tail-cvs

[Márcio V. d. S. <mv...@us...>]

Update of /cvsroot/tail/Tail/src/java/net/sf/tail/strategy
In directory sc8-pr-cvs10.sourceforge.net:/tmp/cvs-serv3655/src/java/net/sf/tail/strategy

Modified Files:
	MinValueStarterStrategy.java AlwaysOperateStrategy.java 
	DistanceBetweenIndicatorsStrategy.java 
	IndicatorOverIndicatorStrategy.java ResistanceStrategy.java 
	PipeEnterStrategy.java SupportStrategy.java 
	MinValueStopperStrategy.java JustBuyOnceStrategy.java 
	IndicatorCrossedIndicatorStrategy.java 
Added Files:
	AbstractStrategy.java 
Log Message:
Refatoração das Strategies (criação do template method AbstractStrategy)

Index: PipeEnterStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/PipeEnterStrategy.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** PipeEnterStrategy.java	8 Jun 2007 15:11:16 -0000	1.5
--- PipeEnterStrategy.java	14 Jun 2007 20:48:01 -0000	1.6
***************
*** 2,6 ****
  
  import net.sf.tail.Indicator;
- import net.sf.tail.Strategy;
  import net.sf.tail.Trade;
  import net.sf.tail.indicator.helper.CrossIndicator;
--- 2,5 ----
***************
*** 15,25 ****
   * 
   */
! public class PipeEnterStrategy implements Strategy {
! 
! 	private final Indicator<? extends Number> upper;
! 
! 	private final Indicator<? extends Number> lower;
! 
! 	private final Indicator<? extends Number> value;
  
  	private final Indicator<Boolean> crossUp;
--- 14,18 ----
   * 
   */
! public class PipeEnterStrategy extends AbstractStrategy {
  
  	private final Indicator<Boolean> crossUp;
***************
*** 29,83 ****
  	public PipeEnterStrategy(Indicator<? extends Number> upper, Indicator<? extends Number> lower,
  			Indicator<? extends Number> value) {
- 		this.upper = upper;
- 		this.lower = lower;
- 		this.value = value;
  		crossUp = new CrossIndicator(value, upper);
  		crossDown = new CrossIndicator(lower, value);
  	}
  
! //	public Operation shouldEnter(int index) {
! //		if (crossUp.getValue(index))
! //			return new Operation(index, OperationType.SELL);
! //		if (crossDown.getValue(index))
! //			return new Operation(index, OperationType.BUY);
! //		return null;
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		if (crossDown.getValue(index))
! //			return new Operation(index, OperationType.BUY);
! //		if (crossUp.getValue(index))
! //			return new Operation(index, OperationType.SELL);
! //		return null;
! //	}
! 
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			if (crossUp.getValue(index))
! 				return trade.exit(index);
! 			
! 			if (crossDown.getValue(index))
! 				return trade.enter(index);
! 		} 
! 		else if (trade.isOpened()) {
! 			if (crossDown.getValue(index))
! 				return trade.enter(index);
! 			
! 			if (crossUp.getValue(index))
! 				return trade.exit(index);
! 		}
  		return false;
  	}
  
! 	public Indicator<? extends Number> getLower() {
! 		return lower;
! 	}
! 
! 	public Indicator<? extends Number> getUpper() {
! 		return upper;
! 	}
! 
! 	public Indicator<? extends Number> getValue() {
! 		return value;
  	}
  
--- 22,47 ----
  	public PipeEnterStrategy(Indicator<? extends Number> upper, Indicator<? extends Number> lower,
  			Indicator<? extends Number> value) {
  		crossUp = new CrossIndicator(value, upper);
  		crossDown = new CrossIndicator(lower, value);
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		if (crossUp.getValue(index))
! 			return trade.exit(index);
! 		
! 		if (crossDown.getValue(index))
! 			return trade.enter(index);
  		return false;
  	}
  
! 	@Override
! 	protected boolean shouldExit(Trade trade, int index) {
! 		if (crossDown.getValue(index))
! 			return trade.enter(index);
! 		
! 		if (crossUp.getValue(index))
! 			return trade.exit(index);
! 		return false;
  	}
  

