rafa.math
Class Segment

java.lang.Object
  rafa.math.Segment

public class Segment
extends java.lang.Object

A segment, be it open or closed.

Author:

rafa

Field Summary

protected java.lang.Number	end
protected java.lang.Number	length
protected java.lang.Number	start

Constructor Summary

Segment(java.lang.Number a, java.lang.Number b)
Constructor of a segment.

Method Summary

java.lang.Number	getEnd()
java.lang.Number	getLength()
java.lang.Number	getStart()
void	setEnd(java.lang.Number end) Sets an end point of the segment, maintaining the existing start point.
void	setStart(java.lang.Number start) Sets an end point of the segment, maintaining the existing end point.

Methods inherited from class java.lang.Object

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

Field Detail

start

protected java.lang.Number start

end

protected java.lang.Number end

length

protected java.lang.Number length

Constructor Detail

Segment

public Segment(java.lang.Number a,
               java.lang.Number b)

Constructor of a segment. Either parameter - but not both - can be null to create an open segment.

Parameters:

a - an end point of the segment

b - another end point of the segment

Method Detail

getLength

public java.lang.Number getLength()

Returns:

getStart

public java.lang.Number getStart()

Returns:

setStart

public void setStart(java.lang.Number start)

Sets an end point of the segment, maintaining the existing end point.

Parameters:

start - a new end point. If higher than the existing end point, start and end are swapped.

getEnd

public java.lang.Number getEnd()

Returns:

setEnd

public void setEnd(java.lang.Number end)

Sets an end point of the segment, maintaining the existing start point.

Parameters:

end - a new end point. If lesser than the existing start point, start and end are swapped.