Spring Framework example source code file (DelegatingConnectionFactory.java)

This example Spring Framework source code file (DelegatingConnectionFactory.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

connection, connection, connectionfactory, connectionfactory, illegalargumentexception, initializingbean, naming, namingexception, property, recordfactory, reference, resourceadaptermetadata, resourceadaptermetadata, resourceexception, resourceexception

The Spring Framework DelegatingConnectionFactory.java source code

/*
 * Copyright 2002-2007 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.springframework.jca.cci.connection;

import javax.naming.NamingException;
import javax.naming.Reference;
import javax.resource.ResourceException;
import javax.resource.cci.Connection;
import javax.resource.cci.ConnectionFactory;
import javax.resource.cci.ConnectionSpec;
import javax.resource.cci.RecordFactory;
import javax.resource.cci.ResourceAdapterMetaData;

import org.springframework.beans.factory.InitializingBean;

/**
 * CCI {@link ConnectionFactory} implementation that delegates all calls
 * to a given target {@link ConnectionFactory}.
 *
 * <p>This class is meant to be subclassed, with subclasses overriding only
 * those methods (such as {@link #getConnection()}) that should not simply
 * delegate to the target {@link ConnectionFactory}.
 *
 * @author Juergen Hoeller
 * @since 1.2
 * @see #getConnection
 */
public class DelegatingConnectionFactory implements ConnectionFactory, InitializingBean {

	private ConnectionFactory targetConnectionFactory;


	/**
	 * Set the target ConnectionFactory that this ConnectionFactory should delegate to.
	 */
	public void setTargetConnectionFactory(ConnectionFactory targetConnectionFactory) {
		this.targetConnectionFactory = targetConnectionFactory;
	}

	/**
	 * Return the target ConnectionFactory that this ConnectionFactory should delegate to.
	 */
	public ConnectionFactory getTargetConnectionFactory() {
		return this.targetConnectionFactory;
	}


	public void afterPropertiesSet() {
		if (getTargetConnectionFactory() == null) {
			throw new IllegalArgumentException("Property 'targetConnectionFactory' is required");
		}
	}


	public Connection getConnection() throws ResourceException {
		return getTargetConnectionFactory().getConnection();
	}

	public Connection getConnection(ConnectionSpec connectionSpec) throws ResourceException {
		return getTargetConnectionFactory().getConnection(connectionSpec);
	}

	public RecordFactory getRecordFactory() throws ResourceException {
		return getTargetConnectionFactory().getRecordFactory();
	}

	public ResourceAdapterMetaData getMetaData() throws ResourceException {
		return getTargetConnectionFactory().getMetaData();
	}

	public Reference getReference() throws NamingException {
		return getTargetConnectionFactory().getReference();
	}

	public void setReference(Reference reference) {
		getTargetConnectionFactory().setReference(reference);
	}

}