Index: AlwaysOperateStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/AlwaysOperateStrategy.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** AlwaysOperateStrategy.java	8 Jun 2007 15:11:16 -0000	1.2
--- AlwaysOperateStrategy.java	14 Jun 2007 20:48:01 -0000	1.3
***************
*** 1,27 ****
  package net.sf.tail.strategy;
  
- import net.sf.tail.Strategy;
  import net.sf.tail.Trade;
  
! public class AlwaysOperateStrategy implements Strategy {
! 
! //	public Operation shouldEnter(int index) {
! //		// TODO Auto-generated method stub
! //		return null;
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		// TODO Auto-generated method stub
! //		return null;
! //	}
  
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			return trade.enter(index);
! 		} else if (trade.isOpened()) {
! 			return trade.exit(index);
! 		}
! 		return false;
  	}
  
  }
--- 1,16 ----
  package net.sf.tail.strategy;
  
  import net.sf.tail.Trade;
  
! public class AlwaysOperateStrategy extends AbstractStrategy {
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		return trade.enter(index);
  	}
  
+ 	@Override
+ 	protected boolean shouldExit(Trade trade, int index) {
+ 		return trade.exit(index);
+ 	}
  }

Index: IndicatorOverIndicatorStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/IndicatorOverIndicatorStrategy.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** IndicatorOverIndicatorStrategy.java	8 Jun 2007 15:11:16 -0000	1.4
--- IndicatorOverIndicatorStrategy.java	14 Jun 2007 20:48:01 -0000	1.5
***************
*** 2,9 ****
  
  import net.sf.tail.Indicator;
- import net.sf.tail.Strategy;
  import net.sf.tail.Trade;
  
! public class IndicatorOverIndicatorStrategy implements Strategy {
  
  	private Indicator<Double> first;
--- 2,8 ----
  
  import net.sf.tail.Indicator;
  import net.sf.tail.Trade;
  
! public class IndicatorOverIndicatorStrategy extends AbstractStrategy{
  
  	private Indicator<Double> first;
***************
*** 16,47 ****
  	}
  
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			if (first.getValue(index).compareTo(second.getValue(index)) < 0) {
! 				return trade.enter(index);
! 			}
  		}
  
! 		else if (trade.isOpened()) {
! 			if (first.getValue(index).compareTo(second.getValue(index)) > 0) {
! 				return trade.exit(index);
! 			}
  		}
  		return false;
  	}
- 
- //	public Operation shouldEnter(int index) {
- //		if (first.getValue(index).compareTo(second.getValue(index)) < 0) {
- //			return new Operation(index, OperationType.BUY);
- //		}
- //		return null;
- //	}
- //
- //	public Operation shouldExit(Operation entry, int index) {
- //		if (first.getValue(index).compareTo(second.getValue(index)) > 0) {
- //			return new Operation(index, OperationType.SELL);
- //		}
- //		return null;
- //	}
- 
  }
--- 15,32 ----
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		if (first.getValue(index).compareTo(second.getValue(index)) < 0) {
! 			return trade.enter(index);
  		}
+ 		return false;
+ 	}
  
! 	@Override
! 	protected boolean shouldExit(Trade trade, int index) {
! 		if (first.getValue(index).compareTo(second.getValue(index)) > 0) {
! 			return trade.exit(index);
  		}
  		return false;
  	}
  }

Index: DistanceBetweenIndicatorsStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/DistanceBetweenIndicatorsStrategy.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** DistanceBetweenIndicatorsStrategy.java	8 Jun 2007 15:11:15 -0000	1.4
--- DistanceBetweenIndicatorsStrategy.java	14 Jun 2007 20:48:01 -0000	1.5
***************
*** 2,6 ****
  
  import net.sf.tail.Indicator;
- import net.sf.tail.Strategy;
  import net.sf.tail.Trade;
  
--- 2,5 ----
***************
*** 15,27 ****
   * 
   */
! public class DistanceBetweenIndicatorsStrategy implements Strategy {
  
! 	private Indicator<? extends Number> upper;
  
! 	private Indicator<? extends Number> lower;
  
! 	private double distance;
  
! 	private double difference;
  
  	public DistanceBetweenIndicatorsStrategy(Indicator<? extends Number> upper, Indicator<? extends Number> lower,
--- 14,26 ----
   * 
   */
! public class DistanceBetweenIndicatorsStrategy extends AbstractStrategy{
  
