01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package com.sun.midp.services;
28:
29: /**
30: * System service interface. System service runs in AMS Isolate
31: * and provides some service for other Isolates, using
32: * SystemSeviceConnection as means of communication between
33: * service and clients.
34: */
35: public interface SystemService {
36: /**
37: * Gets unique service identifier.
38: *
39: * @return unique String service identifier
40: */
41: public String getServiceID();
42:
43: /**
44: * Starts service. Called when service is about to be
45: * requested for the first time. Thus, services can be
46: * initialized lazily, only when they are really needed.
47: */
48: public void start();
49:
50: /**
51: * Shutdowns service.
52: */
53: public void stop();
54:
55: /**
56: * Accepts connection. When client requests a service, first,
57: * a connection between client and service is created, and then
58: * it is passed to service via this method to accept it and
59: * start doing its thing. Note: you shouldn't block in this
60: * method.
61: *
62: * @param connection connection between client and service
63: */
64: public void acceptConnection(SystemServiceConnection connection);
65: }
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