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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.
/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.search.solr.spellchecking;
import org.opencms.configuration.CmsConfigurationManager;
import org.opencms.db.CmsPublishList;
import org.opencms.file.CmsObject;
import org.opencms.main.CmsEvent;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import org.opencms.module.CmsModule;
import org.opencms.module.I_CmsModuleAction;
import org.opencms.report.I_CmsReport;
import org.apache.commons.logging.Log;
/**
* ModuleAction implementation for the spellchecking component that waits with indexing
* operations until runlevel 4 has been reached.
*/
public final class CmsSpellcheckingModuleAction implements I_CmsModuleAction {
/** The log object for this class. */
static final Log LOG = CmsLog.getLog(CmsSpellcheckingModuleAction.class);
/** The indexing thread. */
private Thread m_indexingThread;
/**
* @see org.opencms.main.I_CmsEventListener#cmsEvent(org.opencms.main.CmsEvent)
*/
public void cmsEvent(CmsEvent event) {
// Ignore
}
/**
* @see org.opencms.module.I_CmsModuleAction#initialize(org.opencms.file.CmsObject, org.opencms.configuration.CmsConfigurationManager, org.opencms.module.CmsModule)
*/
public void initialize(
final CmsObject adminCms,
final CmsConfigurationManager configurationManager,
final CmsModule module) {
final Runnable r = new Runnable() {
public void run() {
// Although discouraged, use polling to make sure the indexing process does not start
// before OpenCms has reached runlevel 4
while (OpenCms.getRunLevel() == OpenCms.RUNLEVEL_2_INITIALIZING) {
try {
// Repeat check every five seconds
Thread.sleep(5 * 1000);
} catch (InterruptedException e) {
LOG.warn(e.getLocalizedMessage(), e);
// maybe OpenCms is being shutdown, just return
return;
}
}
// Check whether indexing is needed if not running the shell
if ((OpenCms.getRunLevel() == OpenCms.RUNLEVEL_4_SERVLET_ACCESS)
&& CmsSpellcheckDictionaryIndexer.updatingIndexNecessesary(adminCms)) {
CmsSolrSpellchecker spellchecker = OpenCms.getSearchManager().getSolrDictionary(adminCms);
if (spellchecker != null) {
spellchecker.parseAndAddDictionaries(adminCms);
}
}
}
};
m_indexingThread = new Thread(r, "CmsSpellcheckingModuleIndexingThread");
m_indexingThread.start();
}
/**
* @see org.opencms.module.I_CmsModuleAction#moduleUninstall(org.opencms.module.CmsModule)
*/
public void moduleUninstall(CmsModule module) {
shutDown(module);
}
/**
* @see org.opencms.module.I_CmsModuleAction#moduleUpdate(org.opencms.module.CmsModule)
*/
public void moduleUpdate(CmsModule module) {
// Ignore
}
/**
* @see org.opencms.module.I_CmsModuleAction#publishProject(org.opencms.file.CmsObject, org.opencms.db.CmsPublishList, int, org.opencms.report.I_CmsReport)
*/
public void publishProject(CmsObject cms, CmsPublishList publishList, int publishTag, I_CmsReport report) {
// Ignore
}
/**
* @see org.opencms.module.I_CmsModuleAction#shutDown(org.opencms.module.CmsModule)
*/
public void shutDown(CmsModule module) {
if ((m_indexingThread != null) && m_indexingThread.isAlive()) {
try {
m_indexingThread.interrupt();
m_indexingThread.join(10 * 1000);
} catch (Exception e) {
LOG.warn("Exception while shutting down spellcheck indexing thread.", e);
}
}
m_indexingThread = null;
}
}
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