01: /*
02: * Copyright (c) 2001-2004 Caucho Technology, Inc. All rights reserved.
03: *
04: * The Apache Software License, Version 1.1
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: *
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in
15: * the documentation and/or other materials provided with the
16: * distribution.
17: *
18: * 3. The end-user documentation included with the redistribution, if
19: * any, must include the following acknowlegement:
20: * "This product includes software developed by the
21: * Caucho Technology (http://www.caucho.com/)."
22: * Alternately, this acknowlegement may appear in the software itself,
23: * if and wherever such third-party acknowlegements normally appear.
24: *
25: * 4. The names "Hessian", "Resin", and "Caucho" must not be used to
26: * endorse or promote products derived from this software without prior
27: * written permission. For written permission, please contact
28: * info@caucho.com.
29: *
30: * 5. Products derived from this software may not be called "Resin"
31: * nor may "Resin" appear in their names without prior written
32: * permission of Caucho Technology.
33: *
34: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
35: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
36: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
37: * DISCLAIMED. IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
38: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
39: * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
40: * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
41: * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
42: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
43: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
44: * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45: *
46: * @author Scott Ferguson
47: */
48:
49: package com.caucho.services.server;
50:
51: import javax.servlet.ServletConfig;
52: import javax.servlet.ServletException;
53:
54: /**
55: * Interface for a service lifecycle.
56: *
57: * <p>The lifecycle for a service starts with the <code>init</code>
58: * method when the service starts.
59: *
60: * <code><pre>
61: * myService.init(config);
62: * ...
63: * myService.hello();
64: * ...
65: * myService.hello();
66: * ...
67: * myService.destroy();
68: * </pre></code>
69: */
70: public interface Service {
71: /**
72: * Initialize the service instance.
73: *
74: * @param config the configuration for the service.
75: */
76: public void init(ServletConfig config) throws ServletException;
77:
78: /**
79: * Cleanup the service instance.
80: */
81: public void destroy();
82: }
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