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/**
* Copyright (c) 2004 - 2010 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.jms.internal.server;
import org.eclipse.net4j.internal.jms.DestinationImpl;
import org.eclipse.net4j.internal.jms.MessageImpl;
import org.eclipse.net4j.internal.jms.QueueImpl;
import org.eclipse.net4j.internal.jms.TopicImpl;
import org.eclipse.net4j.jms.server.IDestination;
import org.eclipse.net4j.jms.server.IStore;
import org.eclipse.net4j.jms.server.IStoreTransaction;
import org.eclipse.net4j.util.concurrent.RoundRobinList;
import javax.naming.Context;
import javax.naming.NamingException;
import java.util.Iterator;
/**
* @author Eike Stepper
*/
public class ServerDestination implements IDestination
{
private String name;
private Type type;
private RoundRobinList<ServerConsumer> consumers = new RoundRobinList<ServerConsumer>();
public ServerDestination(String name, Type type)
{
this.name = name;
this.type = type;
}
public String getName()
{
return name;
}
public Type getType()
{
return type;
}
public DestinationImpl bind(Context context, boolean rebind) throws NamingException
{
DestinationImpl destination = type == Type.QUEUE ? new QueueImpl(name) : new TopicImpl(name);
if (rebind)
{
context.rebind(name, destination);
}
else
{
context.bind(name, destination);
}
return destination;
}
public boolean addConsumer(ServerConsumer consumer)
{
if (consumer.isDurable())
{
IStore store = Server.INSTANCE.getStore();
IStoreTransaction transaction = store.startTransaction();
transaction.consumerAdded(consumer);
store.commitTransaction(transaction);
}
return consumers.add(consumer);
}
public boolean removeConsumer(final long consumerID)
{
final boolean[] modified = { false };
consumers.executeWrites(new Runnable()
{
public void run()
{
for (Iterator<ServerConsumer> it = consumers.iterator(); it.hasNext();)
{
ServerConsumer consumer = it.next();
if (consumer.getID() == consumerID)
{
it.remove();
modified[0] = true;
return;
}
}
}
});
return modified[0];
}
/**
* Called by worker thread of the server
*/
public void handleClientMessage(IStoreTransaction transaction, MessageImpl message)
{
if (type == Type.QUEUE)
{
ServerConsumer consumer = consumers.element();
if (consumer != null)
{
consumer.handleClientMessage(transaction, message);
}
}
else
{
ServerConsumer[] consumers = this.consumers.toArray(new ServerConsumer[0]);
for (ServerConsumer consumer : consumers)
{
consumer.handleClientMessage(transaction, message);
}
}
}
}
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