/**
* Copyright (c) 2009-2013, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.example.guice;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.UnexpectedRollbackException;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.support.DefaultTransactionDefinition;
import com.google.inject.Inject;
/**
* A {@link MethodInterceptor} that implements nested transactions.
* <p>
* Only the outermost transactional method will <code>commit()</code> or
* <code>rollback()</code> the contextual transaction. This can be verified
* through {@link TransactionStatus#isNewTransaction()}, which returns
* <code>true</code> only for the outermost transactional method call.
* <p>
* This code is tested only for simple {@link Transactional} methods, without
* any {@link Propagation} flags.
*
* @author Lukas Eder
*/
class TransactionalMethodInterceptor implements MethodInterceptor {
@Inject
private DataSourceTransactionManager transactionManager;
@Override
public Object invoke(MethodInvocation invocation) throws Throwable {
DefaultTransactionDefinition transactionDefinition = new DefaultTransactionDefinition();
TransactionStatus transaction = transactionManager.getTransaction(transactionDefinition);
try {
Object result = invocation.proceed();
try {
if (transaction.isNewTransaction())
transactionManager.commit(transaction);
}
catch (UnexpectedRollbackException ignore) {}
return result;
}
catch (Exception e) {
if (transaction.isNewTransaction())
transactionManager.rollback(transaction);
throw e;
}
}
}