Persist


1   // Copyright 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.annotations;
16  
17  import java.lang.annotation.Documented  ;
18  import java.lang.annotation.ElementType  ;
19  import java.lang.annotation.Retention  ;
20  import java.lang.annotation.RetentionPolicy  ;
21  import java.lang.annotation.Target  ;
22  
23  /**
24   * Allows a property to be marked as persistent (and, optionally, provide control over how the
25   * property is persisted).
26   * 
27   * @author Howard M. Lewis Ship
28   * @since 4.0
29   */
30  
31  @Target(
32  { ElementType.METHOD })
33  @Retention  (RetentionPolicy.RUNTIME)
34  @Documented  
35  public @interface Persist {
36  
37      /**
38       * The persistence strategy, defaulting to "session" (meaning, in the HttpSession, as a session
39       * attribute). Tapestry includes another strategy, "client", and additional strategies can be
40       * defined.
41       */
42      String   value() default "session";
43  }
44

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