Package org.apache.commons.functor.generator.util

Class LongRange

java.lang.Object

org.apache.commons.functor.generator.BaseGenerator<java.lang.Long>

org.apache.commons.functor.generator.util.LongRange

All Implemented Interfaces:

Generator<java.lang.Long>

public final class LongRange
extends BaseGenerator<java.lang.Long>

A generator for the range from (inclusive) to to (exclusive).

Since:

1.0

Version:

$Revision$ $Date$

Field Summary

Fields

Modifier and Type	Field	Description
private long	from	The start index.
private long	step	The increment counter.
private long	to	The end index.

Constructor Summary

Constructors

Constructor	Description
LongRange(long from, long to)	Create a new LongRange.
LongRange(long from, long to, long step)	Create a new LongRange.
LongRange(java.lang.Number from, java.lang.Number to)	Create a new LongRange.
LongRange(java.lang.Number from, java.lang.Number to, java.lang.Number step)	Create a new LongRange.

Method Summary

Modifier and Type	Method	Description
private static long	defaultStep(long from, long to)	Calculate default step to get from from to to.
boolean	equals(java.lang.Object obj)
int	hashCode()
void	run(UnaryProcedure<? super java.lang.Long> proc)	Generators must implement this method.
private static long	signOf(long value)	Get value/|value| (0L when value == 0L).
java.lang.String	toString()

Methods inherited from class org.apache.commons.functor.generator.BaseGenerator

getWrappedGenerator, isStopped, stop, to, to, toCollection

Methods inherited from class java.lang.Object

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

Field Detail

from

private final long from

The start index.

to

private final long to

The end index.

step

private final long step

The increment counter.

Constructor Detail

LongRange

public LongRange(java.lang.Number from,
                 java.lang.Number to)

Create a new LongRange.

Parameters:

from - start

to - end

LongRange

public LongRange(java.lang.Number from,
                 java.lang.Number to,
                 java.lang.Number step)

Create a new LongRange.

Parameters:

from - start

to - end

step - increment

LongRange

public LongRange(long from,
                 long to)

Create a new LongRange.

Parameters:

from - start

to - end

LongRange

public LongRange(long from,
                 long to,
                 long step)

Create a new LongRange.

Parameters:

from - start

to - end

step - increment

Method Detail

run

public void run(UnaryProcedure<? super java.lang.Long> proc)

Generators must implement this method.

Parameters:

proc - UnaryProcedure to run

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

signOf

private static long signOf(long value)

Get value/|value| (0L when value == 0L).

Parameters:

value - to test

Returns:

long

defaultStep

private static long defaultStep(long from,
                                long to)

Calculate default step to get from from to to.

Parameters:

from - start

to - end

Returns:

long