/*
 * Copyright  1990-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * 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 version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

package com.sun.midp.push.gcf;

/**
 * Callback interface to inform executive that data are available.
 *
 * <p>
 * Callbacks can be invoked only after the connection is reserved
 * (see {@link com.sun.midp.push.gcf.ReservationDescriptor#reserve}).
 * After <code>MIDlet</code> opens the connection and until it's closed
 * explicitly or <code>MIDlet</code> isolate terminates no notifications
 * are sent.
 * </p>
 *
 * <p>
 * Callbacks could be invoked asynchronously (e.g. from
 * some driver thread) and should take minimal time to run.
 * </p>
 */
public interface DataAvailableListener {
    /**
     * Invoked when the associated reserved connection has available data.
     */
    void dataAvailable();
}