--- /dev/null
+/*
+ * Copyright 2005-2010 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wamblee.test.transactions;
+
+import javax.transaction.HeuristicMixedException;
+import javax.transaction.HeuristicRollbackException;
+import javax.transaction.NotSupportedException;
+import javax.transaction.RollbackException;
+import javax.transaction.SystemException;
+import javax.transaction.UserTransaction;
+
+/**
+ * User transaction implemenetation that automatically creates thread specific transaction if needed.
+ *
+ * @author Erik Brakkee
+ *
+ */
+public class AutoCreateUserTransaction implements UserTransaction {
+
+ private SimpleTransactionManager manager;
+
+ public AutoCreateUserTransaction(SimpleTransactionManager aManager) {
+ manager = aManager;
+ }
+
+ private UserTransaction getTransaction() {
+ return manager.getOrCreateThreadSpecificTransaction();
+ }
+
+ @Override
+ public void begin() throws NotSupportedException, SystemException {
+ getTransaction().begin();
+ }
+
+ @Override
+ public void commit() throws RollbackException, HeuristicMixedException,
+ HeuristicRollbackException, SecurityException, IllegalStateException,
+ SystemException {
+ getTransaction().commit();
+ }
+
+ @Override
+ public int getStatus() throws SystemException {
+ return getTransaction().getStatus();
+ }
+
+ @Override
+ public void rollback() throws IllegalStateException, SecurityException,
+ SystemException {
+ getTransaction().rollback();
+ }
+
+ @Override
+ public void setRollbackOnly() throws IllegalStateException, SystemException {
+ getTransaction().setRollbackOnly();
+ }
+
+ @Override
+ public void setTransactionTimeout(int aSeconds) throws SystemException {
+ getTransaction().setTransactionTimeout(aSeconds);
+ }
+
+}
public class SimpleTransactionManager {
private UserTransactionFactory factory;
- private ThreadSpecificProxyFactory<UserTransaction> transaction;
+ private ThreadLocal<UserTransaction> transaction;
private UserTransactionCallback callback;
private List<TransactionResource> resources;
*/
public SimpleTransactionManager(UserTransactionFactory aFactory) {
factory = aFactory;
- transaction = new ThreadSpecificProxyFactory<UserTransaction>(UserTransaction.class);
+ transaction = new ThreadLocal<UserTransaction>();
callback = new UserTransactionCallback() {
@Override
* @return User transaction.
*/
public UserTransaction getTransaction() {
+ return new AutoCreateUserTransaction(this);
+ }
+
+ UserTransaction getOrCreateThreadSpecificTransaction() {
UserTransaction tx = transaction.get();
if (tx == null) {
tx = factory.create(callback, resources);
transaction.set(tx);
}
- return transaction.getProxy();
+ return tx;
}
/**