1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.functor;
18
19 /**
20 * A functor that takes no arguments and returns no value.
21 * <p>
22 * Note that this functor implements the
23 * {@link Runnable Runnable}
24 * interface, making all <code>Procedure</code>s
25 * immediately usable in a number of contexts (Swing, Jelly, etc.).
26 * </p>
27 * <p>
28 * Implementors are encouraged but not required to make their functors
29 * {@link java.io.Serializable Serializable}.
30 * </p>
31 *
32 * @since 1.0
33 * @version $Revision: 647290 $ $Date: 2008-04-11 22:08:44 +0200 (Fri, 11 Apr 2008) $
34 * @author Rodney Waldhoff
35 */
36 public interface Procedure extends NullaryFunctor, Runnable {
37 /** Execute this procedure. */
38 void run();
39 }