1 /**
2 * Copyright 2005-2015 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.ken.util;
17
18 import java.util.concurrent.Callable;
19
20 import org.springframework.transaction.TransactionStatus;
21 import org.springframework.transaction.support.TransactionCallback;
22 import org.springframework.transaction.support.TransactionTemplate;
23
24 /**
25 * A Callable that performs work within a transaction and returns the
26 * TransactionCallback's result
27 * @author Kuali Rice Team (rice.collab@kuali.org)
28 */
29 public class TransactionedCallable implements Callable, TransactionCallback {
30 private TransactionTemplate txTemplate;
31 private TransactionCallback callback;
32
33 /**
34 * Constructs a TransactionedCallable.java.
35 * @param txTemplate
36 */
37 public TransactionedCallable(TransactionTemplate txTemplate) {
38 this.txTemplate = txTemplate;
39 }
40
41 /**
42 * Constructs a TransactionedCallable.java.
43 * @param txTemplate
44 * @param callback
45 */
46 public TransactionedCallable(TransactionTemplate txTemplate, TransactionCallback callback) {
47 this.txTemplate = txTemplate;
48 this.callback = callback;
49 }
50
51 /**
52 * @see java.util.concurrent.Callable#call()
53 */
54 public Object call() throws Exception {
55 TransactionCallback cb;
56 if (callback != null) {
57 cb = callback;
58 } else {
59 cb = this;
60 }
61 return txTemplate.execute(cb);
62 }
63
64 /**
65 * @see org.springframework.transaction.support.TransactionCallback#doInTransaction(org.springframework.transaction.TransactionStatus)
66 */
67 public Object doInTransaction(TransactionStatus txStatus) {
68 return null;
69 }
70 }