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Java > Open Source Codes > org > enhydra > shark > api > UserTransaction


1 package org.enhydra.shark.api;
2
3 /**
4  * User and group information may be stored in separate repository
5  * so it may need a different type of transaction. To represent this,
6  * UserTransaction is another interface different from SharkTransaction,
7  * and other transaction interfaces.
8  *
9  * @see SharkTransaction
10  * @author Tanja Jovanovic
11  */
12 public interface UserTransaction {
13
14    /**
15     * Commits user transaction.
16     *
17     * @exception TransactionException If something unexpected happens.
18     */
19    public void commit () throws TransactionException;
20
21    /**
22     * Rollbacks user transaction. This method is called when commit
23     * method fails.
24     *
25     * @exception TransactionException If something unexpected happens.
26     */
27    public void rollback () throws TransactionException;
28
29    /**
30     * Releases user transaction. Method <b>MUST</b> be called for each transaction.
31     *
32     * @exception TransactionException If something unexpected happens.
33     */
34    public void release() throws TransactionException;
35
36 }
37
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