IQRouter.java 1.28 KB
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/**
 * $RCSfile$
 * $Revision$
 * $Date$
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 *
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 * Copyright (C) 2004 Jive Software. All rights reserved.
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 *
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 * This software is published under the terms of the GNU Public License (GPL),
 * a copy of which is included in this distribution.
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 */
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package org.jivesoftware.messenger;

/**
 * <p>Route iq packets throughout the server.</p>
 * <p>Routing is based on the recipient and sender addresses. The typical
 * packet will often be routed twice, once from the sender to some internal
 * server component for handling or processing, and then back to the router
 * to be delivered to it's final destination.</p>
 *
 * @author Iain Shigeoka
 */
public interface IQRouter {

    /**
     * <p>Performs the actual packet routing.</p>
     * <p>You routing is considered 'quick' and implementations may not take
     * excessive amounts of time to complete the routing. If routing will take
     * a long amount of time, the actual routing should be done in another thread
     * so this method returns quickly.</p>
     * <h2>Warning</h2>
     * <p>Be careful to enforce concurrency DbC of concurrent by synchronizing
     * any accesses to class resources.</p>
     *
     * @param packet The packet to route
     * @throws NullPointerException If the packet is null
     */
    public void route(IQ packet);
}