/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/search/trunk/search-impl/impl/src/java/org/sakaiproject/search/indexer/impl/JournalStorageUpdateTransactionListener.java $
* $Id: JournalStorageUpdateTransactionListener.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.indexer.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.IndexUpdateTransaction;
import org.sakaiproject.search.indexer.api.IndexUpdateTransactionListener;
import org.sakaiproject.search.journal.api.JournalStorage;
import org.sakaiproject.search.journal.api.JournalStorageState;
import org.sakaiproject.search.transaction.api.IndexTransaction;
import org.sakaiproject.search.transaction.api.IndexTransactionException;
/**
* A transaction listener that connects to the journal storage
*
* @author ieb Unit test
* @see org.sakaiproject.search.indexer.impl.test.TransactionalIndexWorkerTest
*/
public class JournalStorageUpdateTransactionListener implements
IndexUpdateTransactionListener
{
private static final Log log = LogFactory.getLog(JournalStorageUpdateTransactionListener.class);
private JournalStorage journalStorage;
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
{
try
{
String location = ((IndexUpdateTransaction) transaction).getTempIndex();
long transactionId = transaction.getTransactionId();
JournalStorageState jss = journalStorage.prepareSave(location, transactionId);
transaction.put(JournalStorageUpdateTransactionListener.class.getName(), jss);
}
catch (Exception ex)
{
throw new IndexJournalException("Failed to transfer index ", ex);
}
finally
{
}
}
/**
* @see org.sakaiproject.search.transaction.api.TransactionListener#commit(org.sakaiproject.search.indexer.api.IndexUpdateTransaction)
*/
public void commit(IndexTransaction transaction) throws IndexTransactionException
{
try
{
JournalStorageState jss = (JournalStorageState) transaction
.get(JournalStorageUpdateTransactionListener.class.getName());
journalStorage.commitSave(jss);
transaction.clear(JournalStorageUpdateTransactionListener.class.getName());
}
catch (Exception ex)
{
throw new IndexJournalException("Failed to commit index ", ex);
}
}
/**
* @see org.sakaiproject.search.transaction.api.TransactionListener#open(org.sakaiproject.search.indexer.api.IndexUpdateTransaction)
*/
public void open(IndexTransaction transaction)
{
}
/**
* @see org.sakaiproject.search.transaction.api.TransactionListener#rollback(org.sakaiproject.search.indexer.api.IndexUpdateTransaction)
*/
public void rollback(IndexTransaction transaction)
{
try
{
JournalStorageState jss = (JournalStorageState) transaction
.get(JournalStorageUpdateTransactionListener.class.getName());
journalStorage.rollbackSave(jss);
transaction.clear(JournalStorageUpdateTransactionListener.class.getName());
}
catch (Exception ex)
{
log.warn("Exception during rollback", ex);
}
finally
{
}
}
/*
* (non-Javadoc)
*
* @see org.sakaiproject.search.transaction.api.TransactionListener#close(org.sakaiproject.search.transaction.api.IndexTransaction)
*/
public void close(IndexTransaction transaction) throws IndexTransactionException
{
}
/**
* @return the journalStorage
*/
public JournalStorage getJournalStorage()
{
return journalStorage;
}
/**
* @param journalStorage
* the journalStorage to set
*/
public void setJournalStorage(JournalStorage journalStorage)
{
this.journalStorage = journalStorage;
}
}