org.jowidgets.util

Class Interval<NUMBER_TYPE extends java.lang.Number>

java.lang.Object

org.jowidgets.util.Interval<NUMBER_TYPE>

public final class Interval<NUMBER_TYPE extends java.lang.Number>
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Interval(NUMBER_TYPE leftBoundary, boolean leftOpen, NUMBER_TYPE rightBoundary, boolean rightOpen)
Interval(NUMBER_TYPE leftBoundary, NUMBER_TYPE rightBoundary)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	contains(NUMBER_TYPE number) Checks if a number is contained in an interval
NUMBER_TYPE	getLeftBoundary()
NUMBER_TYPE	getRightBoundary()
Interval<NUMBER_TYPE>	intersect(Interval<NUMBER_TYPE> interval) Calculates the intersection of this interval and the given interval If the intersection is the empty interval, null will be returned
boolean	isLeftOpen()
boolean	isRightOpen()
java.lang.String	toString()
Interval<NUMBER_TYPE>	union(Interval<NUMBER_TYPE> interval) Calculates the union of this interval and the given interval If the union can not be calculated, e.g. its not a single interval, null will be returned

Methods inherited from class java.lang.Object

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

Constructor Detail

Interval

public Interval(NUMBER_TYPE leftBoundary,
        NUMBER_TYPE rightBoundary)

Interval

public Interval(NUMBER_TYPE leftBoundary,
        boolean leftOpen,
        NUMBER_TYPE rightBoundary,
        boolean rightOpen)

Method Detail

getLeftBoundary

public NUMBER_TYPE getLeftBoundary()

isLeftOpen

public boolean isLeftOpen()

getRightBoundary

public NUMBER_TYPE getRightBoundary()

isRightOpen

public boolean isRightOpen()

intersect

public Interval<NUMBER_TYPE> intersect(Interval<NUMBER_TYPE> interval)

Calculates the intersection of this interval and the given interval If the intersection is the empty interval, null will be returned

Parameters:

interval - The interval to intersect with

Returns:

The intersection interval or null, if the intersection is empty

union

public Interval<NUMBER_TYPE> union(Interval<NUMBER_TYPE> interval)

Calculates the union of this interval and the given interval If the union can not be calculated, e.g. its not a single interval, null will be returned

Parameters:

interval - The interval to calculate the union with

Returns:

The union interval or null

contains

public boolean contains(NUMBER_TYPE number)

Checks if a number is contained in an interval

Parameters:

number - The number to check

Returns:

True if contained, false otherwise

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object