/*
* Copyright (C) Scott Cranton and Jakub Korab
* https://github.com/CamelCookbook
*
* 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.camelcookbook.transactions.xatransaction;
import com.atomikos.icatch.jta.UserTransactionImp;
import com.atomikos.icatch.jta.UserTransactionManager;
import com.atomikos.jdbc.AtomikosDataSourceBean;
import com.atomikos.jms.AtomikosConnectionFactoryBean;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQXAConnectionFactory;
import org.apache.activemq.camel.component.ActiveMQComponent;
import org.apache.camel.CamelContext;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.component.sql.SqlComponent;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.impl.SimpleRegistry;
import org.apache.camel.spring.spi.SpringTransactionPolicy;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.camelcookbook.transactions.dao.AuditLogDao;
import org.camelcookbook.transactions.utils.EmbeddedActiveMQBroker;
import org.camelcookbook.transactions.utils.EmbeddedDataSourceFactory;
import org.camelcookbook.transactions.utils.ExceptionThrowingProcessor;
import org.h2.jdbcx.JdbcDataSource;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import org.springframework.transaction.jta.JtaTransactionManager;
/**
* Demonstrates the use of an XA transaction manager with a JMS component and database.
*/
public class XATransactionTest extends CamelTestSupport {
public static final int MAX_WAIT_TIME = 1000;
private AuditLogDao auditLogDao;
@Rule
public EmbeddedActiveMQBroker broker = new EmbeddedActiveMQBroker("embeddedBroker");
private AtomikosConnectionFactoryBean atomikosConnectionFactoryBean;
private UserTransactionManager userTransactionManager;
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new XATransactionRouteBuilder();
}
@Override
protected CamelContext createCamelContext() throws Exception {
SimpleRegistry registry = new SimpleRegistry();
// JMS setup
ActiveMQXAConnectionFactory xaConnectionFactory =
new ActiveMQXAConnectionFactory();
xaConnectionFactory.setBrokerURL(broker.getTcpConnectorUri());
registry.put("connectionFactory", xaConnectionFactory);
atomikosConnectionFactoryBean = new AtomikosConnectionFactoryBean();
atomikosConnectionFactoryBean.setXaConnectionFactory(xaConnectionFactory);
atomikosConnectionFactoryBean.setUniqueResourceName("xa.activemq");
atomikosConnectionFactoryBean.setMaxPoolSize(10);
atomikosConnectionFactoryBean.setIgnoreSessionTransactedFlag(false);
registry.put("atomikos.connectionFactory", atomikosConnectionFactoryBean);
// JDBC setup
JdbcDataSource jdbcDataSource = EmbeddedDataSourceFactory.getJdbcDataSource("sql/schema.sql");
AtomikosDataSourceBean atomikosDataSourceBean = new AtomikosDataSourceBean();
atomikosDataSourceBean.setXaDataSource(jdbcDataSource);
atomikosDataSourceBean.setUniqueResourceName("xa.h2");
registry.put("atomikos.dataSource", atomikosDataSourceBean);
// Atomikos setup
userTransactionManager = new UserTransactionManager();
userTransactionManager.setForceShutdown(false);
userTransactionManager.init();
UserTransactionImp userTransactionImp = new UserTransactionImp();
userTransactionImp.setTransactionTimeout(300);
JtaTransactionManager jtaTransactionManager = new JtaTransactionManager();
jtaTransactionManager.setTransactionManager(userTransactionManager);
jtaTransactionManager.setUserTransaction(userTransactionImp);
registry.put("jta.transactionManager", jtaTransactionManager);
SpringTransactionPolicy propagationRequired = new SpringTransactionPolicy();
propagationRequired.setTransactionManager(jtaTransactionManager);
propagationRequired.setPropagationBehaviorName("PROPAGATION_REQUIRED");
registry.put("PROPAGATION_REQUIRED", propagationRequired);
auditLogDao = new AuditLogDao(jdbcDataSource);
CamelContext camelContext = new DefaultCamelContext(registry);
{
SqlComponent sqlComponent = new SqlComponent();
sqlComponent.setDataSource(atomikosDataSourceBean);
camelContext.addComponent("sql", sqlComponent);
}
{
// transactional JMS component
ActiveMQComponent activeMQComponent = new ActiveMQComponent();
activeMQComponent.setConnectionFactory(atomikosConnectionFactoryBean);
activeMQComponent.setTransactionManager(jtaTransactionManager);
camelContext.addComponent("jms", activeMQComponent);
}
{
// non-transactional JMS component setup for test purposes
ActiveMQConnectionFactory connectionFactory =
new ActiveMQConnectionFactory();
connectionFactory.setBrokerURL(broker.getTcpConnectorUri());
ActiveMQComponent activeMQComponent = new ActiveMQComponent();
activeMQComponent.setConnectionFactory(connectionFactory);
activeMQComponent.setTransactionManager(jtaTransactionManager);
camelContext.addComponent("nonTxJms", activeMQComponent);
}
return camelContext;
}
@After
public void closeAtomikosResources() {
userTransactionManager.close();
atomikosConnectionFactoryBean.close();
}
@Test
public void testTransactedRolledBack() throws InterruptedException {
String message = "this message will explode";
assertEquals(0, auditLogDao.getAuditCount(message));
MockEndpoint mockOut = getMockEndpoint("mock:out");
mockOut.whenAnyExchangeReceived(new ExceptionThrowingProcessor());
// even though the route throws an exception, we don't have to deal with it here as we
// don't send the message to the route directly, but to the broker, which acts as a middleman.
template.sendBody("nonTxJms:inbound", message);
// the consumption of the message is transacted, so a message should end up in the DLQ
assertEquals(message, consumer.receiveBody("jms:ActiveMQ.DLQ", MAX_WAIT_TIME, String.class));
// the send operation is performed while a database transaction is going on, so it is rolled back
// on exception
assertNull(consumer.receiveBody("jms:outbound", MAX_WAIT_TIME, String.class));
assertEquals(0, auditLogDao.getAuditCount(message)); // the insert is rolled back
}
}