/**
*
* Copyright 2004 Protique Ltd
*
* 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.store.vm;
import java.io.File;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.jms.JMSException;
import org.activemq.message.ActiveMQDestination;
import org.activemq.message.ActiveMQQueue;
import org.activemq.store.MessageStore;
import org.activemq.store.PersistenceAdapter;
import org.activemq.store.TopicMessageStore;
import org.activemq.store.TransactionStore;
import EDU.oswego.cs.dl.util.concurrent.ConcurrentHashMap;
/**
* @version $Revision: 1.1.1.1 $
*/
public class VMPersistenceAdapter implements PersistenceAdapter {
VMTransactionStore transactionStore = null;
ConcurrentHashMap destinations = new ConcurrentHashMap();
public Map getInitialDestinations() {
HashMap rc = new HashMap(destinations.size());
for (Iterator iter = destinations.keySet().iterator(); iter.hasNext();) {
ActiveMQDestination dest = (ActiveMQDestination) iter.next();
rc.put(dest.getPhysicalName(), dest);
}
return rc;
}
public static VMPersistenceAdapter newInstance(File file) {
return new VMPersistenceAdapter();
}
public MessageStore createQueueMessageStore(String destinationName) throws JMSException {
ActiveMQQueue dest = new ActiveMQQueue(destinationName);
MessageStore rc = (MessageStore)destinations.get(dest);
if(rc==null) {
rc = new VMMessageStore();
if( transactionStore !=null ) {
rc = transactionStore.proxy(rc);
}
destinations.put(dest, rc);
}
return rc;
}
public TopicMessageStore createTopicMessageStore(String destinationName) throws JMSException {
ActiveMQQueue dest = new ActiveMQQueue(destinationName);
TopicMessageStore rc = (TopicMessageStore)destinations.get(dest);
if(rc==null) {
rc = new VMTopicMessageStore();
if( transactionStore !=null ) {
rc = transactionStore.proxy(rc);
}
destinations.put(dest, rc);
}
return rc;
}
public TransactionStore createTransactionStore() throws JMSException {
if( transactionStore==null ) {
transactionStore = new VMTransactionStore();
}
return transactionStore;
}
public void beginTransaction() {
}
public void commitTransaction() {
}
public void rollbackTransaction() {
}
public void start() throws JMSException {
}
public void stop() throws JMSException {
}
}