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package xfuzzy.lang;
/**
* Clase que describe una llamada a un bloque no difuso
*
* @author Francisco Jos� Moreno Velo
*
*/
public class CrispBlockCall implements ModuleCall {
//----------------------------------------------------------------------------//
// MIEMBROS PRIVADOS //
//----------------------------------------------------------------------------//
/**
* Referencia al bloque al que se realiza la llamada
*/
private CrispBlock block;
/**
* Referencia a las variables de entrada de la llamada
*/
private Variable inputvar[];
/**
* Referencia a la variable de salida de la llamada
*/
private Variable outputvar;
//----------------------------------------------------------------------------//
// CONSTRUCTOR //
//----------------------------------------------------------------------------//
/**
* Construye una llamada sin asignar las variables
*/
public CrispBlockCall(CrispBlock block) {
this.block = block;
this.block.link();
this.inputvar = new Variable[block.inputs()];
this.outputvar = null;
}
/**
* Construye una llamada asignando las variables
*/
public CrispBlockCall(CrispBlock block,Variable inputvar[],Variable outputvar){
this.block = block;
this.block.link();
this.inputvar = inputvar;
for(int i=0; i<inputvar.length; i++)
if(inputvar[i] != null) inputvar[i].link();
this.outputvar = outputvar;
if(outputvar != null) outputvar.link();
}
//----------------------------------------------------------------------------//
// M�TODOS P�BLICOS //
//----------------------------------------------------------------------------//
/**
* Obtiene el nombre del objeto llamado
*/
public String getName() {
return this.block.getName();
}
/**
* Genera la descripci�n XFL3 de la llamada
*/
public String toXfl() {
String eol = System.getProperty("line.separator", "\n");
String code = " "+block.getLabel()+"(";
for(int i=0; i<inputvar.length; i++) {
code += (i==0? "": ", ");
code += (inputvar[i] == null? "null" : inputvar[i].getName());
}
code += " : "+(outputvar == null? "null" : outputvar.getName());
code += ");"+eol;
return code;
}
/**
* Obtiene la referencia al bloque no difuso
*/
public CrispBlock getCrispBlock() {
return block;
}
/**
* Intercambia el bloque no difuso
*/
public void exchangeBlock(CrispBlock oldblock, CrispBlock newblock) {
if(block != oldblock) return;
oldblock.unlink();
block = newblock;
newblock.link();
}
/**
* Obtiene el n�mero de variables de entrada
*/
public int getNumberOfInputs() {
return this.block.inputs();
}
/**
* Obtiene el n�mero de variables de salida
*/
public int getNumberOfOutputs() {
return 1;
}
/**
* Obtiene las variables del sistema utilizadas como entradas
*/
public Variable[] getInputVariables() {
return inputvar;
}
/**
* Obtiene la variable del sistema utilizada como salida
*/
public Variable getOutputVariable() {
return outputvar;
}
/**
* Obtiene la variable del sistema utilizada como salida
*/
public Variable[] getOutputVariables() {
Variable v[] = new Variable[1];
v[0] = outputvar;
return v;
}
/**
* Asigna la lista de variables de entrada del sistema
*/
public void setInputVariables(Variable[] var) {
for(int i=0; i<inputvar.length; i++) {
if(inputvar[i] != null) this.inputvar[i].unlink();
this.inputvar[i] = var[i];
if(inputvar[i] != null) this.inputvar[i].link();
}
}
/**
* Asigna una variable de entrada del sistema
*/
public void setInputVariable(int index, Variable var) {
if(inputvar[index] != null) this.inputvar[index].unlink();
this.inputvar[index] = var;
if(inputvar[index] != null) this.inputvar[index].link();
}
/**
* Asigna la variable de salida del sistema
*/
public void setOutputVariable(Variable var) {
if(outputvar != null) this.outputvar.unlink();
this.outputvar = var;
if(outputvar != null) this.outputvar.link();
}
/**
* Asigna la variable de salida del sistema
*/
public void setOutputVariable(int index, Variable var) {
if(outputvar != null) this.outputvar.unlink();
this.outputvar = var;
if(outputvar != null) this.outputvar.link();
}
/**
* Calcula la ejecuci�n del bloque
*/
public void compute() {
try {
double input[] = new double[inputvar.length];
for(int i=0; i<inputvar.length; i++) input[i] = inputvar[i].getCrispValue();
outputvar.set( block.compute(input) );
} catch(Exception ex) {}
}
/**
* Calcula la derivada
*/
public void derivative(double[] deriv) throws XflException {
throw new XflException(19);
}
/**
* Calcula la derivada
*/
public void derivative() throws XflException {
throw new XflException(19);
}
/**
* Elimina los enlaces para poder eliminar el objeto
*/
public void dispose() {
for(int i=0; i<inputvar.length; i++)
if(inputvar[i] != null) inputvar[i].unlink();
if(outputvar != null) outputvar.unlink();
block.unlink();
}
/**
* Obtiene los valores difusos de las salidas
*/
public MemFunc[] getFuzzyValues() {
MemFunc mf[] = new MemFunc[1];
mf[0] = outputvar.getValue();
return mf;
}
}