TransactionLocalDelegate


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15    * Lesser General Public License for more details.
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22  package org.jboss.tm;
23  
24  import javax.transaction.Transaction  ;
25  
26  /**
27   * The interface to implementated for a transaction local implementation
28   *
29   * @author <a HREF="mailto:adrian@jboss.org">Adrian Brock</a>
30   * @version $Revision: 37459 $
31   */
32  public interface TransactionLocalDelegate
33  {
34     /**
35      * get the transaction local value.
36      */
37     Object   getValue(TransactionLocal local, Transaction   tx);
38  
39     /**
40      * put the value in the transaction local
41      */
42     void storeValue(TransactionLocal local, Transaction   tx, Object   value);
43  
44     /**
45      * does Transaction contain object?
46      */
47     boolean containsValue(TransactionLocal local, Transaction   tx);
48     
49     /**
50      * Lock the transaction local in the context of this transaction
51      * 
52      * @throws IllegalStateException if the transaction is not active
53      * @throws InterruptedException if the thread is interrupted
54      */
55     void lock(TransactionLocal local, Transaction   tx) throws InterruptedException  ;
56     
57     /**
58      * Unlock the transaction local in the context of this transaction
59      */
60     void unlock(TransactionLocal local, Transaction   tx);
61  }
62
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