[Tail-cvs] Tail/src/java/net/sf/tail/analysis/evaluator HigherValueEvaluator.java, 1.1 BestStrategyEvaluator.java, NONE

[Márcio V. d. S. <mv...@us...>]

Update of /cvsroot/tail/Tail/src/java/net/sf/tail/analysis/evaluator
In directory sc8-pr-cvs10.sourceforge.net:/tmp/cvs-serv12839/src/java/net/sf/tail/analysis/evaluator

Added Files:
	HigherValueEvaluator.java 
Removed Files:
	BestStrategyEvaluator.java 
Log Message:


--- BestStrategyEvaluator.java DELETED ---

--- NEW FILE: HigherValueEvaluator.java ---
package net.sf.tail.analysis.evaluator;

import java.util.Iterator;
import java.util.Set;

import org.apache.log4j.Logger;

import net.sf.tail.AnalysisCriterion;
import net.sf.tail.StrategyEvaluator;
import net.sf.tail.OperationType;
import net.sf.tail.Runner;
import net.sf.tail.Strategy;
import net.sf.tail.TimeSeries;
import net.sf.tail.runner.HistoryRunner;

public class HigherValueEvaluator implements StrategyEvaluator {

	private static final Logger LOG = Logger.getLogger(HigherValueEvaluator.class);

	private Runner runner;

	public HigherValueEvaluator(Runner runner) {
		this.runner = runner;
	}

	public Decision evaluate(Set<Strategy> strategies, TimeSeries series, AnalysisCriterion criterion) {
		Iterator<Strategy> iter = strategies.iterator();
		Strategy bestStrategy = iter.next();

		Decision bestDecision = new Decision(bestStrategy, series, criterion, runner.run(bestStrategy, series
				.getBegin(), series.getEnd()), runner);

		while (iter.hasNext()) {
			Strategy strategy = iter.next();
			Decision decision = new Decision(strategy, series, criterion, runner.run(strategy, series.getBegin(),
					series.getEnd()), new HistoryRunner(OperationType.BUY));
			double value = decision.evaluateCriterion();
			LOG.info(String.format("For %s, criterion %s, gave %.3f", strategy, criterion.getClass().getSimpleName(),
					value));
			if (value > bestDecision.evaluateCriterion()) {
				//TODO O que fazer com o empate entre criterions??
				bestDecision = decision;
			}
		}
		return bestDecision;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((runner == null) ? 0 : runner.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		final HigherValueEvaluator other = (HigherValueEvaluator) obj;
		if (runner == null) {
			if (other.runner != null)
				return false;
		} else if (!runner.equals(other.runner))
			return false;
		return true;
	}
}