org.snapscript.cglib.proxy.FixedValue Maven / Gradle / Ivy
/*
* Copyright 2003 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 org.snapscript.cglib.proxy;
/**
* {@link Enhancer} callback that simply returns the value to return
* from the proxied method. No information about what method
* is being called is available to the callback, and the type of
* the returned object must be compatible with the return type of
* the proxied method. This makes this callback primarily useful
* for forcing a particular method (through the use of a {@link CallbackFilter}
* to return a fixed value with little overhead.
*/
public interface FixedValue extends Callback {
/**
* Return the object which the original method invocation should
* return. This method is called for every method invocation.
* @return an object matching the type of the return value for every
* method this callback is mapped to
*/
Object loadObject() throws Exception;
}