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1   /*
2    * Copyright 2007-2008 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.test;
17  
18  import org.kuali.rice.core.lifecycle.Lifecycle;
19  import org.kuali.rice.core.resourceloader.GlobalResourceLoader;
20  import org.springframework.transaction.PlatformTransactionManager;
21  import org.springframework.transaction.TransactionStatus;
22  import org.springframework.transaction.support.DefaultTransactionDefinition;
23  
24  /**
25   * A lifecycle for testing with database transactional rollback.
26   * @author Kuali Rice Team (rice.collab@kuali.org)
27   */
28  public class TransactionalLifecycle implements Lifecycle {
29  	
30  	private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger
31  			.getLogger(TransactionalLifecycle.class);
32  	
33      /**
34       * Name of the transaction manager to pull from the GlobalResourceLoader.
35       * This will most likely be a Spring bean name.
36       */
37      public static final String DEFAULT_TRANSACTION_MANAGER_NAME = "transactionManager";
38  
39      private String transactionManagerName;
40      private PlatformTransactionManager transactionManager;
41  
42      public TransactionalLifecycle(String transactionManagerName) {
43      	this.transactionManagerName = transactionManagerName;
44      }
45      
46      public TransactionalLifecycle() {
47      	this(DEFAULT_TRANSACTION_MANAGER_NAME);
48      }
49      
50      public void setTransactionManager(PlatformTransactionManager transactionManager) {
51      	this.transactionManager = transactionManager;
52      }
53      
54      /**
55       * Returns the PlatformTransactionManager configured on this lifecycle.
56       * If none defined, pulls the transaction manager out of the GlobalResourceLoader
57       * @return the transaction manager in the GlobalResourceLoader
58       */
59      private PlatformTransactionManager getTransactionManager() {
60      	if (transactionManager == null) {
61      		transactionManager = (PlatformTransactionManager) GlobalResourceLoader.getService(transactionManagerName);
62      	}
63      	return transactionManager;
64      }
65  
66      private boolean started;
67      private TransactionStatus TRANSACTION_STATUS;
68  
69      public boolean isStarted() {
70          return started;
71      }
72  
73      public void start() throws Exception {
74      	LOG.info("Starting a transaction from TransactionalLifecycle...");
75          DefaultTransactionDefinition defaultTransactionDefinition = new DefaultTransactionDefinition();
76          defaultTransactionDefinition.setTimeout(3600);
77          TRANSACTION_STATUS = getTransactionManager().getTransaction(defaultTransactionDefinition);
78          started = true;
79      }
80  
81      public void stop() throws Exception {
82      	LOG.info("...rolling back transaction from TransactionalLifecycle.");
83          getTransactionManager().rollback(TRANSACTION_STATUS);
84          started = false;
85      }
86  
87  }