/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/search/trunk/search-impl/impl/src/java/org/sakaiproject/search/journal/api/IndexListener.java $
* $Id: IndexListener.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.api;
import java.io.IOException;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.IndexSearcher;
/**
* @author ieb
*/
public interface IndexListener
{
/**
* Called when the index reader is closed
*
* @param oldMultiReader
* the index reader that has been detached and is ready to close
* @throws IOException
*/
void doIndexReaderClose(IndexReader oldMultiReader) throws IOException;
/**
* @param newMultiReader
*/
void doIndexReaderOpen(IndexReader newMultiReader);
/**
* Close the index searcher, this may need to be delayed
*
* @param indexSearcher
* @throws IOException
*/
void doIndexSearcherClose(IndexSearcher indexSearcher) throws IOException;
/**
* Fireed when an index searcher is opened
*
* @param indexSearcher
*/
void doIndexSearcherOpen(IndexSearcher indexSearcher);
}