nullcomponent.java

来自「提供ESB 应用mule源代码 提供ESB 应用mule源代码」· Java 代码 · 共 30 行

/*
 * $Id: NullComponent.java 10529 2008-01-25 05:58:36Z dfeist $
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.component.simple;

import org.mule.api.MuleEventContext;
import org.mule.api.lifecycle.Callable;

/**
 * <code>NullComponent</code> is a service that is used as a placeholder. This
 * implementation will throw an exception if a message is received for it.
 */
public class NullComponent implements Callable
{

    public Object onCall(MuleEventContext context) throws Exception
    {
        throw new UnsupportedOperationException("This service cannot receive messages. Service is: "
                                                + context.getService().getName());
    }

}