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The source code/* * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/search/post/UpdateThreadTask.java,v 1.2 2005/01/18 11:52:23 minhnn Exp $ * $Author: minhnn $ * $Revision: 1.2 $ * $Date: 2005/01/18 11:52:23 $ * * ==================================================================== * * Copyright (C) 2002-2005 by MyVietnam.net * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or any later version. * * All copyright notices regarding mvnForum MUST remain intact * in the scripts and in the outputted HTML. * The "powered by" text/logo with a link back to * http://www.mvnForum.com and http://www.MyVietnam.net in the * footer of the pages MUST remain visible when the pages * are viewed on the internet or intranet. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * Support can be obtained from support forums at: * http://www.mvnForum.com/mvnforum/index * * Correspondence and Marketing Questions can be sent to: * info@MyVietnam.net * * @author: Minh Nguyen minhnn@MyVietnam.net */ package com.mvnforum.search.post; import java.io.IOException; import java.util.*; import com.mvnforum.db.DAOFactory; import com.mvnforum.db.PostBean; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.lucene.index.IndexWriter; /** * Update a thread task. This task do indexing of all post in the thread */ public class UpdateThreadTask extends TimerTask { private static Log log = LogFactory.getLog(UpdateThreadTask.class); private int threadID = 0; /* * Contructor with default access, prevent new an instance from outside package */ UpdateThreadTask(int threadID) { this.threadID = threadID; } /** * Delete all posts in the thread first, then add it again */ public void run() { long start = System.currentTimeMillis(); Collection posts = null; try { //hard code 10000 post to get. is it enough??? posts = DAOFactory.getPostDAO().getEnablePosts_inThread_limit(threadID, 0, 10000); } catch (Exception ex) { log.error("UpdateThreadTask.run : cannot get all posts from a thread (" + threadID + ") for indexing", ex); } if (posts == null) return; IndexWriter writer = null; try { // First, delete all posts from the thread PostIndexer.deleteThreadFromIndex(threadID); // then add all posts of the thread writer = PostIndexer.getIndexWriter(false); int i = 0; for (Iterator iter = posts.iterator(); iter.hasNext(); ) { PostBean post = (PostBean) iter.next(); PostIndexer.doIndexPost(post, writer); i++; } writer.optimize(); log.info("Updating thread finished successfully! " + i + " post(s) indexed."); } catch (Exception e) { log.error("Error while updating thread.", e); } finally { try { if (writer != null) { writer.close(); } } catch (IOException ignore) { } } log.info("UpdateThreadTask took " + (System.currentTimeMillis() - start) + " ms"); } } |
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