KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > edu > rice > cs > util > Lambda


1 /*BEGIN_COPYRIGHT_BLOCK
2  *
3  * This file is part of DrJava. Download the current version of this project:
4  * http://sourceforge.net/projects/drjava/ or http://www.drjava.org/
5  *
6  * DrJava Open Source License
7  *
8  * Copyright (C) 2001-2003 JavaPLT group at Rice University (javaplt@rice.edu)
9  * All rights reserved.
10  *
11  * Developed by: Java Programming Languages Team
12  * Rice University
13  * http://www.cs.rice.edu/~javaplt/
14  *
15  * Permission is hereby granted, free of charge, to any person obtaining a
16  * copy of this software and associated documentation files (the "Software"),
17  * to deal with the Software without restriction, including without
18  * limitation the rights to use, copy, modify, merge, publish, distribute,
19  * sublicense, and/or sell copies of the Software, and to permit persons to
20  * whom the Software is furnished to do so, subject to the following
21  * conditions:
22  *
23  * - Redistributions of source code must retain the above copyright
24  * notice, this list of conditions and the following disclaimers.
25  * - Redistributions in binary form must reproduce the above copyright
26  * notice, this list of conditions and the following disclaimers in the
27  * documentation and/or other materials provided with the distribution.
28  * - Neither the names of DrJava, the JavaPLT, Rice University, nor the
29  * names of its contributors may be used to endorse or promote products
30  * derived from this Software without specific prior written permission.
31  * - Products derived from this software may not be called "DrJava" nor
32  * use the term "DrJava" as part of their names without prior written
33  * permission from the JavaPLT group. For permission, write to
34  * javaplt@rice.edu.
35  *
36  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
37  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
38  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
39  * THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
40  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
41  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42  * OTHER DEALINGS WITH THE SOFTWARE.
43  *
44 END COMPYRIGHT BLOCK */
45
46 package edu.rice.cs.util;
47
48 /**
49  * This lambda interface is a generic version of the scheme lambda.
50  * It is meant to be instantiated anonymously within methods to exploit
51  * the closure of the method and abstract pieces of code.
52  */
53 public interface Lambda<Out,In> {
54
55     /**
56      * Runs the desired code given the parameter specified
57      */
58     public Out apply(In param);
59
60 }
61
Popular Tags