xatransactionfactorybean.java

Jencks是一个轻量级的JCA容器。它可以轻松部署到Spring中以提供消息驱动的POJOs.此外Jencks通过使用类似于JMS,JAX-RPC,JBI与JCA CCI的API来提供对inboun

/*
 * Copyright 2002-2005 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.jencks.factory;

import org.apache.geronimo.connector.outbound.connectionmanagerconfig.TransactionSupport;
import org.apache.geronimo.connector.outbound.connectionmanagerconfig.XATransactions;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;

/**
 * This FactoryBean creates the xa transaction strategy for the
 * JCA connection manager used.
 * <p/>
 * This class can be injected in the ConnectionManagerFactoryBean to
 * configure the ConnectionManager instance returned.
 *
 * @author Thierry Templier
 * @see ConnectionManagerFactoryBean#setTransactionSupport(TransactionSupport)
 */
public class XATransactionFactoryBean implements FactoryBean, InitializingBean {

    private boolean useTransactionCaching;
    private boolean useThreadCaching;

    private TransactionSupport transactionSupport;

    public Object getObject() throws Exception {
        return transactionSupport;
    }

    public Class getObjectType() {
        return TransactionSupport.class;
    }

    public boolean isSingleton() {
        return true;
    }

    /**
     * Set the useThreadCaching property to allow the ConnectionManager to
     * cache connections for a thread.
     */
    public void setUseThreadCaching(boolean useThreadCaching) {
        this.useThreadCaching = useThreadCaching;
    }

    /**
     * Set the useTransactionCaching property to allow the ConnectionManager to
     * cache connections for the current transaction.
     * <p/>
     * This allows connections to be used several times in the same transaction.
     * So it prevents the connection to be enlisted several times in the
     * current transaction.
     */
    public void setUseTransactionCaching(boolean useTransactionCaching) {
        this.useTransactionCaching = useTransactionCaching;
    }

    /**
     * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
     */
    public void afterPropertiesSet() throws Exception {
        this.transactionSupport = new XATransactions(useTransactionCaching, useThreadCaching);
    }

}