/**
*
* Copyright 2005 LogicBlaze, Inc. http://www.logicblaze.com
*
* 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.jencks.factory;
import java.util.Map;
import org.apache.geronimo.transaction.context.GeronimoTransactionManager;
import org.apache.geronimo.transaction.context.TransactionContextManager;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
* This FactoryBean creates and configures the Geronimo implementation
* of the UserTransaction and TransactionManager interfaces.
* <p/>
* This factory is based on the Geronimo Transaction Context Manager.
*
* @version $Revision: 1.2 $
* @author <a href="mailto:gnt@codehaus.org">Guillaume Nodet</a>
* @see org.apache.geronimo.transaction.context.GeronimoTransactionManager
*/
public class GeronimoTransactionManagerFactoryBean implements FactoryBean, InitializingBean, ApplicationContextAware {
private GeronimoTransactionManager transactionManager;
private ApplicationContext applicationContext;
private TransactionContextManager transactionContextManager;
public Object getObject() throws Exception {
if (transactionManager == null) {
transactionManager = new GeronimoTransactionManager(getTransactionContextManager());
}
return transactionManager;
}
public Class getObjectType() {
return GeronimoTransactionManager.class;
}
public boolean isSingleton() {
return true;
}
public void afterPropertiesSet() throws Exception {
}
public void setApplicationContext(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
public TransactionContextManager getTransactionContextManager() {
if (transactionContextManager == null) {
Map map = applicationContext.getBeansOfType(TransactionContextManager.class);
if (map.size() == 1) {
transactionContextManager = (TransactionContextManager) map.values().iterator().next();
} else {
throw new IllegalStateException("no TransactionContextManager is registered");
}
}
return transactionContextManager;
}
public void setTransactionContextManager(TransactionContextManager transactionContextManager) {
this.transactionContextManager = transactionContextManager;
}
}