net.sourceforge.jasa.report
Class HistoricalDataReport.IncreasingQueryAccelerator

java.lang.Object
  net.sourceforge.jasa.report.HistoricalDataReport.IncreasingQueryAccelerator

All Implemented Interfaces:

java.util.Observer

Enclosing class:

HistoricalDataReport

public class HistoricalDataReport.IncreasingQueryAccelerator
extends java.lang.Object
implements java.util.Observer

a class to speed up queries from GDStrategy regarding the number of shouts above or below a certain price. It is designed based on the pattern of increasing prices queried about.

Field Summary

protected java.util.ListIterator	acceptedAsksI
protected java.util.ListIterator	acceptedBidsI
protected java.util.ListIterator	asksI
protected java.util.ListIterator	bidsI
protected int	numOfAcceptedAsksAbove
protected int	numOfAcceptedBidsBelow
protected int	numOfAsksBelow
protected int	numOfBidsAbove
protected int	numOfRejectedAsksBelow
protected int	numOfRejectedBidsAbove
protected double	priceForAcceptedAsksAbove
protected double	priceForAcceptedBidsBelow
protected double	priceForAsksBelow
protected double	priceForBidsAbove
protected double	priceForRejectedAsksBelow
protected double	priceForRejectedBidsAbove
protected java.util.ListIterator	rejectedAsksI
protected java.util.ListIterator	rejectedBidsI
protected HistoricalDataReport.SortedView	view

Constructor Summary

HistoricalDataReport.IncreasingQueryAccelerator()

HistoricalDataReport.IncreasingQueryAccelerator(HistoricalDataReport.SortedView view)

Method Summary

void	destroy()
int	getNumOfAcceptedAsksAbove(double price)
int	getNumOfAcceptedBidsBelow(double price)
int	getNumOfAsksBelow(double price)
int	getNumOfBidsAbove(double price)
int	getNumOfRejectedAsksBelow(double price)
int	getNumOfRejectedBidsAbove(double price)
void	reset()
protected void	resetForAcceptedAsksAbove()
protected void	resetForAcceptedBidsBelow()
protected void	resetForAsksBelow()
protected void	resetForBidsAbove()
protected void	resetForRejectedAsksBelow()
protected void	resetForRejectedBidsAbove()
protected void	resetIfNeeded()
void	update(java.util.Observable o, java.lang.Object arg)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

asksI

protected java.util.ListIterator asksI

bidsI

protected java.util.ListIterator bidsI

acceptedAsksI

protected java.util.ListIterator acceptedAsksI

acceptedBidsI

protected java.util.ListIterator acceptedBidsI

rejectedAsksI

protected java.util.ListIterator rejectedAsksI

rejectedBidsI

protected java.util.ListIterator rejectedBidsI

numOfAsksBelow

protected int numOfAsksBelow

numOfBidsAbove

protected int numOfBidsAbove

numOfAcceptedAsksAbove

protected int numOfAcceptedAsksAbove

numOfAcceptedBidsBelow

protected int numOfAcceptedBidsBelow

numOfRejectedAsksBelow

protected int numOfRejectedAsksBelow

numOfRejectedBidsAbove

protected int numOfRejectedBidsAbove

priceForAsksBelow

protected double priceForAsksBelow

priceForBidsAbove

protected double priceForBidsAbove

priceForAcceptedAsksAbove

protected double priceForAcceptedAsksAbove

priceForAcceptedBidsBelow

protected double priceForAcceptedBidsBelow

priceForRejectedAsksBelow

protected double priceForRejectedAsksBelow

priceForRejectedBidsAbove

protected double priceForRejectedBidsAbove

view

protected HistoricalDataReport.SortedView view

Constructor Detail

HistoricalDataReport.IncreasingQueryAccelerator

public HistoricalDataReport.IncreasingQueryAccelerator(HistoricalDataReport.SortedView view)

HistoricalDataReport.IncreasingQueryAccelerator

public HistoricalDataReport.IncreasingQueryAccelerator()

Method Detail

destroy

public void destroy()

update

public void update(java.util.Observable o,
                   java.lang.Object arg)

Specified by:

update in interface java.util.Observer

resetIfNeeded

protected void resetIfNeeded()

reset

public void reset()

resetForAsksBelow

protected void resetForAsksBelow()

resetForBidsAbove

protected void resetForBidsAbove()

resetForAcceptedAsksAbove

protected void resetForAcceptedAsksAbove()

resetForAcceptedBidsBelow

protected void resetForAcceptedBidsBelow()

resetForRejectedAsksBelow

protected void resetForRejectedAsksBelow()

resetForRejectedBidsAbove

protected void resetForRejectedBidsAbove()

getNumOfAsksBelow

public int getNumOfAsksBelow(double price)

getNumOfBidsAbove

public int getNumOfBidsAbove(double price)

getNumOfAcceptedAsksAbove

public int getNumOfAcceptedAsksAbove(double price)

getNumOfAcceptedBidsBelow

public int getNumOfAcceptedBidsBelow(double price)

getNumOfRejectedAsksBelow

public int getNumOfRejectedAsksBelow(double price)

getNumOfRejectedBidsAbove

public int getNumOfRejectedBidsAbove(double price)