/**
* 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.bundle;
import java.util.Date;
import java.util.List;
import org.apache.oozie.BundleActionBean;
import org.apache.oozie.BundleJobBean;
import org.apache.oozie.ErrorCode;
import org.apache.oozie.XException;
import org.apache.oozie.client.Job;
import org.apache.oozie.command.CommandException;
import org.apache.oozie.command.PreconditionException;
import org.apache.oozie.command.SuspendTransitionXCommand;
import org.apache.oozie.command.coord.CoordSuspendXCommand;
import org.apache.oozie.executor.jpa.BundleActionUpdateJPAExecutor;
import org.apache.oozie.executor.jpa.BundleActionsGetJPAExecutor;
import org.apache.oozie.executor.jpa.BundleJobGetJPAExecutor;
import org.apache.oozie.executor.jpa.BundleJobUpdateJPAExecutor;
import org.apache.oozie.executor.jpa.JPAExecutorException;
import org.apache.oozie.service.JPAService;
import org.apache.oozie.service.Services;
import org.apache.oozie.util.InstrumentUtils;
import org.apache.oozie.util.ParamChecker;
import org.apache.oozie.util.LogUtils;
public class BundleJobSuspendXCommand extends SuspendTransitionXCommand {
private final String jobId;
private JPAService jpaService;
private List<BundleActionBean> bundleActions;
private BundleJobBean bundleJob;
public BundleJobSuspendXCommand(String id) {
super("bundle_suspend", "bundle_suspend", 1);
this.jobId = ParamChecker.notEmpty(id, "id");
}
/* (non-Javadoc)
* @see org.apache.oozie.command.TransitionXCommand#getJob()
*/
@Override
public Job getJob() {
return bundleJob;
}
/* (non-Javadoc)
* @see org.apache.oozie.command.TransitionXCommand#notifyParent()
*/
@Override
public void notifyParent() throws CommandException {
}
/* (non-Javadoc)
* @see org.apache.oozie.command.TransitionXCommand#setJob(org.apache.oozie.client.Job)
*/
@Override
public void setJob(Job job) {
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#getEntityKey()
*/
@Override
protected String getEntityKey() {
return this.jobId;
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#isLockRequired()
*/
@Override
protected boolean isLockRequired() {
return true;
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#loadState()
*/
@Override
protected void loadState() throws CommandException {
jpaService = Services.get().get(JPAService.class);
if (jpaService == null) {
throw new CommandException(ErrorCode.E0610);
}
try {
bundleJob = jpaService.execute(new BundleJobGetJPAExecutor(jobId));
}
catch (Exception Ex) {
throw new CommandException(ErrorCode.E0604, jobId);
}
try {
bundleActions = jpaService.execute(new BundleActionsGetJPAExecutor(jobId));
}
catch (Exception Ex) {
throw new CommandException(ErrorCode.E1311, jobId);
}
LogUtils.setLogInfo(bundleJob, logInfo);
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#verifyPrecondition()
*/
@Override
protected void verifyPrecondition() throws CommandException, PreconditionException {
if (bundleJob.getStatus() == Job.Status.SUCCEEDED || bundleJob.getStatus() == Job.Status.FAILED
|| bundleJob.getStatus() == Job.Status.KILLED) {
LOG.info("BundleJobSuspendXCommand is not going to execute because job finished or failed or killed, id = "
+ jobId + ", status = " + bundleJob.getStatus());
throw new PreconditionException(ErrorCode.E1312, jobId, bundleJob.getStatus().toString());
}
}
/* (non-Javadoc)
* @see org.apache.oozie.command.TransitionXCommand#updateJob()
*/
@Override
public void updateJob() throws CommandException {
InstrumentUtils.incrJobCounter("bundle_suspend", 1, null);
bundleJob.setSuspendedTime(new Date());
bundleJob.setLastModifiedTime(new Date());
LOG.debug("Suspend bundle job id = " + jobId + ", status = " + bundleJob.getStatus() + ", pending = " + bundleJob.isPending());
try {
jpaService.execute(new BundleJobUpdateJPAExecutor(bundleJob));
}
catch (JPAExecutorException e) {
throw new CommandException(e);
}
}
@Override
public void suspendChildren() throws CommandException {
try {
for (BundleActionBean action : this.bundleActions) {
if (action.getStatus() == Job.Status.RUNNING || action.getStatus() == Job.Status.PREP) {
// queue a CoordSuspendXCommand
if (action.getCoordId() != null) {
queue(new CoordSuspendXCommand(action.getCoordId()));
updateBundleAction(action);
LOG.debug("Suspend bundle action = [{0}], new status = [{1}], pending = [{2}] and queue CoordSuspendXCommand for [{3}]",
action.getBundleActionId(), action.getStatus(), action.getPending(), action.getCoordId());
} else {
updateBundleAction(action);
LOG.debug("Suspend bundle action = [{0}], new status = [{1}], pending = [{2}] and coord id is null",
action.getBundleActionId(), action.getStatus(), action.getPending());
}
}
}
LOG.debug("Suspended bundle actions for the bundle=[{0}]", jobId);
}
catch (XException ex) {
throw new CommandException(ex);
}
}
private void updateBundleAction(BundleActionBean action) throws CommandException {
if (action.getStatus() == Job.Status.PREP) {
action.setStatus(Job.Status.PREPSUSPENDED);
}
else if (action.getStatus() == Job.Status.RUNNING) {
action.setStatus(Job.Status.SUSPENDED);
}
action.incrementAndGetPending();
action.setLastModifiedTime(new Date());
try {
jpaService.execute(new BundleActionUpdateJPAExecutor(action));
}
catch (JPAExecutorException e) {
throw new CommandException(e);
}
}
}