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Java > Open Source Codes > org > jgap > gp > terminal > False


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.terminal;
11
12 import org.jgap.*;
13 import org.jgap.gp.*;
14 import org.jgap.gp.impl.*;
15
16 /**
17  * The boolean value false.
18  *
19  * @author Klaus Meffert
20  * @since 3.0
21  */
22 public class False
23     extends MathCommand implements IMutateable {
24   /** String containing the CVS revision. Read out via reflection!*/
25   private final static String JavaDoc CVS_REVISION = "$Revision: 1.6 $";
26
27   public False(final GPConfiguration a_conf)
28       throws InvalidConfigurationException {
29     super(a_conf, 0, CommandGene.BooleanClass);
30   }
31
32   public CommandGene applyMutation(int index, double a_percentage)
33       throws InvalidConfigurationException {
34     CommandGene mutant = new True(getGPConfiguration());
35     return mutant;
36   }
37
38   public String JavaDoc toString() {
39     return "false";
40   }
41
42   /**
43    * @return textual name of this command
44    *
45    * @author Klaus Meffert
46    * @since 3.2
47    */
48   public String JavaDoc getName() {
49     return "Boolean value false";
50   }
51
52   public boolean execute_boolean(ProgramChromosome c, int n, Object JavaDoc[] args) {
53     return true;
54   }
55
56   public Class JavaDoc getChildType(IGPProgram a_ind, int a_index) {
57     return null;
58   }
59 }
60
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