EventIpcManagerProxy.java

//
// This file is part of the OpenNMS(R) Application.
//
// OpenNMS(R) is Copyright (C) 2002-2003 The OpenNMS Group, Inc.  All rights reserved.
// OpenNMS(R) is a derivative work, containing both original code, included code and modified
// code that was published under the GNU General Public License. Copyrights for modified 
// and included code are below.
//
// OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
//
// Modifications:
//
// 2008 Mar 10: Created this file. - dj@opennms.org
//
// Copyright (C) 2008 Daniel J. Gregor, Jr..  All rights reserved.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 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 General Public License for more details.                                                            
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//       
// For more information contact: 
//      OpenNMS Licensing       <license@opennms.org>
//      http://www.opennms.org/
//      http://www.opennms.com/
//
package org.infosec.ismp.eventd;

import java.util.Collection;
import java.util.List;

import org.infosec.ismp.model.event.Event;
import org.infosec.ismp.model.event.EventListener;
import org.infosec.ismp.model.event.EventProxyException;
import org.infosec.ismp.model.event.Log;
import org.springframework.util.Assert;

/**
 * Late initializing proxy to another EventIpcManager object.
 * This lets us use this class in a Spring application context
 * that is shared amongst the daemons without having to do all of
 * the fairly heavy work to initialize a real EventIpcManager in
 * the share application context.
 *
 * @author <a href="mailto:dj@opennms.org">DJ Gregor</a>
 */
public class EventIpcManagerProxy implements EventIpcManager {
	private EventIpcManager m_delegate = null;

	@Override
	public void addEventListener(EventListener listener) {
		assertState();
		m_delegate.addEventListener(listener);
	}

	public void addEventListener(EventListener listener, List<String> ueiList) {
		assertState();
		m_delegate.addEventListener(listener, ueiList);
	}

	@Override
	public void addEventListener(EventListener listener, String uei) {
		assertState();
		m_delegate.addEventListener(listener, uei);
	}

	@Override
	public void addEventListener(EventListener listener, Collection<String> ueis) {
		assertState();
		m_delegate.addEventListener(listener, ueis);
	}

	@Override
	public void removeEventListener(EventListener listener) {
		assertState();
		m_delegate.removeEventListener(listener);
	}

	public void removeEventListener(EventListener listener, List<String> ueiList) {
		assertState();
		m_delegate.removeEventListener(listener, ueiList);
	}

	@Override
	public void removeEventListener(EventListener listener, String uei) {
		assertState();
		m_delegate.removeEventListener(listener, uei);
	}

	@Override
	public void removeEventListener(EventListener listener,
			Collection<String> ueis) {
		assertState();
		m_delegate.removeEventListener(listener, ueis);
	}

	@Override
	public void send(Event event) throws EventProxyException {
		assertState();
		m_delegate.send(event);
	}

	@Override
	public void send(Log eventLog) throws EventProxyException {
		assertState();
		m_delegate.send(eventLog);
	}

	@Override
	public void sendNow(Event event) {
		assertState();
		m_delegate.sendNow(event);
	}

	@Override
	public void sendNow(Log eventLog) {
		assertState();
		m_delegate.sendNow(eventLog);
	}

	private void assertState() {
		Assert.state(m_delegate != null,
				"property delegate not set; has the event daemon successfully started?");
	}

	public EventIpcManager getDelegate() {
		return m_delegate;
	}

	public void setDelegate(EventIpcManager delegate) {
		m_delegate = delegate;
	}

	@Override
	public void broadcastNow(Event event) {
		assertState();
		m_delegate.broadcastNow(event);
		
	}
	
	

}