FixedValue.java revision 674060f01e9090cd21b3c5656cc3204912ad17a6 
1/*
2 * Copyright 2003 The Apache Software Foundation
3 *
4 *  Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 *  Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.mockito.cglib.proxy;
17
18/**
19 * {@link Enhancer} callback that simply returns the value to return
20 * from the proxied method. No information about what method
21 * is being called is available to the callback, and the type of
22 * the returned object must be compatible with the return type of
23 * the proxied method. This makes this callback primarily useful
24 * for forcing a particular method (through the use of a {@link CallbackFilter}
25 * to return a fixed value with little overhead.
26 */
27public interface FixedValue extends Callback {
28    /**
29     * Return the object which the original method invocation should
30     * return. This method is called for <b>every</b> method invocation.
31     * @return an object matching the type of the return value for every
32     * method this callback is mapped to
33     */
34    Object loadObject() throws Exception;
35}
36