001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.apache.oozie.command.coord;
019
020 import org.apache.oozie.client.CoordinatorJob;
021 import org.apache.oozie.CoordinatorActionBean;
022 import org.apache.oozie.CoordinatorJobBean;
023 import org.apache.oozie.XException;
024 import org.apache.oozie.command.CommandException;
025 import org.apache.oozie.store.CoordinatorStore;
026 import org.apache.oozie.store.StoreException;
027 import org.apache.oozie.util.ParamChecker;
028 import org.apache.oozie.util.XLog;
029
030 import org.apache.oozie.command.wf.ResumeCommand;
031
032 import java.util.Date;
033 import java.util.List;
034
035 public class CoordResumeCommand extends CoordinatorCommand<Void> {
036
037 private String jobId;
038 private final XLog log = XLog.getLog(getClass());
039
040 public CoordResumeCommand(String id) {
041 super("coord_resume", "coord_resume", 1, XLog.STD);
042 this.jobId = ParamChecker.notEmpty(id, "id");
043 }
044
045 protected Void call(CoordinatorStore store) throws StoreException, CommandException {
046 try {
047 // CoordinatorJobBean coordJob = store.getCoordinatorJob(jobId,
048 // false);
049 CoordinatorJobBean coordJob = store.getEntityManager().find(CoordinatorJobBean.class, jobId);
050 setLogInfo(coordJob);
051 if (coordJob.getStatus() == CoordinatorJob.Status.SUSPENDED) {
052 incrJobCounter(1);
053 coordJob.setStatus(CoordinatorJob.Status.PREP);
054 List<CoordinatorActionBean> actionList = store.getActionsForCoordinatorJob(jobId, false);
055 for (CoordinatorActionBean action : actionList) {
056 // queue a ResumeCommand
057 if (action.getExternalId() != null) {
058 queueCallable(new ResumeCommand(action.getExternalId()));
059 }
060 }
061 store.updateCoordinatorJob(coordJob);
062 }
063 // TODO queueCallable(new NotificationCommand(coordJob));
064 else {
065 log.info("CoordResumeCommand not Resumed - " + "job not in SUSPENDED state " + jobId);
066 }
067 return null;
068 }
069 catch (XException ex) {
070 throw new CommandException(ex);
071 }
072 }
073
074 @Override
075 protected Void execute(CoordinatorStore store) throws StoreException, CommandException {
076 log.info("STARTED CoordResumeCommand for jobId=" + jobId);
077 try {
078 if (lock(jobId)) {
079 call(store);
080 }
081 else {
082 queueCallable(new CoordResumeCommand(jobId), LOCK_FAILURE_REQUEUE_INTERVAL);
083 log.warn("CoordResumeCommand lock was not acquired - " + " failed " + jobId + ". Requeing the same.");
084 }
085 }
086 catch (InterruptedException e) {
087 queueCallable(new CoordResumeCommand(jobId), LOCK_FAILURE_REQUEUE_INTERVAL);
088 log.warn("CoordResumeCommand lock acquiring failed " + " with exception " + e.getMessage() + " for job id "
089 + jobId + ". Requeing the same.");
090 }
091 finally {
092 log.info("ENDED CoordResumeCommand for jobId=" + jobId);
093 }
094 return null;
095 }
096
097 }