Source Code Cross Referenced for PowerOfOperation.java in  » GIS » openjump » de » fho » jump » pirol » utilities » FormulaParsing » Operations » Java Source Code / Java DocumentationJava Source Code and Java Documentation

01:        /*
02:         * Created on 29.06.2005 for PIROL
03:         *
04:         * SVN header information:
05:         *  $Author: javamap $
06:         *  $Rev: 856 $
07:         *  $Date: 2007-06-18 21:15:27 -0700 (Mon, 18 Jun 2007) $
08:         *  $Id: PowerOfOperation.java 856 2007-06-19 04:15:27Z javamap $
09:         */
10:        package de.fho.jump.pirol.utilities.FormulaParsing.Operations;
11:
12:        import com.vividsolutions.jump.feature.Feature;
13:
14:        import de.fho.jump.pirol.utilities.FormulaParsing.FormulaValue;
15:
16:        /**
17:         * Class to handle Math.pow() like operations. The result is a value that equals
18:         * <code>Math.pow(value1, value2)</code>.
19:         *
20:         * @author Ole Rahn
21:         * <br>
22:         * <br>FH Osnabr&uuml;ck - University of Applied Sciences Osnabr&uuml;ck,
23:         * <br>Project: PIROL (2005),
24:         * <br>Subproject: Daten- und Wissensmanagement
25:         * 
26:         * @version $Rev: 856 $
27:         * 
28:         */
29:        public class PowerOfOperation extends GenericOperation {
30:
31:            /**
32:             *@param value1
33:             *@param value2
34:             */
35:            public PowerOfOperation(FormulaValue value1, FormulaValue value2) {
36:                super (value1, value2);
37:            }
38:
39:            /**
40:             *@param feature
41:             *@return Math.pow(value1, value2)
42:             */
43:            public double getValue(Feature feature) {
44:                return Math.pow(this .value1.getValue(feature), this .value2
45:                        .getValue(feature));
46:            }
47:
48:            /**
49:             *@inheritDoc
50:             */
51:            public String toString() {
52:                return "Math.pow(" + this .value1.toString() + ", "
53:                        + this .value2.toString() + ")";
54:            }
55:        }