/*
* Copyright 2003,2004 The Apache Software Foundation
*
* 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 ext.test4j.cglib.proxy;
import java.lang.reflect.Method;
/**
* Map methods of subclasses generated by {@link Enhancer} to a particular
* callback. The type of the callbacks chosen for each method affects the
* bytecode generated for that method in the subclass, and cannot change for the
* life of the class.
*/
public interface CallbackFilter {
/**
* Map a method to a callback.
*
* @param method
* the intercepted method
* @return the index into the array of callbacks (as specified by
* {@link Enhancer#setCallbacks}) to use for the method,
*/
int accept(Method method);
/**
* The <code>CallbackFilter</code> in use affects which cached class the
* <code>Enhancer</code> will use, so this is a reminder that you should
* correctly implement <code>equals</code> and <code>hashCode</code> for
* custom <code>CallbackFilter</code> implementations in order to improve
* performance.
*/
boolean equals(Object o);
}