| /** |
| * 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.v2.hs.webapp; |
| |
| import static org.apache.hadoop.mapreduce.v2.app.webapp.AMParams.ATTEMPT_STATE; |
| import static org.apache.hadoop.mapreduce.v2.app.webapp.AMParams.TASK_TYPE; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskId; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskType; |
| import org.apache.hadoop.mapreduce.v2.app.job.Job; |
| import org.apache.hadoop.mapreduce.v2.app.job.Task; |
| import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt; |
| import org.apache.hadoop.mapreduce.v2.app.webapp.App; |
| import org.apache.hadoop.mapreduce.v2.app.webapp.dao.TaskAttemptInfo; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps.TaskAttemptStateUI; |
| import org.apache.hadoop.yarn.webapp.SubView; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * Render a page showing the attempts made of a given type and a given job. |
| */ |
| public class HsAttemptsPage extends HsTaskPage { |
| static class FewAttemptsBlock extends HsTaskPage.AttemptsBlock { |
| @Inject |
| FewAttemptsBlock(App ctx) { |
| super(ctx); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.apache.hadoop.mapreduce.v2.hs.webapp.HsTaskPage.AttemptsBlock#isValidRequest() |
| * Verify that a job is given. |
| */ |
| @Override |
| protected boolean isValidRequest() { |
| return app.getJob() != null; |
| } |
| |
| @Override |
| protected String getAttemptId(TaskId taskId, TaskAttemptInfo ta) { |
| return "<a href='" + url("task", taskId.toString()) + |
| "'>" + ta.getId() + "</a>"; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.apache.hadoop.mapreduce.v2.hs.webapp.HsTaskPage.AttemptsBlock#getTaskAttempts() |
| * @return the attempts that are for a given job and a specific type/state. |
| */ |
| @Override |
| protected Collection<TaskAttempt> getTaskAttempts() { |
| List<TaskAttempt> fewTaskAttemps = new ArrayList<TaskAttempt>(); |
| String taskTypeStr = $(TASK_TYPE); |
| TaskType taskType = MRApps.taskType(taskTypeStr); |
| String attemptStateStr = $(ATTEMPT_STATE); |
| TaskAttemptStateUI neededState = MRApps |
| .taskAttemptState(attemptStateStr); |
| Job j = app.getJob(); |
| Map<TaskId, Task> tasks = j.getTasks(taskType); |
| for (Task task : tasks.values()) { |
| Map<TaskAttemptId, TaskAttempt> attempts = task.getAttempts(); |
| for (TaskAttempt attempt : attempts.values()) { |
| if (neededState.correspondsTo(attempt.getState())) { |
| fewTaskAttemps.add(attempt); |
| } |
| } |
| } |
| return fewTaskAttemps; |
| } |
| } |
| |
| /** |
| * The content will render a different set of task attempts. |
| * @return FewAttemptsBlock.class |
| */ |
| @Override |
| protected Class<? extends SubView> content() { |
| return FewAttemptsBlock.class; |
| } |
| } |