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package jcgp.backend.resources;
import java.util.Random;
import jcgp.backend.function.Function;
import jcgp.backend.function.FunctionSet;
import jcgp.backend.resources.parameters.IntegerParameter;
/**
*
* The resources class encapsulates all of the resources based on which the program operates.
* Each instance of JCGP contains a single instance of Resources, which gets passed to the selected
* modules as the program executes.
*
* @author Eduardo Pedroni
*
*/
public class Resources {
protected IntegerParameter rows, columns, inputs, outputs, populationSize,
levelsBack, currentGeneration, generations, currentRun, runs,
arity, seed, reportInterval;
protected Random numberGenerator = new Random();
protected FunctionSet functionSet;
// GUI console
protected Console console;
/**
* @return the rows
*/
public int rows() {
return rows.get();
}
/**
* @return the columns
*/
public int columns() {
return columns.get();
}
/**
* @return the inputs
*/
public int inputs() {
return inputs.get();
}
/**
* @return the outputs
*/
public int outputs() {
return outputs.get();
}
/**
* @return the populationSize
*/
public int populationSize() {
return populationSize.get();
}
/**
* @return the levelsBack
*/
public int levelsBack() {
return levelsBack.get();
}
/**
* @return the nodes
*/
public int nodes() {
return columns.get() * rows.get();
}
/**
* @return the currentGeneration
*/
public int currentGeneration() {
return currentGeneration.get();
}
/**
* @return the generations
*/
public int generations() {
return generations.get();
}
/**
* @return the currentRun
*/
public int currentRun() {
return currentRun.get();
}
/**
* @return the runs
*/
public int runs() {
return runs.get();
}
/**
* @return the arity
*/
public int arity() {
return arity.get();
}
/**
* @return the seed
*/
public int seed() {
return seed.get();
}
/**
* @return the report interval
*/
public int reportInterval() {
return reportInterval.get();
}
/*
* Utility functions
*/
public int getRandomInt(int limit) {
return numberGenerator.nextInt(limit);
}
public double getRandomDouble(int limit) {
return numberGenerator.nextDouble() * limit;
}
public double getRandomDouble() {
return numberGenerator.nextDouble();
}
/*
* FunctionSet functions
*/
public Function getRandomFunction() {
Function f = functionSet.getAllowedFunction(numberGenerator.nextInt(functionSet.getAllowedFunctionCount()));
return f;
}
public Function getFunction(int index) {
return functionSet.getAllowedFunction(index);
}
/**
* @return the functionSet
*/
public FunctionSet getFunctionSet() {
return functionSet;
}
public int getFunctionIndex(Function function) {
for (int i = 0; i < functionSet.getTotalFunctionCount(); i++) {
if (function == functionSet.getFunction(i)) {
return i;
}
}
// not found, default to 0
return 0;
}
/*
* Console functionality
* These are affected by parameter report interval
*/
public void reportln(String s) {
if (reportInterval.get() > 0) {
if (currentGeneration.get() % reportInterval.get() == 0) {
System.out.println(s);
if (console != null) {
console.println(s);
}
}
}
}
public void report(String s) {
if (reportInterval.get() > 0) {
if (currentGeneration.get() % reportInterval.get() == 0) {
System.out.print(s);
if (console != null) {
console.print(s);
}
}
}
}
/*
* Console functionality
* These are not affected by parameter report interval
*/
public void println(String s) {
System.out.println(s);
if (console != null) {
console.println(s);
}
}
public void print(String s) {
System.out.print(s);
if (console != null) {
console.print(s);
}
}
}
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