ |
| public ApplicationReport getApplicationReport() |
| throws YarnException, IOException { |
| return yarnClient.getApplicationReport(applicationId); |
| } |
| } |