NullCallbackHandler.java

/**********************************************************************
Copyright (c) 2011 Andy Jefferson and others. All rights reserved.
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.

Contributors:
   ...
**********************************************************************/
package org.datanucleus.state;

import org.datanucleus.BeanValidationHandler;

/**
 * Callback handler that does nothing. Provided for the case where the user wants to do bulk operations
 * and isn't interested in callbacks.
 */
public class NullCallbackHandler implements CallbackHandler
{
    public void setBeanValidationHandler(BeanValidationHandler handler)
    {
    }

    public void addListener(Object listener, Class[] classes)
    {
    }

    public void removeListener(Object listener)
    {
    }

    public void close()
    {
    }
}