?? geronimotransactionmanagerfactorybean.java
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/** * * 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: 1.1 $ * @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 { return transactionManager; } public Class getObjectType() { return GeronimoTransactionManager.class; } public boolean isSingleton() { return true; } public void afterPropertiesSet() throws Exception { transactionManager = new GeronimoTransactionManager(getTransactionContextManager()); } 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; }}
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