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Java > Open Source Codes > org > jgap > gp > function > Not


1 /*
2  * This file is part of JGAP.
3  *
4  * JGAP offers a dual license model containing the LGPL as well as the MPL.
5  *
6  * For licencing information please see the file license.txt included with JGAP
7  * or have a look at the top of class org.jgap.Chromosome which representatively
8  * includes the JGAP license policy applicable for any file delivered with JGAP.
9  */
10 package org.jgap.gp.function;
11
12 import org.jgap.*;
13 import org.jgap.gp.*;
14 import org.jgap.gp.impl.*;
15
16 /**
17  * The boolean not operation.
18  *
19  * @author Klaus Meffert
20  * @since 3.0
21  */
22 public class Not
23     extends MathCommand {
24   /** String containing the CVS revision. Read out via reflection!*/
25   private final static String JavaDoc CVS_REVISION = "$Revision: 1.4 $";
26
27   public Not(final GPConfiguration a_conf)
28       throws InvalidConfigurationException {
29     super(a_conf, 1, CommandGene.BooleanClass);
30   }
31
32   public String JavaDoc toString() {
33     return "!&1";
34   }
35
36   /**
37    * @return textual name of this command
38    *
39    * @author Klaus Meffert
40    * @since 3.2
41    */
42   public String JavaDoc getName() {
43     return "Not";
44   }
45
46   public boolean execute_boolean(ProgramChromosome c, int n, Object JavaDoc[] args) {
47     return!c.execute_boolean(n, 0, args);
48   }
49 }
50
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