package org.java.evolutionary.sequence;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;

import ec.EvolutionState;
import ec.gp.GPIndividual;
/**
 * This is our simple implementation of Hall of Fame to capture good individuals from the run.
 * It writes to the file instead of holding in memory to be crash safe.
 * @author udaykamath
 *
 */
public class HallOfFame {
	PrintWriter hallOfFameWriter;
	
	public void setup(String fileName){
		try{
			hallOfFameWriter = new PrintWriter(fileName);
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
	public void addTopPopulationToHallOfFame(EvolutionState state, GPIndividual[] inds, int size){
		int total = size;
		if(inds.length < size)
			total = inds.length;
		for(int i =0 ; i < total; i++){
			inds[i].trees[0].printTree(state, hallOfFameWriter) ;
			//hallOfFameWriter.println("\t " + inds[i].fitness.fitness());
		}
		hallOfFameWriter.flush();
	}
	
	
	
	public void flushToFile(EvolutionState state,String fileName){
		try{
			hallOfFameWriter.close();			
		}catch(Exception e){
			e.printStackTrace();
		}
	}

}