/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. The ASF licenses this file to You
* under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
/* Created on Jul 16, 2003 */
package org.apache.roller.weblogger.business.search.operations;
import java.io.IOException;
import java.util.Date;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;
import org.apache.roller.weblogger.WebloggerException;
import org.apache.roller.weblogger.business.Weblogger;
import org.apache.roller.weblogger.business.search.IndexManagerImpl;
import org.apache.roller.weblogger.business.search.FieldConstants;
import org.apache.roller.weblogger.business.search.IndexUtil;
import org.apache.roller.weblogger.pojos.Weblog;
/**
* An index operation that rebuilds a given users index (or all indexes).
* @author Mindaugas Idzelis (min@idzelis.com)
*/
public class RemoveWebsiteIndexOperation extends WriteToIndexOperation {
//~ Static fields/initializers =============================================
private static Log mLogger =
LogFactory.getFactory().getInstance(RemoveWebsiteIndexOperation.class);
//~ Instance fields ========================================================
private Weblog website;
private Weblogger roller;
//~ Constructors ===========================================================
/**
* Create a new operation that will recreate an index.
* @param website The website to rebuild the index for, or null for all sites.
*/
public RemoveWebsiteIndexOperation(Weblogger roller, IndexManagerImpl mgr, Weblog website) {
super(mgr);
this.roller = roller;
this.website = website;
}
//~ Methods ================================================================
public void doRun() {
Date start = new Date();
// since this operation can be run on a separate thread we must treat
// the weblog object passed in as a detached object which is proned to
// lazy initialization problems, so requery for the object now
try {
this.website = roller.getWeblogManager().getWeblog(this.website.getId());
} catch (WebloggerException ex) {
mLogger.error("Error getting website object", ex);
return;
}
IndexReader reader = beginDeleting();
try {
if (reader != null) {
String handle = null;
if (website != null) {
handle = website.getHandle();
}
Term tHandle =
IndexUtil.getTerm(FieldConstants.WEBSITE_HANDLE, handle);
if (tHandle != null) {
reader.deleteDocuments(tHandle);
}
}
} catch (IOException e) {
mLogger.info("Problems deleting doc from index", e);
} finally {
endDeleting();
}
Date end = new Date();
double length = (end.getTime() - start.getTime()) / (double) 1000;
if (website != null) {
mLogger.info("Completed deleting indices for website '" +
website.getName() + "' in '" + length + "' seconds");
}
}
}