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High-Availability JDBC
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/*
 * HA-JDBC: High-Availability JDBC
 * Copyright (C) 2012  Paul Ferraro
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */
package net.sf.hajdbc.distributed.jgroups;

import java.util.List;
import java.util.Map;
import net.sf.hajdbc.distributed.CommandDispatcher;
import net.sf.hajdbc.distributed.CommandDispatcherFactory;
import net.sf.hajdbc.distributed.MembershipListener;
import net.sf.hajdbc.distributed.Stateful;

import org.jgroups.Channel;
import org.jgroups.JChannel;
import org.jgroups.conf.ConfiguratorFactory;
import org.jgroups.conf.ProtocolConfiguration;
import org.jgroups.conf.ProtocolStackConfigurator;

/**
 * Factory for creating a JGroups instrumented command dispatcher.

 * @author Paul Ferraro
 */
public class JGroupsCommandDispatcherFactory implements CommandDispatcherFactory
{
	private static final long serialVersionUID = 5135621114239237376L;
	
	public static final long DEFAULT_TIMEOUT = 60000;

	public static final String TCP_STACK = "tcp.xml";
	public static final String UDP_STACK = "udp.xml";
	public static final String DEFAULT_STACK = UDP_STACK;
	
	private String stack = DEFAULT_STACK;
	private long timeout = DEFAULT_TIMEOUT;
	private String name;

	@Override
	public String getId()
	{
		return "jgroups";
	}

	@Override
	public  CommandDispatcher createCommandDispatcher(String id, C context, Stateful stateful, MembershipListener membershipListener) throws Exception
	{
		String jstack = this.stack;
		if(id.endsWith(".lock")){
			jstack = "lock_"+this.stack;
		}else if(id.endsWith(".state")){
			jstack = "state_"+this.stack;
		}
		ProtocolStackConfigurator configurator = ConfiguratorFactory.getStackConfigurator(jstack);
		Channel channel = new JChannel(configurator);
		if (this.name != null)
		{
			channel.setName(this.name);
		}
		return new JGroupsCommandDispatcher(id, channel, this.timeout, context, stateful, membershipListener);
	}

	public String getName()
	{
		return this.name;
	}

	public void setName(String name)
	{
		this.name = name;
	}

	public String getStack()
	{
		return this.stack;
	}

	public void setStack(String stack)
	{
		this.stack = stack;
	}

	public long getTimeout()
	{
		return this.timeout;
	}

	public void setTimeout(long timeout)
	{
		this.timeout = timeout;
	}
}