/*
*
*
* 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.services;
/**
* Connection between service and client allowing to pass messages
* between them. Connection stays open until client Isolate exits.
* When connection is closed, service will be notified to give it
* a chance to perform necessary cleanup.
*/
public interface SystemServiceConnection {
/**
* Receives a message. Blocks until there is a message to receive.
* On client side, it receives message from service. On service side,
* it receives message from client.
*
* @return received message
*/
public SystemServiceMessage receive()
throws SystemServiceConnectionClosedException;
/**
* Sends a message. Blocks until message is received. On client side,
* it sends message to service. On service side, it sends message
* to client.
*
* @param msg message to send
*/
public void send(SystemServiceMessage msg)
throws SystemServiceConnectionClosedException;
/**
* Sets a listener which will be notified when message has arrived.
*
* @param listener listener to notify. if null, removes current
* listener.
*/
public void setConnectionListener(SystemServiceConnectionListener
listener);
}
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