/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/search/trunk/search-impl/impl/src/java/org/sakaiproject/search/optimize/shared/impl/JournalOptimizationStartTransactionListener.java $
* $Id: JournalOptimizationStartTransactionListener.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.optimize.shared.impl;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.search.indexer.api.IndexJournalException;
import org.sakaiproject.search.indexer.api.IndexUpdateTransactionListener;
import org.sakaiproject.search.journal.api.JournalManager;
import org.sakaiproject.search.optimize.shared.api.JournalOptimizationTransaction;
import org.sakaiproject.search.transaction.api.IndexTransaction;
import org.sakaiproject.search.transaction.api.IndexTransactionException;
/**
* A transaction listener that connects to the Journal Optimize Journal manager
*
* @author ieb
*/
public class JournalOptimizationStartTransactionListener implements
IndexUpdateTransactionListener
{
private static final Log log = LogFactory.getLog(JournalOptimizationStartTransactionListener.class);
public void init()
{
}
public void destroy()
{
}
/**
* @throws IndexJournalException
* @see org.sakaiproject.search.transaction.api.TransactionListener#prepare(org.sakaiproject.search.indexer.api.IndexUpdateTransaction)
*/
public void prepare(IndexTransaction transaction) throws IndexJournalException
{
JournalOptimizationTransaction jtransaction = (JournalOptimizationTransaction) transaction;
JournalManager journalManager = jtransaction.getJournalManager();
OptimizeJournalManagerStateImpl jms = (OptimizeJournalManagerStateImpl) journalManager
.prepareSave(transaction.getTransactionId());
jtransaction.setState(jms);
// set the last item to the target
// set the merge list to all the segments, the merge list is processed in reverse order
jtransaction.setTargetSavePoint(jms.mergeList.get(jms.mergeList.size() - 1));
jtransaction.setMergeList(jms.mergeList);
}
/**
* @see org.sakaiproject.search.transaction.api.TransactionListener#commit(org.sakaiproject.search.indexer.api.IndexUpdateTransaction)
*/
public void commit(IndexTransaction transaction) throws IndexTransactionException
{
}
/**
* @throws IndexTransactionException
* @see org.sakaiproject.search.transaction.api.TransactionListener#open(org.sakaiproject.search.indexer.api.IndexUpdateTransaction)
*/
public void open(IndexTransaction transaction) throws IndexTransactionException
{
JournalOptimizationTransaction jtransaction = (JournalOptimizationTransaction) transaction;
JournalManager journalManager = jtransaction.getJournalManager();
journalManager.doOpenTransaction(transaction);
}
/**
* @see org.sakaiproject.search.transaction.api.TransactionListener#close(org.sakaiproject.search.transaction.api.IndexTransaction)
*/
public void close(IndexTransaction transaction) throws IndexTransactionException
{
}
/**
* @throws IndexTransactionException
* @see org.sakaiproject.search.transaction.api.TransactionListener#rollback(org.sakaiproject.search.indexer.api.IndexUpdateTransaction)
*/
public void rollback(IndexTransaction transaction) throws IndexTransactionException
{
}
}