[Tail-cvs] Tail/src/java/net/sf/tail/indicator/tracker SMAIndicator.java, 1.3 EMAIndicator.java, 1.3

[Márcio V. d. S. <mv...@us...>]

Update of /cvsroot/tail/Tail/src/java/net/sf/tail/indicator/tracker
In directory sc8-pr-cvs10.sourceforge.net:/tmp/cvs-serv31643/src/java/net/sf/tail/indicator/tracker

Modified Files:
	SMAIndicator.java EMAIndicator.java 
Log Message:
Continuando a readaptar as classes

Index: EMAIndicator.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/indicator/tracker/EMAIndicator.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** EMAIndicator.java	12 May 2007 14:23:35 -0000	1.2
--- EMAIndicator.java	12 May 2007 17:34:01 -0000	1.3
***************
*** 5,17 ****
  public class EMAIndicator implements Indicator<Double> {
  
! 
  	public EMAIndicator(Indicator<? extends Number> indicator, int timeFrame) {
! 
  	}
  
  	public Double getValue(int index) {
! 		return 0.0;
  	}
  
! 
  }
--- 5,53 ----
  public class EMAIndicator implements Indicator<Double> {
  
! 	private final Indicator<? extends Number> indicator;
! 	private final int timeFrame;
! 	private Double[] resultsList;
! 	
  	public EMAIndicator(Indicator<? extends Number> indicator, int timeFrame) {
! 		this.indicator = indicator;
! 		this.timeFrame = timeFrame;
! 		resultsList = new Double[100];
  	}
  
  	public Double getValue(int index) {
! 		if(resultsList.length <= index ) {
! 			resultsList = increaseLenght(resultsList);
! 		}
! 		if(resultsList[index] == null){
! 			resultsList[index] = calculate(index);
! 		}		
! 		return resultsList[index];
  	}
  
! 	private Double[] increaseLenght(Double[] array) {
! 		Double[] tmpDouble = new Double[array.length*2];
! 		for (int i = 0; i < array.length; i++) {
! 			tmpDouble[i] = array[i];
! 		}
! 		return tmpDouble;
! 	}
! 	
! 	private double multiplier(){
! 		return 2 / (timeFrame + 1); 
! 	}
! 	
! 	private Double calculate(int index) {
! 		
! 		if(index + 1 < timeFrame){
! 			return new SMAIndicator(indicator,timeFrame).getValue(index);
! 		}
! 		
! 		double emaPrev = getValue(index - 1).doubleValue();
! 		double result = ( ( indicator.getValue(index).doubleValue()  - emaPrev ) * multiplier()) + emaPrev;
! 		
! 		
! 		return result;
! 	
! 		
! 	}
  }

Index: SMAIndicator.java
===================================================================
RCS file: /cvsroot/tail/Tail/src/java/net/sf/tail/indicator/tracker/SMAIndicator.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** SMAIndicator.java	12 May 2007 14:23:35 -0000	1.2
--- SMAIndicator.java	12 May 2007 17:34:01 -0000	1.3
***************
*** 1,6 ****
  package net.sf.tail.indicator.tracker;
  
- import java.util.ArrayList;
- import java.util.List;
  import net.sf.tail.Indicator;
  
--- 1,4 ----
***************
*** 9,27 ****
  	private final Indicator<? extends Number> indicator;
  	private final int timeFrame;
! 	private List<Double> resultsList;
  
  	public SMAIndicator(Indicator<? extends Number> indicator, int timeFrame) {
  		this.indicator = indicator;
  		this.timeFrame = timeFrame;
! 		resultsList = new ArrayList<Double>();
  	}
  
  	public Double getValue(int index) {
  
! 		if(resultsList.get(index) != null) {
! 			return resultsList.get(index);
  		}
! 		return calculate(index);
! 		
  	}
  
--- 7,36 ----
  	private final Indicator<? extends Number> indicator;
  	private final int timeFrame;
! 	private Double[] resultsList;
  
  	public SMAIndicator(Indicator<? extends Number> indicator, int timeFrame) {
  		this.indicator = indicator;
  		this.timeFrame = timeFrame;
! 		resultsList = new Double[100];
  	}
  
  	public Double getValue(int index) {
  
! 		if(resultsList.length <= index ) {
! 			resultsList = increaseLenght(resultsList);
  		}
! 		if(resultsList[index] == null){
! 			resultsList[index] = calculate(index);
! 		}		
! 		return resultsList[index];
! 
! 	}
! 
! 	private Double[] increaseLenght(Double[] array) {
! 		Double[] tmpDouble = new Double[array.length*2];
! 		for (int i = 0; i < array.length; i++) {
! 			tmpDouble[i] = array[i];
! 		}
! 		return tmpDouble;
  	}
  
***************
*** 31,45 ****
  			sum += indicator.getValue(i).doubleValue();						
  		}
! 		double result = sum / Math.min(timeFrame, index + 1);
! 
! 		/** Armazenando todos resultados já calculados na lista. **/
! 		resultsList.add(index, result);
! 		
! 		return result;
  	}
  
- 	public List<Double> getResultsList() {
- 		return resultsList;
- 	}
  
  }
--- 40,47 ----
  			sum += indicator.getValue(i).doubleValue();						
  		}
! 	
! 		return sum / Math.min(timeFrame, index + 1);
  	}
  
  
  }