com.neurosys.utils

Class BitMaskUtil

java.lang.Object

com.neurosys.utils.BitMaskUtil

public class BitMaskUtil
extends Object

Utils for Bit Masking

Author:

Arjun Dhar

Constructor Summary

Constructors

Constructor and Description
BitMaskUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	isBitOn(Integer maskState, int mask) Checks if a particular bit is on or not
static Integer	setMaskOff(Integer maskState, int mask)
static Integer	setMaskOn(Integer maskState, int mask)

Methods inherited from class java.lang.Object

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

Constructor Detail

BitMaskUtil

public BitMaskUtil()

Method Detail

setMaskOn

public static final Integer setMaskOn(Integer maskState,
                                      int mask)

Parameters:

maskState - as Integer (Domain object to maintain state), if null will return mask

mask - as int (The Mask representing the variable)

Returns:

maskState as Integer

setMaskOff

public static final Integer setMaskOff(Integer maskState,
                                       int mask)

Parameters:

maskState - as Integer (Domain object to maintain state), if null will return null

mask - as int (The Mask representing the variable)

Returns:

maskState as Integer

isBitOn

public static final boolean isBitOn(Integer maskState,
                                    int mask)

Checks if a particular bit is on or not

Parameters:

maskState - as Integer (Domain object to maintain state), if null will return false

mask - as int (The Mask representing the variable)

Returns: