/**
*
* Copyright 2005 Hiram Chirino
*
* Licensed 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.
*
**/
package org.activemq.broker.impl;
import java.io.File;
import java.io.IOException;
import org.activemq.io.util.MemoryBoundedObjectManager;
import org.activemq.store.PersistenceAdapter;
import org.activemq.store.PersistenceAdapterFactory;
import org.activemq.store.cache.MemoryBoundedCachePersistenceAdapter;
import org.activemq.store.jdbc.JDBCPersistenceAdapter;
import org.activemq.store.journal.JournalPersistenceAdapter;
import org.apache.derby.jdbc.EmbeddedDataSource;
/**
* Factory class that can create PersistenceAdapter objects.
*
* @version $Revision: 1.1.1.1 $
*/
public class DefaultPersistenceAdapterFactory implements PersistenceAdapterFactory {
/**
* Creates a persistence Adapter that can use a given directory to store it's data.
* @throws IOException
*/
public PersistenceAdapter createPersistenceAdapter(File dataDirectory, MemoryBoundedObjectManager memManager) throws IOException {
// Setup the Derby datasource.
System.setProperty("derby.system.home", dataDirectory.getCanonicalPath());
System.setProperty("derby.storage.fileSyncTransactionLog", "true");
EmbeddedDataSource ds = new EmbeddedDataSource();
ds.setDatabaseName("derbydb");
ds.setCreateDatabase("create");
JDBCPersistenceAdapter jdbcAdapter = new JDBCPersistenceAdapter();
jdbcAdapter.setDataSource(ds);
// Setup the Journal
File journalDir = new File(dataDirectory, "journal");
JournalPersistenceAdapter journalAdapter = new JournalPersistenceAdapter(journalDir, jdbcAdapter);
journalAdapter.setJournalType(JournalPersistenceAdapter.DEFAULT_JOURNAL_TYPE);
// Add a cache layer if the memory manager is available.
if( memManager==null )
return journalAdapter;
MemoryBoundedCachePersistenceAdapter cacheAdapter = new MemoryBoundedCachePersistenceAdapter(journalAdapter);
cacheAdapter.setMemoryManager(memManager);
return cacheAdapter;
}
}