ImmutableType


1   //$Id: ImmutableType.java,v 1.6 2005/02/16 12:50:19 oneovthafew Exp $
2   package org.hibernate.type;
3   
4   import java.util.Map  ;
5   
6   import org.hibernate.EntityMode;
7   import org.hibernate.HibernateException;
8   import org.hibernate.engine.SessionFactoryImplementor;
9   import org.hibernate.engine.SessionImplementor;
10  
11  /**
12   * Superclass of nullable immutable types.
13   * @author Gavin King
14   */
15  public abstract class ImmutableType extends NullableType {
16  
17      public final Object   deepCopy(Object   value, EntityMode entityMode, SessionFactoryImplementor factory) {
18          return value;
19      }
20  
21      public final boolean isMutable() {
22          return false;
23      }
24  
25      public Object   replace(
26          Object   original,
27          Object   target,
28          SessionImplementor session,
29          Object   owner, 
30          Map   copyCache)
31      throws HibernateException {
32          return original;
33      }
34  
35  
36  }
37

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