MessageCollector.java

/**
 * Copyright (C) 2008 - 2014 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * icense version 2 and the aforementioned licenses.
 *
 * 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.
 */
package org.n52.ses.wsn.dissemination.updateinterval;


import org.apache.muse.ws.notification.NotificationMessage;

public class MessageCollector {

	private boolean ignoreNonRelatedEvents;
	private MessageListener listener;

	public MessageCollector(boolean ignore, boolean batching) {
		this.ignoreNonRelatedEvents = ignore;
		
		if (batching) {
			this.listener = new BatchingMessageListener();
		} else {
			this.listener = new LatestEventMessageCollector();
		}
	}

	public boolean isIgnoreNonRelatedEvents() {
		return ignoreNonRelatedEvents;
	}

	public void newMessage(NotificationMessage message) {
		if (this.ignoreNonRelatedEvents) {
			this.listener.newMessage(message);
		} else {
			this.listener.newMessageForFeature(message, identifyFeature(message));
		}
	}

	private String identifyFeature(NotificationMessage message) {
		// TODO Auto-generated method stub
		return null;
	}

	public NotificationMessage pullMessageForLastInterval() {
		return this.listener.pullMessage();
	}

	public void shutdown() {
		this.listener.shutdown();
	}

}