Savepoint


1   /*
2    * @(#)Savepoint.java   1.9 03/12/19
3    *
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   package java.sql;
9    
10  /**
11   * The representation of a savepoint, which is a point within
12   * the current transaction that can be referenced from the 
13   * <code>Connection.rollback</code> method. When a transaction
14   * is rolled back to a savepoint all changes made after that
15   * savepoint are undone.
16   * <p>
17   * Savepoints can be either named or unnamed. Unnamed savepoints
18   * are identified by an ID generated by the underlying data source.
19   *
20   * @since 1.4
21   */
22  
23  public interface Savepoint {
24  
25      /**
26       * Retrieves the generated ID for the savepoint that this 
27       * <code>Savepoint</code> object represents.
28       * @return the numeric ID of this savepoint
29       * @exception SQLException if this is a named savepoint
30       * @since 1.4
31       */
32      int getSavepointId() throws SQLException  ;
33  
34      /**
35       * Retrieves the name of the savepoint that this <code>Savepoint</code>
36       * object represents.
37       * @return the name of this savepoint
38       * @exception SQLException if this is an un-named savepoint
39       * @since 1.4
40       */
41      String   getSavepointName() throws SQLException  ;
42  }
43  
44  
45

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