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fd10e5112f
122472 dhulley: Increase the TTL for the property value cleaner to 1 hour (ACE-5153)
- Simplify the lock code because it's not iterative i.e. just lock and unlock
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@123666 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
100 lines
3.2 KiB
Java
100 lines
3.2 KiB
Java
/*
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* Copyright (C) 2005-2015 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.repo.attributes;
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import org.alfresco.repo.domain.propval.PropertyValueDAO;
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import org.alfresco.repo.lock.JobLockService;
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import org.alfresco.repo.lock.LockAcquisitionException;
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import org.alfresco.service.namespace.NamespaceService;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.util.PropertyCheck;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Cleaner of unused values from the alf_prop_xxx tables.
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*
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* @author alex.mukha
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*/
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public class PropTablesCleaner
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{
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private PropertyValueDAO propertyValueDAO;
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private JobLockService jobLockService;
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/* 1 minute */
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private static final long LOCK_TTL = 360000L;
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private static final QName LOCK_QNAME = QName.createQName(NamespaceService.SYSTEM_MODEL_1_0_URI, PropTablesCleaner.class.getName());
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private static Log logger = LogFactory.getLog(PropTablesCleaner.class);
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public void setPropertyValueDAO(PropertyValueDAO propertyValueDAO)
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{
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this.propertyValueDAO = propertyValueDAO;
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}
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public void setJobLockService(JobLockService jobLockService)
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{
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this.jobLockService = jobLockService;
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}
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public void checkProperties()
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{
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PropertyCheck.mandatory(this, "jobLockService", jobLockService);
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PropertyCheck.mandatory(this, "propertyValueDAO", propertyValueDAO);
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}
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/**
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* Get {@link #LOCK_QNAME a lock} for {@link #LOCK_TTL a long-running job} and {@link PropertyValueDAO#cleanupUnusedValues() call through}
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* to get the unused data cleaned up.
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*/
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public void execute()
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{
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checkProperties();
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String lockToken = null;
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try
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{
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// Get a lock
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lockToken = jobLockService.getLock(LOCK_QNAME, LOCK_TTL);
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propertyValueDAO.cleanupUnusedValues();
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}
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catch (LockAcquisitionException e)
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{
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if (logger.isDebugEnabled())
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{
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logger.debug("Skipping prop tables cleaning (could not get lock): " + e.getMessage());
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}
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}
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finally
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{
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if (lockToken != null)
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{
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try
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{
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jobLockService.releaseLock(lockToken, LOCK_QNAME);
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}
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catch (LockAcquisitionException e)
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{
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// Ignore
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}
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}
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}
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}
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}
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