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package jcgp.backend.function;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
/**
*
* @author Eduardo Pedroni
*
*/
public abstract class FunctionSet {
protected Function[] functionList;
protected ArrayList<Integer> allowedFunctions;
protected String name;
public int getAllowedFunctionCount() {
return allowedFunctions.size();
}
public int getTotalFunctionCount() {
return functionList.length;
}
public Function getAllowedFunction(int index) {
return functionList[allowedFunctions.get(index)];
}
public Function getFunction(int index) {
return functionList[index];
}
public int getMaxArity(){
int arity = 0;
for (Function function : functionList) {
if (function.getArity() > arity) {
arity = function.getArity();
}
}
return arity;
}
public String getName() {
return name;
}
public void disableFunction(int index) {
if (index < functionList.length) {
for (Iterator<Integer> iterator = allowedFunctions.iterator(); iterator.hasNext();) {
int function = iterator.next();
if (function == index) {
iterator.remove();
break;
}
}
} else {
throw new IndexOutOfBoundsException("Function " + index + " does not exist, the set only has " + functionList.length + " functions.");
}
}
public void enableFunction(int index) {
if (!allowedFunctions.contains(index)) {
allowedFunctions.add(index);
Collections.sort(allowedFunctions);
}
}
@Override
public String toString() {
return name;
}
public boolean isEnabled(Function f) {
for (int i = 0; i < allowedFunctions.size(); i++) {
if (functionList[allowedFunctions.get(i)] == f) {
return true;
}
}
return false;
}
protected void enableAll() {
allowedFunctions = new ArrayList<Integer>();
for (int i = 0; i < functionList.length; i++) {
allowedFunctions.add(i);
}
}
}
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