FixedValue


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   */
16  package net.sf.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   */
27  public 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

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