alluxio.collections

Class BuiltinBitSet

java.lang.Object

alluxio.collections.BuiltinBitSet

All Implemented Interfaces:

BitSet

public class BuiltinBitSet
extends Object
implements BitSet

This class is a wrapper of java's builtin BitSet.

Constructor Summary

Constructors

Constructor and Description
BuiltinBitSet(int nbits) Creates a new bit set.

Method Summary

Modifier and Type	Method and Description
void	clear(int index) Sets the bit specified by the index to false.
boolean	get(int index)
void	set(int index) Sets the bit at the specified index to true.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

BuiltinBitSet

public BuiltinBitSet(int nbits)

Creates a new bit set. All bits are initially false.

Parameters:

nbits - the number of bits

Method Detail

get

public boolean get(int index)

Specified by:

get in interface BitSet

Parameters:

index - the index of the bit to get

Returns:

the bit value of the specified index

set

public void set(int index)

Description copied from interface: BitSet

Sets the bit at the specified index to true.

Specified by:

set in interface BitSet

Parameters:

index - the index of the bit to be set

clear

public void clear(int index)

Description copied from interface: BitSet

Sets the bit specified by the index to false.

Specified by:

clear in interface BitSet

Parameters:

index - the index of the bit to be cleared

size

public int size()

Specified by:

size in interface BitSet

Returns:

the number of bits currently in this bit set