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Merged 5.0.N (5.0.4) to 5.1.N (5.1.1)

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119576 adavis: Merged 5.0.3 (5.0.3) to 5.0.N (5.0.4)
      119521 amukha: Merged 5.0.3-MNT-15258 (5.0.3) to 5.0.3 (5.0.3)
         118559 amukha: MNT-15258: Huge database after upgrade to 5.1.c
            - Added usage of JobLockService for prop cleanup job.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.1.N/root@119609 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Ancuta Morarasu
2015-12-04 08:58:36 +00:00
parent 2021c3b0ec
commit 38ab389189
5 changed files with 167 additions and 25 deletions
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136
source/java/org/alfresco/repo/attributes/PropTablesCleaner.java Normal file
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@@ -0,0 +1,136 @@
/*
* Copyright (C) 2005-2015 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.attributes;
import org.alfresco.repo.domain.propval.PropertyValueDAO;
import org.alfresco.repo.lock.JobLockService;
import org.alfresco.repo.lock.LockAcquisitionException;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.Pair;
import org.alfresco.util.PropertyCheck;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Cleaner of unused values from the alf_prop_xxx tables.
*
* @author alex.mukha
*/
public class PropTablesCleaner
{
private PropertyValueDAO propertyValueDAO;
private JobLockService jobLockService;
/* 1 minute */
private static final long LOCK_TTL = 60000L;
private static final QName LOCK_QNAME = QName.createQName(NamespaceService.SYSTEM_MODEL_1_0_URI, PropTablesCleaner.class.getName());
private static ThreadLocal<Pair<Long, String>> lockThreadLocal = new ThreadLocal<Pair<Long, String>>();
private static Log logger = LogFactory.getLog(PropTablesCleaner.class);
public void checkProperties()
{
PropertyCheck.mandatory(this, "jobLockService", jobLockService);
PropertyCheck.mandatory(this, "propertyValueDAO", propertyValueDAO);
}
public void setPropertyValueDAO(PropertyValueDAO propertyValueDAO)
{
this.propertyValueDAO = propertyValueDAO;
}
public void setJobLockService(JobLockService jobLockService)
{
this.jobLockService = jobLockService;
}
/**
* Lazily update the job lock
*/
private void refreshLock()
{
Pair<Long, String> lockPair = lockThreadLocal.get();
if (lockPair == null)
{
String lockToken = jobLockService.getLock(LOCK_QNAME, LOCK_TTL);
Long lastLock = new Long(System.currentTimeMillis());
// We have not locked before
lockPair = new Pair<Long, String>(lastLock, lockToken);
lockThreadLocal.set(lockPair);
}
else
{
long now = System.currentTimeMillis();
long lastLock = lockPair.getFirst().longValue();
String lockToken = lockPair.getSecond();
// Only refresh the lock if we are past a threshold
if (now - lastLock > (long)(LOCK_TTL/2L))
{
jobLockService.refreshLock(lockToken, LOCK_QNAME, LOCK_TTL);
lastLock = System.currentTimeMillis();
lockPair = new Pair<Long, String>(lastLock, lockToken);
lockThreadLocal.set(lockPair);
}
}
}
/**
* Release the lock after the job completes
*/
private void releaseLock()
{
Pair<Long, String> lockPair = lockThreadLocal.get();
if (lockPair != null)
{
// We can't release without a token
try
{
jobLockService.releaseLock(lockPair.getSecond(), LOCK_QNAME);
}
finally
{
// Reset
lockThreadLocal.set(null);
}
}
// else: We can't release without a token
}
public void execute()
{
checkProperties();
try
{
refreshLock();
propertyValueDAO.cleanupUnusedValues();
}
catch (LockAcquisitionException e)
{
if (logger.isDebugEnabled())
{
logger.debug("Skipping prop tables cleaning. " + e.getMessage());
}
}
finally
{
releaseLock();
}
}
}

19
source/java/org/alfresco/repo/attributes/PropTablesCleanupJob.java
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@@ -18,7 +18,10 @@
*/
package org.alfresco.repo.attributes;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.repo.domain.propval.PropertyValueDAO;
import org.alfresco.repo.lock.JobLockService;
import org.alfresco.repo.lock.LockAcquisitionException;
import org.quartz.Job;
import org.quartz.JobDataMap;
import org.quartz.JobExecutionContext;
@@ -31,19 +34,19 @@ import org.quartz.JobExecutionException;
*/
public class PropTablesCleanupJob implements Job
{
protected static final Object PROPERTY_VALUE_DAO_KEY = "propertyValueDAO";
@Override
public void execute(JobExecutionContext jobCtx) throws JobExecutionException
{
JobDataMap jobData = jobCtx.getJobDetail().getJobDataMap();
PropertyValueDAO propertyValueDAO = (PropertyValueDAO) jobData.get(PROPERTY_VALUE_DAO_KEY);
if (propertyValueDAO == null)
// extract the feed cleaner to use
Object cleanerObj = jobData.get("propTablesCleaner");
if (cleanerObj == null || !(cleanerObj instanceof PropTablesCleaner))
{
throw new IllegalArgumentException(PROPERTY_VALUE_DAO_KEY + " in job data map was null");
throw new AlfrescoRuntimeException(
"PropTablesCleanupJob data must contain valid 'PropTablesCleaner' reference");
}
propertyValueDAO.cleanupUnusedValues();
PropTablesCleaner cleaner = (PropTablesCleaner) cleanerObj;
cleaner.execute();
}
}