! 	Indicator<? extends Number> upper;
  
! 	Indicator<? extends Number> lower;
  
! 	double distance;
  
! 	double difference;
  
  	public DistanceBetweenIndicatorsStrategy(Indicator<? extends Number> upper, Indicator<? extends Number> lower,
***************
*** 33,78 ****
  	}
  
! //	public Operation shouldEnter(int index) {
! //		if ((upper.getValue(index).doubleValue() - lower.getValue(index).doubleValue()) >= (difference + 1.0)
! //				* distance) {
! //			return new Operation(index, OperationType.BUY);
! //		}
! //		return null;
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		if ((upper.getValue(index).doubleValue() - lower.getValue(index).doubleValue()) <= (1.0 - difference)
! //				* distance) {
! //			return new Operation(index, OperationType.SELL);
! //		}
! //		return null;
! //	}
! 
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			if ((upper.getValue(index).doubleValue() - lower.getValue(index).doubleValue()) >= (difference + 1.0)
! 					* distance) {
! 				return trade.enter(index);
! 			}
! 		} 
! 		else if (trade.isOpened()) {
! 			if ((upper.getValue(index).doubleValue() - lower.getValue(index).doubleValue()) <= (1.0 - difference)
! 					* distance) {
! 				return trade.exit(index);
! 			}
  		}
- 
  		return false;
  	}
  
  }
- 
- // TODO APAGAR ISTO DEPOIS DA REFATORACAO
- //if (trade.isNew()) {
- //		return trade.enter(index);
- //	}
- //} 
- //else if (trade.isOpened()) {
- //		return trade.exit(index);
- //	}
- //}
--- 32,51 ----
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		if ((upper.getValue(index).doubleValue() - lower.getValue(index).doubleValue()) >= (difference + 1.0)
! 				* distance) {
! 			return trade.enter(index);
  		}
  		return false;
  	}
  
+ 	@Override
+ 	protected boolean shouldExit(Trade trade, int index) {
+ 		if ((upper.getValue(index).doubleValue() - lower.getValue(index).doubleValue()) <= (1.0 - difference)
+ 				* distance) {
+ 			return trade.exit(index);
+ 		}
+ 		return false;
+ 	}
  }

Index: MinValueStarterStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/MinValueStarterStrategy.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** MinValueStarterStrategy.java	8 Jun 2007 15:11:15 -0000	1.6
--- MinValueStarterStrategy.java	14 Jun 2007 20:48:01 -0000	1.7
***************
*** 10,14 ****
   * venda nessa mesma {@link Strategy}
   */
! public class MinValueStarterStrategy implements Strategy {
  
  	private Strategy strategy;
--- 10,14 ----
   * venda nessa mesma {@link Strategy}
   */
! public class MinValueStarterStrategy extends AbstractStrategy{
  
  	private Strategy strategy;
***************
*** 24,54 ****
  	}
  
! //	public Operation shouldEnter(int index) {
! //		if (indicator.getValue(index).doubleValue() > start) {
! //			return strategy.shouldEnter(index);
! //		}
! //
! //		return null;
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		return strategy.shouldExit(entry, index);
! //	}
! //
! //	public Strategy getStrategy() {
! //		return strategy;
! //	}
! 
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			if (indicator.getValue(index).doubleValue() > start) {
! 				return trade.enter(index);
! 			}
! 		} 
! 		else if (trade.isOpened()) {
! 			return strategy.shouldOperate(trade, index);
  		}
  		return false;
  	}
  
  }
--- 24,39 ----
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		if (indicator.getValue(index).doubleValue() > start) {
! 			return trade.enter(index);
  		}
  		return false;
  	}
  
+ 	@Override
+ 	protected boolean shouldExit(Trade trade, int index) {
+ 		return strategy.shouldOperate(trade, index);
+ 	}
+ 
  }

Index: JustBuyOnceStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/JustBuyOnceStrategy.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** JustBuyOnceStrategy.java	8 Jun 2007 15:11:16 -0000	1.3
--- JustBuyOnceStrategy.java	14 Jun 2007 20:48:01 -0000	1.4
***************
*** 1,32 ****
  package net.sf.tail.strategy;
  
- import net.sf.tail.Strategy;
  import net.sf.tail.Trade;
  
! public class JustBuyOnceStrategy implements Strategy {
! 
! //	private boolean buyed;
! //	private int buyedIndex;
  
! 	public JustBuyOnceStrategy() {
  	}
! 	
! //	public Operation shouldEnter(int index) {
! //		if(!buyed || buyedIndex == index ){
! //			buyed = true;
! //			buyedIndex = index;
! //			return new Operation(index, OperationType.BUY);
! //		}
! //		return null;
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		return null;
! //	}
! 	
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			return trade.enter(index);
! 		}
  		return false;
  	}
--- 1,15 ----
  package net.sf.tail.strategy;
  
  import net.sf.tail.Trade;
  
! public class JustBuyOnceStrategy extends AbstractStrategy {
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		return trade.enter(index);
  	}
! 
! 	@Override
! 	protected boolean shouldExit(Trade trade, int index) {
  		return false;
  	}

Index: ResistanceStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/ResistanceStrategy.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** ResistanceStrategy.java	8 Jun 2007 15:11:16 -0000	1.5
--- ResistanceStrategy.java	14 Jun 2007 20:48:01 -0000	1.6
***************
*** 13,17 ****
   * 
   */
! public class ResistanceStrategy implements Strategy {
  
  	private final Strategy strategy;
--- 13,17 ----
   * 
   */
! public class ResistanceStrategy extends AbstractStrategy {
  
  	private final Strategy strategy;
***************
*** 27,49 ****
  	}
  
! //	public Operation shouldEnter(int index) {
! //		return strategy.shouldEnter(index);
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		if (indicator.getValue(index).doubleValue() >= resistance)
! //			return new Operation(index, OperationType.SELL);
! //		return strategy.shouldExit(entry, index);
! //	}
  
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			return strategy.shouldOperate(trade, index);
! 		} else if (trade.isOpened()) {
! 			if (indicator.getValue(index).doubleValue() >= resistance)
! 				return trade.exit(index);
! 			return strategy.shouldOperate(trade, index);
! 		}
! 		return false;
  	}
  }
--- 27,40 ----
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		return strategy.shouldOperate(trade, index);
! 	}
  
! 	@Override
! 	protected boolean shouldExit(Trade trade, int index) {
! 		if (indicator.getValue(index).doubleValue() >= resistance)
! 			return trade.exit(index);
! 		return strategy.shouldOperate(trade, index);
  	}
  }

Index: SupportStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/SupportStrategy.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** SupportStrategy.java	8 Jun 2007 15:11:16 -0000	1.5
--- SupportStrategy.java	14 Jun 2007 20:48:01 -0000	1.6
***************
*** 12,16 ****
   * 
   */
! public class SupportStrategy implements Strategy {
  
  	private final Strategy strategy;
--- 12,16 ----
   * 
   */
! public class SupportStrategy extends AbstractStrategy {
  
  	private final Strategy strategy;
***************
*** 26,48 ****
  	}
  
! //	public Operation shouldEnter(int index) {
! //		if (indicator.getValue(index).doubleValue() <= support)
! //			return new Operation(index, OperationType.BUY);
! //		return strategy.shouldEnter(index);
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		return strategy.shouldExit(entry, index);
! //	}
  
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			if (indicator.getValue(index).doubleValue() <= support)
! 				return trade.enter(index);
! 			return strategy.shouldOperate(trade, index);
! 		} else if (trade.isOpened()) {
! 			return strategy.shouldOperate(trade, index);
! 		}
! 		return false;
  	}
  }
--- 26,39 ----
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		if (indicator.getValue(index).doubleValue() <= support)
! 			return trade.enter(index);
! 		return strategy.shouldOperate(trade, index);
! 	}
  
! 	@Override
! 	protected boolean shouldExit(Trade trade, int index) {
! 		return strategy.shouldOperate(trade, index);
  	}
  }

Index: MinValueStopperStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/MinValueStopperStrategy.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** MinValueStopperStrategy.java	8 Jun 2007 15:11:16 -0000	1.3
--- MinValueStopperStrategy.java	14 Jun 2007 20:48:01 -0000	1.4
***************
*** 6,16 ****
  
