NodePropertyResolver


1   /*
2    * Copyright (C) 2005 Alfresco, Inc.
3    *
4    * Licensed under the Mozilla Public License version 1.1 
5    * with a permitted attribution clause. You may obtain a
6    * copy of the License at
7    *
8    *   http://www.alfresco.org/legal/license.txt
9    *
10   * Unless required by applicable law or agreed to in writing,
11   * software distributed under the License is distributed on an
12   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific
14   * language governing permissions and limitations under the
15   * License.
16   */
17  package org.alfresco.web.bean.repository;
18  
19  /**
20   * Simple interface used to implement small classes capable of calculating dynamic property values
21   * for Nodes at runtime. This allows bean responsible for building large lists of Nodes to
22   * encapsulate the code needed to retrieve non-standard Node properties. The values are then
23   * calculated on demand by the property resolver.
24   * 
25   * When a node is reset() the standard and other props are cleared. If property resolvers are used
26   * then the non-standard props will be restored automatically as well. 
27   * 
28   * @author Kevin Roast
29   */
30  public interface NodePropertyResolver
31  {
32     /**
33      * Get the property value for this resolver
34      * 
35      * @param node       Node this property is for
36      * 
37      * @return property value
38      */
39     public Object   get(Node node);
40  }
41

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