Java tutorial
/** * Copyright (c) 2000-2005 Liferay, LLC. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.liferay.portal.util; import java.io.IOException; import java.util.Iterator; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.lucene.index.IndexWriter; import com.dotmarketing.util.Logger; import com.liferay.portal.ejb.PortletManagerUtil; import com.liferay.portal.model.Portlet; import com.liferay.util.FileUtil; import com.liferay.util.InstancePool; import com.liferay.util.Time; import com.liferay.util.lucene.Indexer; /** * <a href="LuceneIndexer.java.html"><b><i>View Source</i></b></a> * * @author Brian Wing Shun Chan * @version $Revision: 1.3 $ * */ public class LuceneIndexer implements Runnable { public LuceneIndexer(String companyId) { _companyId = companyId; } public void halt() { _halt = true; } public boolean isFinished() { return _finished; } public void run() { reIndex(); } public void reIndex() { _log.info("Re-indexing Lucene started"); long start = System.currentTimeMillis(); String luceneDir = LuceneUtil.getLuceneDir(_companyId); FileUtil.deltree(luceneDir); try { IndexWriter writer = LuceneUtil.getWriter(_companyId, true); writer.close(); } catch (IOException ioe) { Logger.error(LuceneIndexer.class, ioe.getMessage(), ioe); } String[] indexIds = new String[] { _companyId }; try { Iterator itr = PortletManagerUtil.getPortlets(_companyId).iterator(); while (itr.hasNext()) { Portlet portlet = (Portlet) itr.next(); String className = portlet.getIndexerClass(); if (portlet.isActive() && className != null) { _log.debug("Re-indexing with " + className + " started"); Indexer indexer = (Indexer) InstancePool.get(className); indexer.reIndex(indexIds); _log.debug("Re-indexing with " + className + " completed"); } } } catch (Exception e) { Logger.error(LuceneIndexer.class, e.getMessage(), e); } long end = System.currentTimeMillis(); _log.info("Re-indexing Lucene completed in " + ((end - start) / Time.SECOND) + " seconds"); _finished = true; } private static final Log _log = LogFactory.getLog(LuceneIndexer.class); private String _companyId; private boolean _halt; private boolean _finished; }