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Java > Open Source Codes > org > apache > activemq > util > Callback


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.activemq.util;
19
20 /**
21  * A simple callback object used by the
22  * {@link org.apache.activemq.util.TransactionTemplate}
23  * and {@link org.apache.activemq.util.ExceptionTemplate}
24    objects to provide automatic transactional or exception handling blocks.
25  *
26  * @version $Revision: 1.2 $
27  */
28 public interface Callback {
29
30     /**
31      * Executes some piece of code within a transaction
32      * performing a commit if there is no exception thrown
33      * else a rollback is performed
34      * @throws Exception TODO
35      */
36     public void execute() throws Exception JavaDoc;
37 }
38
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