org.apache.hadoop.conf

Class Configuration.IntegerRanges

java.lang.Object

org.apache.hadoop.conf.Configuration.IntegerRanges

All Implemented Interfaces:

Iterable<Integer>

Enclosing class:

Configuration

public static class Configuration.IntegerRanges
extends Object
implements Iterable<Integer>

A class that represents a set of positive integer ranges. It parses strings of the form: "2-3,5,7-" where ranges are separated by comma and the lower/upper bounds are separated by dash. Either the lower or upper bound may be omitted meaning all values up to or over. So the string above means 2, 3, 5, and 7, 8, 9, ...

Constructor Summary

Constructors

Constructor and Description
IntegerRanges()
IntegerRanges(String newValue)

Method Summary

Modifier and Type	Method and Description
int	getRangeStart() Get range start for the first integer range.
boolean	isEmpty()
boolean	isIncluded(int value) Is the given value in the set of ranges
Iterator<Integer>	iterator()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

IntegerRanges

public IntegerRanges()

IntegerRanges

public IntegerRanges(String newValue)

Method Detail

isIncluded

public boolean isIncluded(int value)

Is the given value in the set of ranges

Parameters:

value - the value to check

Returns:

is the value in the ranges?

isEmpty

public boolean isEmpty()

Returns:

true if there are no values in this range, else false.

toString

public String toString()

Overrides:

toString in class Object

getRangeStart

public int getRangeStart()

Get range start for the first integer range.

Returns:

range start.

iterator

public Iterator<Integer> iterator()

Specified by:

iterator in interface Iterable<Integer>