Accessor


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19  
20  package org.apache.cayenne.reflect;
21  
22  import java.io.Serializable  ;
23  
24  /**
25   * An accessor of a property value. Abstracts the actual property implementation. E.g. it
26   * can be a Field, a pair of get/set methods or a map/DataObject.
27   * 
28   * @since 3.0
29   * @author Andrus Adamchik
30   */
31  public interface Accessor extends Serializable   {
32  
33      /**
34       * Returns property name.
35       */
36      String   getName();
37  
38      /**
39       * Returns a property value of an object without disturbing the object fault status.
40       */
41      Object   getValue(Object   object) throws PropertyException;
42  
43      /**
44       * Sets a property value of an object without disturbing the object fault status. Old
45       * value of the property is specified as a hint.
46       */
47      void setValue(Object   object, Object   newValue) throws PropertyException;
48  }
49
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