+++ /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);
- }
-
-}
import javax.transaction.UserTransaction;
import org.wamblee.general.ThreadSpecificProxyFactory;
+import org.wamblee.general.ThreadSpecificProxyFactory.CreationCallback;
import org.wamblee.test.persistence.JpaBuilder;
/**
*
* <p>
* Simple transaction manager provides a simple mechanism to manage transactions
- * in test code through the {@link UserTransaction} object.
- * To construct the transaction manager use:
+ * in test code through the {@link UserTransaction} object. To construct the
+ * transaction manager use:
* </p>
+ *
* <pre>
- * SimpleTransactionManager manager =
- * new SimpleTransactionManager(new DefaultUserTransactionFactory());
+ * SimpleTransactionManager manager = new SimpleTransactionManager(
+ * new DefaultUserTransactionFactory());
* </pre>
*
* <p>
* Next, add resources to manage using {@link #addResource(TransactionResource)}:
+ *
* <pre>
- * manager.addResource(jpaTester.getJpaBuilder());
+ * manager.addResource(jpaTester.getJpaBuilder());
* </pre>
* <p>
- * As you can see from the above, {@link JpaBuilder} is a resource that can be used
- * so this mechanism can be used with JPA testing.
+ * As you can see from the above, {@link JpaBuilder} is a resource that can be
+ * used so this mechanism can be used with JPA testing.
* </p>
*
* <p>
- * The next step is to manage transactions using the standard <code>UserTransaction</code>
- * APIs:
+ * The next step is to manage transactions using the standard
+ * <code>UserTransaction</code> APIs:
* </p>
+ *
* <pre>
* UserTransaction transaction = manager.getTransaction();
* transaction.begin();
*
* ... do work...
*
- * transaction.commit();
+ * transaction.commit();
* </pre>
*
* @author Erik Brakkee
public class SimpleTransactionManager {
private UserTransactionFactory factory;
- private ThreadLocal<UserTransaction> transaction;
- private UserTransactionCallback callback;
private List<TransactionResource> resources;
+ private UserTransactionCallback transactionFInishedCallback;
+ private ThreadSpecificProxyFactory<UserTransaction> transaction;
/**
* Constructs the transaction manager.
*/
public SimpleTransactionManager(UserTransactionFactory aFactory) {
factory = aFactory;
- transaction = new ThreadLocal<UserTransaction>();
- callback = new UserTransactionCallback() {
+ resources = new ArrayList<TransactionResource>();
+
+ transactionFInishedCallback = new UserTransactionCallback() {
@Override
public void transactionFinished() {
- transaction.set(null);
+ transaction.set(factory.create(this, resources));
}
};
- resources = new ArrayList<TransactionResource>();
+ transaction = new ThreadSpecificProxyFactory<UserTransaction>(
+ UserTransaction.class, new CreationCallback<UserTransaction>() {
+ @Override
+ public UserTransaction create() {
+ return factory.create(transactionFInishedCallback,
+ resources);
+ }
+ });
}
/**
/**
* Gets the user transaction. This is a contextual reference, meaning that
- * it will delegate to the appropriate thread-specific user transaction.
- * It is also safe to store in a JNDI tree and for caching by applications.
+ * it will delegate to the appropriate thread-specific user transaction. It
+ * is also safe to store in a JNDI tree and for caching by applications.
*
* @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 tx;
+ return transaction.getProxy();
}
/**
- * Gets the thread-specific transaction object.
- * @return Transaction object.
+ * Gets the thread-specific transaction object.
+ *
+ * @return Transaction object.
*/
- UserTransaction getThreadSpecificTransaction() {
- getTransaction(); // create tx if needed
- return transaction.get();
+ UserTransaction getThreadSpecificTransaction() {
+ getTransaction(); // create tx if needed
+ return transaction.get();
}
}