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Micro Distribution of the Payara Project for IBM JDK
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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package com.sun.enterprise.v3.admin;
import com.sun.appserv.server.util.Version;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.ManagedJobConfig;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.glassfish.api.StartupRunLevel;
import org.glassfish.api.admin.progress.JobInfo;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.runlevel.RunLevel;
import org.glassfish.kernel.KernelLoggerInfo;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.Changed;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.ConfigListener;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.NotProcessed;
import org.jvnet.hk2.config.ObservableBean;
import org.jvnet.hk2.config.UnprocessedChangeEvents;
import javax.inject.Inject;
import java.beans.PropertyChangeEvent;
import java.io.File;
import java.util.*;
import java.util.concurrent.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.api.admin.ProcessEnvironment;
/**
*
* This is an hk2 service which will clear all expired and inactive jobs
* @author Bhakti Mehta
*/
@Service(name="job-cleanup")
@RunLevel(value= StartupRunLevel.VAL)
public class JobCleanUpService implements PostConstruct,ConfigListener {
@Inject
JobManagerService jobManagerService;
@Inject
Domain domain;
@Inject
private ProcessEnvironment processEnv;
private ManagedJobConfig managedJobConfig;
private final static Logger logger = KernelLoggerInfo.getLogger();
private ScheduledExecutorService scheduler;
private static final LocalStringManagerImpl adminStrings =
new LocalStringManagerImpl(JobCleanUpService.class);
@Override
public void postConstruct() {
logger.log(Level.FINE,KernelLoggerInfo.initializingJobCleanup);
scheduler = Executors.newScheduledThreadPool(10, new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread result = new Thread(r);
result.setDaemon(true);
return result;
}
});
if (Version.getFullVersion().contains("Micro")) {
//if Micro we don't have any jobs to cleanup
return;
}
managedJobConfig = domain.getExtensionByType(ManagedJobConfig.class);
ObservableBean bean = (ObservableBean) ConfigSupport.getImpl(managedJobConfig);
logger.fine(KernelLoggerInfo.initializingManagedConfigBean);
bean.addListener(this);
scheduleCleanUp();
}
/**
* This will schedule a cleanup of expired jobs based on configurable values
*/
private void scheduleCleanUp() {
if (managedJobConfig == null) {
managedJobConfig = domain.getExtensionByType(ManagedJobConfig.class);
ObservableBean bean = (ObservableBean) ConfigSupport.getImpl(managedJobConfig);
logger.fine(KernelLoggerInfo.initializingManagedConfigBean);
bean.addListener(this);
}
logger.fine(KernelLoggerInfo.schedulingCleanup);
//default values to 20 minutes for delayBetweenRuns and initialDelay
long delayBetweenRuns = 1200000;
long initialDelay = 1200000;
delayBetweenRuns = jobManagerService.convert(managedJobConfig.getPollInterval());
initialDelay = jobManagerService.convert(managedJobConfig.getInitialDelay());
ScheduledFuture cleanupFuture = scheduler.scheduleAtFixedRate(new JobCleanUpTask(),initialDelay,delayBetweenRuns,TimeUnit.MILLISECONDS);
}
/**
* This method is notified for any changes in job-inactivity-limit or
* job-retention-period or persist, initial-delay or poll-interval option in
* ManagedJobConfig. Any change results
* in the job cleanup service to change the behaviour
* being updated.
* @param events the configuration change events.
* @return the unprocessed change events.
*/
@Override
public UnprocessedChangeEvents changed(PropertyChangeEvent[] events) {
return ConfigSupport.sortAndDispatch(events, new PropertyChangeHandler(), logger);
}
private final class JobCleanUpTask implements Runnable {
public void run() {
try {
//This can have data when server starts up initially or as jobs complete
ConcurrentHashMap completedJobsMap = jobManagerService.getCompletedJobsInfo();
Iterator completedJobs = new HashSet(completedJobsMap.values()).iterator();
while (completedJobs.hasNext() ) {
CompletedJob completedJob = completedJobs.next();
logger.log(Level.FINE,KernelLoggerInfo.cleaningJob, new Object[]{completedJob.getId()});
cleanUpExpiredJobs(completedJob.getJobsFile());
}
} catch (Exception e ) {
throw new RuntimeException(KernelLoggerInfo.exceptionCleaningJobs,e);
}
}
}
/**
* This will periodically purge expired jobs
*/
private void cleanUpExpiredJobs(File file) {
ArrayList expiredJobs = jobManagerService.getExpiredJobs(file);
if (expiredJobs.size() > 0 ) {
for (JobInfo job: expiredJobs) {
//remove from Job registy
jobManagerService.purgeJob(job.jobId);
//remove from jobs.xml file
jobManagerService.purgeCompletedJobForId(job.jobId,file);
//remove from local cache for completed jobs
jobManagerService.removeFromCompletedJobs(job.jobId);
if(logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE,KernelLoggerInfo.cleaningJob, job.jobId);
}
}
}
}
class PropertyChangeHandler implements Changed {
@Override
public NotProcessed changed(TYPE type, Class changedType, T changedInstance) {
NotProcessed np = null;
switch (type) {
case CHANGE:
if(logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, KernelLoggerInfo.changeManagedJobConfig, new Object[]{
changedType.getName()
,changedInstance.toString()});
}
np = handleChangeEvent(changedInstance);
break;
default:
}
return np;
}
private NotProcessed handleChangeEvent(T instance) {
scheduleCleanUp();
return null;
}
}
}
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