  /**
!  * 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 MinValueStopperStrategy implements Strategy {
  
  	private Strategy strategy;
--- 6,17 ----
  
  /**
!  * 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 MinValueStopperStrategy extends AbstractStrategy{
  
  	private Strategy strategy;
***************
*** 28,67 ****
  	}
  
! //	public Operation shouldEnter(int index) {
! //		if (strategy.shouldEnter(index) == null) {
! //			return null;
! //		}
! //		value = indicator.getValue(index).doubleValue();
! //		return strategy.shouldEnter(index);
! //
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		if (value - (value * (loss / 100)) > indicator.getValue(index).doubleValue()) {
! //			return new Operation(index, OperationType.SELL);
! //		}
! //		return strategy.shouldExit(entry, index);
! //	}
! 	
! 	public boolean shouldOperate(Trade trade, int index) {
! 		// TODO: Código replicado. Template method??
! 		if (trade.isNew()) {
! 			value = indicator.getValue(index).doubleValue();
! 			return strategy.shouldOperate(trade, index);
! 		} else if (trade.isOpened()) {
! 			if (value - (value * (loss / 100)) > indicator.getValue(index).doubleValue()) {
! 				return trade.exit(index);
! 			}
! 			return strategy.shouldOperate(trade, index);
! 		}
! 		return false;
! 	}
! 
! 	public double getLoss() {
! 		return loss;
  	}
  
! 	public Strategy getStrategy() {
! 		return strategy;
  	}
  
--- 29,44 ----
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		value = indicator.getValue(index).doubleValue();
! 		return strategy.shouldOperate(trade, index);
  	}
  
! 	@Override
! 	protected boolean shouldExit(Trade trade, int index) {
! 		if (value - (value * (loss / 100)) > indicator.getValue(index).doubleValue()) {
! 			return trade.exit(index);
! 		}
! 		return strategy.shouldOperate(trade, index);
  	}
  

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

import net.sf.tail.Strategy;
import net.sf.tail.Trade;

public abstract class AbstractStrategy implements Strategy {

	public boolean shouldOperate(Trade trade, int index) {
		if (trade.isNew()) {
			return shouldEnter(trade,index);
		} 
		else if (trade.isOpened()) {
			return shouldExit(trade,index);
		}
		return false;
	}

	protected abstract boolean shouldEnter(Trade trade, int index);
		
	
	protected abstract boolean shouldExit(Trade trade, int index);
}
Index: IndicatorCrossedIndicatorStrategy.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/strategy/IndicatorCrossedIndicatorStrategy.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** IndicatorCrossedIndicatorStrategy.java	8 Jun 2007 15:11:16 -0000	1.5
--- IndicatorCrossedIndicatorStrategy.java	14 Jun 2007 20:48:01 -0000	1.6
***************
*** 2,6 ****
  
  import net.sf.tail.Indicator;
- import net.sf.tail.Strategy;
  import net.sf.tail.Trade;
  import net.sf.tail.indicator.helper.CrossIndicator;
--- 2,5 ----
***************
*** 14,18 ****
   * 
   */
! public class IndicatorCrossedIndicatorStrategy implements Strategy {
  
  	
--- 13,17 ----
   * 
   */
! public class IndicatorCrossedIndicatorStrategy extends AbstractStrategy{
  
  	
***************
*** 27,51 ****
  	}
  
! //	public Operation shouldEnter(int index) {
! //		if (crossUp.getValue(index))
! //			return new Operation(index, OperationType.BUY);
! //		return null;
! //	}
! //
! //	public Operation shouldExit(Operation entry, int index) {
! //		if (crossDown.getValue(index))
! //			return new Operation(index, OperationType.SELL);
! //		return null;
! //	}
  
! 	public boolean shouldOperate(Trade trade, int index) {
! 		if (trade.isNew()) {
! 			if (crossUp.getValue(index)) {
! 				return trade.enter(index);
! 			}
! 		} else if (trade.isOpened()) {
! 			if (crossDown.getValue(index)) {
! 				return trade.exit(index);
! 			}
  		}
  		return false;
--- 26,41 ----
  	}
  
! 	@Override
! 	protected boolean shouldEnter(Trade trade, int index) {
! 		if (crossUp.getValue(index)) {
! 			return trade.enter(index);
! 		}
! 		return false;
! 	}
  
! 	@Override
! 	protected boolean shouldExit(Trade trade, int index) {
! 		if (crossDown.getValue(index)) {
! 			return trade.exit(index);
  		}
  		return false;