NonUniqueObjectException

bill — Thu, 25 Sep 2008 09:07:00 GMT

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//$Id: NonUniqueObjectException.java,v 1.4 2005/02/12 07:19:50 steveebersole Exp $
2 package org.hibernate;
3
4 import java.io.Serializable ;
5
6 import org.hibernate.pretty.MessageHelper;
7
8 /**
9 * This exception is thrown when an operation would
10 * break session-scoped identity. This occurs if the
11 * user tries to associate two different instances of
12 * the same Java class with a particular identifier,
13 * in the scope of a single Session.
14 *
15 * @author Gavin King
16 */
17 public class NonUniqueObjectException extends HibernateException {
18     private final Serializable identifier;
19     private final String entityName;
20
21     public NonUniqueObjectException(String message, Serializable id, String clazz) {
22         super(message);
23         this.entityName = clazz;
24         this.identifier = id;
25     }
26
27     public NonUniqueObjectException(Serializable id, String clazz) {
28         this("a different object with the same identifier value was already associated with the session", id, clazz);
29     }
30
31     public Serializable getIdentifier() {
32         return identifier;
33     }
34
35     public String getMessage() {
36         return super.getMessage() + ": " +
37             MessageHelper.infoString(entityName, identifier);
38     }
39
40     public String getEntityName() {
41         return entityName;
42     }
43
44 }

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bill 2008-09-25 17:07 å‘è¡¨è¯„è®º

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NonUniqueObjectException