File	Doc	Category	Size	Date	Package
ProcessEstimator.java	API Doc	Example	2115	Wed May 18 09:39:02 BST 2005	com.discursive.jccook.math.timeestimate

ProcessEstimator

• java.lang.Object

Fields Summary
private org.apache.commons.math.stat.regression.SimpleRegression	regression
private org.apache.commons.lang.time.StopWatch	stopWatch
private int	units
private int	completed
private int	sampleRate

Constructors Summary
public ProcessEstimator(int numUnits, int sampleRate) this.units = numUnits; this.sampleRate = sampleRate;

Methods Summary
public int	getCompleted() return completed;
public long	getTimeSpent() return stopWatch.getTime();
public int	getUnits() return units;
public long	projectedFinish() return (long) regression.getIntercept();
public long	projectedTimeRemaining() long timeRemaining = projectedFinish() - getTimeSpent(); return timeRemaining;
public void	start() stopWatch.start();
public void	stop() stopWatch.stop();
public void	unitCompleted() completed++; if( completed % sampleRate == 0 ) { long now = System.currentTimeMillis(); regression.addData( units - completed, stopWatch.getTime()); }