/**
* Copyright (c) 2010 Yahoo! Inc. All rights reserved.
* Licensed 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. See accompanying LICENSE file.
*/
package org.apache.oozie.command.coord;
import org.apache.oozie.client.CoordinatorJob;
import org.apache.oozie.CoordinatorActionBean;
import org.apache.oozie.CoordinatorJobBean;
import org.apache.oozie.XException;
import org.apache.oozie.command.wf.KillCommand;
import org.apache.oozie.command.CommandException;
import org.apache.oozie.store.CoordinatorStore;
import org.apache.oozie.store.StoreException;
import org.apache.oozie.util.ParamChecker;
import org.apache.oozie.util.XLog;
import java.util.Date;
import java.util.List;
public class CoordKillCommand extends CoordinatorCommand<Void> {
private String jobId;
private final XLog log = XLog.getLog(getClass());
public CoordKillCommand(String id) {
super("coord_kill", "coord_kill", 1, XLog.STD);
this.jobId = ParamChecker.notEmpty(id, "id");
}
protected Void call(CoordinatorStore store) throws StoreException, CommandException {
try {
// CoordinatorJobBean coordJob = store.getCoordinatorJob(jobId,
// false);
CoordinatorJobBean coordJob = store.getEntityManager().find(CoordinatorJobBean.class, jobId);
setLogInfo(coordJob);
if (coordJob.getStatus() != CoordinatorJob.Status.SUCCEEDED
|| coordJob.getStatus() != CoordinatorJob.Status.FAILED) {
coordJob.setEndTime(new Date());
incrJobCounter(1);
coordJob.setStatus(CoordinatorJob.Status.KILLED);
List<CoordinatorActionBean> actionList = store.getActionsForCoordinatorJob(jobId, false);
for (CoordinatorActionBean action : actionList) {
if (action.getStatus() != CoordinatorActionBean.Status.FAILED
&& action.getStatus() != CoordinatorActionBean.Status.TIMEDOUT
&& action.getStatus() != CoordinatorActionBean.Status.SUCCEEDED
&& action.getStatus() != CoordinatorActionBean.Status.KILLED) {
// queue a KillCommand to delete the workflow job
if (action.getExternalId() != null) {
queueCallable(new KillCommand(action.getExternalId()));
}
action.setStatus(CoordinatorActionBean.Status.KILLED);
store.updateCoordinatorAction(action);
}
}
store.updateCoordinatorJob(coordJob);
// TODO queueCallable(new NotificationCommand(coordJob));
}
else {
log.info("CoordKillCommand not killed - job either " + "finished successfully or does not exist "
+ jobId);
}
return null;
}
catch (XException ex) {
throw new CommandException(ex);
}
}
@Override
protected Void execute(CoordinatorStore store) throws StoreException, CommandException {
log.info("STARTED CoordKillCommand for jobId=" + jobId);
try {
if (lock(jobId)) {
call(store);
}
else {
queueCallable(new CoordKillCommand(jobId), LOCK_FAILURE_REQUEUE_INTERVAL);
log.warn("CoordKillCommand lock was not acquired - " + " failed " + jobId + ". Requeing the same.");
}
}
catch (InterruptedException e) {
queueCallable(new CoordKillCommand(jobId), LOCK_FAILURE_REQUEUE_INTERVAL);
log.warn("CoordKillCommand lock acquiring failed " + " with exception " + e.getMessage() + " for job id "
+ jobId + ". Requeing the same.");
}
finally {
log.info("ENDED CoordKillCommand for jobId=" + jobId);
}
return null;
}
}