[Tail-cvs] Tail/src/java/net/sf/tail/strategy MinValueStarterStrategy.java, 1.1

[Thies <tg...@us...>]

Update of /cvsroot/tail/Tail/src/java/net/sf/tail/strategy
In directory sc8-pr-cvs10.sourceforge.net:/tmp/cvs-serv4225/src/java/net/sf/tail/strategy

Added Files:
	MinValueStarterStrategy.java 
Log Message:
Estrategia de start

--- NEW FILE: MinValueStarterStrategy.java ---
package net.sf.tail.strategy;

import net.sf.tail.Indicator;
import net.sf.tail.Operation;
import net.sf.tail.OperationType;
import net.sf.tail.Strategy;

/**
 * MinValueStopperStrategy baseia a compra em uma {@link Strategy} enviada como
 * parâmetro, registrando o valor do {@link Indicator} enviado como parâmetro no
 * mesmo índice de compra, e baseia a venda nessa mesma {@link Strategy} desde
 * que o valor registrado do {@link Indicator} na compra não tenha um decréscimo
 * maior que loss %
 * 
 */
public class MinValueStarterStrategy implements Strategy {

	private Strategy strategy;

	private Indicator<? extends Number> indicator;

	private double value;

	public MinValueStarterStrategy(Indicator<? extends Number> indicator, Strategy strategy, double value) {
		this.strategy = strategy;
		this.value = value;
		this.indicator = indicator;
	}

	public Operation shouldEnter(int index) {
		if (value < indicator.getValue(index).doubleValue()) {
			return new Operation(index, OperationType.BUY);
		}

		return strategy.shouldEnter(index);
	}

	public Operation shouldExit(Operation entry, int index) {
		return strategy.shouldExit(entry, index);
	}

	public Strategy getStrategy() {
		return strategy;
	}

}