openbook.domain

Class Range<N extends Number>

java.lang.Object

openbook.domain.Range<N>

public class Range<N extends Number>
extends Object

A simple numeric range. Minimum value is included, maximum value is excluded.

Author:

Pinaki Poddar

Constructor Summary

Constructors

Constructor and Description
Range(N min, N max) Creates a range.
Range(Object min, Object max)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	adjust(N x) Adjusts this range by the given number.
boolean	contains(Number x) Affirms if the given value is within this range.
<X extends Number> boolean	contains(Range<X> r) Affirms if the given range is within this range.
boolean	equals(Object obj)
N	getMaximum() Gets the maximum value.
N	getMinimum() Gets the minimum value.
int	hashCode()
Class<N>	type()

Methods inherited from class java.lang.Object

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

Constructor Detail

Range

public Range(Object min,
     Object max)

Range

public Range(N min,
     N max)

Creates a range. Empty range i.e. where minimum equals maximum is allowed.

Parameters:

min - non-null minimum value.

max - non-null maximum value.

Method Detail

type

public Class<N> type()

contains

public boolean contains(Number x)

Affirms if the given value is within this range. Minimum is included, maximum is excluded.

Parameters:

x - a non-null value

Returns:

true if the given value is greater than or equals to minimum and less than the maximum.

contains

public <X extends Number> boolean contains(Range<X> r)

Affirms if the given range is within this range. Minimum is included, maximum is excluded.

Parameters:

x - a non-null value

Returns:

true if the given value is greater than or equals to minimum and less than the maximum.

getMinimum

public N getMinimum()

Gets the minimum value.

getMaximum

public N getMaximum()

Gets the maximum value.

adjust

public boolean adjust(N x)

Adjusts this range by the given number.

Parameters:

x - a non-null value.

Returns:

if this range is adjusted by this value.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object