QuasiNewtonMethodOption.java

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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
//   OPCION DE SELECCION DEL TIPO DE ESTIMACION DEL HESSIANO	//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//

package xfuzzy.xfsl.algorithm;

import xfuzzy.xfsl.*;
import xfuzzy.lang.*;
import xfuzzy.util.*;

public class QuasiNewtonMethodOption implements XfslAlgorithmOption {

 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
 //			CONSTANTES PRIVADAS			//
 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//

 private static final int BFGS = 0;
 private static final int DFP = 1;

 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
 //			MIEMBROS PRIVADOS			//
 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//

 private int equation;
 private XTextForm text;

 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
 //			   CONSTRUCTOR				//
 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//

 public QuasiNewtonMethodOption() {
  this.equation = BFGS;
 }

 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
 //			METODOS PUBLICOS			//
 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//

 //-------------------------------------------------------------//
 // Selecciona la opcion desde el fichero de configuracion      //
 //-------------------------------------------------------------//

 public boolean setOption(String name,double[] param) throws XflException {
  if(name.equals("BFGS")) { equation = BFGS; return true; }
  else if(name.equals("DFP")) { equation = DFP; return true; }
  else return false;
 }

 //-------------------------------------------------------------//
 // Descripcion de la opcion en el fichero de configuracion     //
 //-------------------------------------------------------------//

 public String toCode() {
  if(equation == BFGS) return "xfsl_option(BFGS)";
  if(equation == DFP) return "xfsl_option(DFP)";
  return "";
 }

 //-------------------------------------------------------------//
 // Muestra un campo de seleccion grafica de la opcion          //
 //-------------------------------------------------------------//

 public XTextForm show() {
  String[] method =
   { "Broyden-Fletcher-Goldarfb-Shanno", "Davidon-Fletcher-Powell" };
  this.text = new XTextForm("Method", method, (String[]) null);
  this.text.setSelection(equation);
  return this.text;
 }

 //-------------------------------------------------------------//
 // Lee y verifica los valores introducidos en el campo         //
 //-------------------------------------------------------------//

 public boolean get() {
  equation = text.getSelection();
  return true;
 }

 //-------------------------------------------------------------//
 // Verifica si el metodo elegido es el BFGS			//
 //-------------------------------------------------------------//

 public boolean isBFGS() {
  return (equation == BFGS);
 }
}