/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/search/trunk/search-impl/impl/src/java/org/sakaiproject/search/journal/impl/IndexListenerCloser.java $
* $Id: IndexListenerCloser.java 105078 2012-02-24 23:00:38Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.
*
**********************************************************************************/
package org.sakaiproject.search.journal.impl;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.IndexSearcher;
import org.sakaiproject.search.journal.api.IndexCloser;
import org.sakaiproject.search.journal.api.IndexListener;
/**
* @author ieb
*/
public class IndexListenerCloser implements IndexListener
{
private static final Log log = LogFactory.getLog(IndexListenerCloser.class);
private ConcurrentHashMap<IndexCloser, IndexCloser> closeMap = new ConcurrentHashMap<IndexCloser, IndexCloser>();
public void doIndexReaderClose(IndexReader oldMultiReader) throws IOException
{
if (oldMultiReader instanceof IndexCloser)
{
closeMap.put((IndexCloser) oldMultiReader, (IndexCloser) oldMultiReader);
}
purge();
}
public void doIndexReaderOpen(IndexReader newMultiReader)
{
}
public void doIndexSearcherClose(IndexSearcher indexSearcher) throws IOException
{
if (indexSearcher instanceof IndexCloser)
{
closeMap.put((IndexCloser) indexSearcher, (IndexCloser) indexSearcher);
}
purge();
}
public void doIndexSearcherOpen(IndexSearcher indexSearcher)
{
}
public void purge()
{
for (IndexCloser c : closeMap.values())
{
try
{
if (c.doFinalClose())
{
closeMap.remove(c);
}
}
catch (Exception ex)
{
log.info("Auto Index Close Failed " + ex.getMessage());
}
}
}
/**
* @return
*/
public int size()
{
return closeMap.size();
}
public String[] getOpenIndexNames() {
List<String> names = new ArrayList<String>();
for (IndexCloser ic : closeMap.values() ) {
names.add(ic.getName());
}
return names.toArray(new String[0]);
}
/**
*
*/
public void cleanup()
{
for (IndexCloser ic : closeMap.values())
{
ic.forceClose();
}
closeMap.clear();
}
}