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Java > Open Source Codes > org > apache > tapestry > spec > BeanLifecycle


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.spec;
16
17 /**
18  * An enumeration of the different possible lifecycles for a JavaBean.
19  *
20  * @author Howard Lewis Ship
21  * @since 1.0.4
22  */
23
24 public class BeanLifecycle
25 {
26     /**
27      * No lifecycle; the bean is created fresh on each reference and not retained.
28      */
29
30     public static final BeanLifecycle NONE = new BeanLifecycle("NONE");
31
32     /**
33      * The standard lifecycle; the bean is retained for the duration of the request cycle and is
34      * discarded at the end of the request cycle.
35      */
36
37     public static final BeanLifecycle REQUEST = new BeanLifecycle("REQUEST");
38
39     /**
40      * The bean is created once and reused for the lifespan of the page containing the component.
41      */
42
43     public static final BeanLifecycle PAGE = new BeanLifecycle("PAGE");
44
45     /**
46      * The bean is create and reused until the end of the current render, at which point it is
47      * discarded.
48      *
49      * @since 2.2
50      */
51
52     public static final BeanLifecycle RENDER = new BeanLifecycle("RENDER");
53
54     private final String JavaDoc _name;
55
56     private BeanLifecycle(String JavaDoc name)
57     {
58         _name = name;
59     }
60
61     public String JavaDoc toString()
62     {
63         return "BeanLifecycle[" + _name + "]";
64     }
65
66     public String JavaDoc getName()
67     {
68         return _name;
69     }
70
71 }
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