de.uni_hildesheim.sse.monitoring.runtime.boot

Class Flags

java.lang.Object

de.uni_hildesheim.sse.monitoring.runtime.boot.Flags

public class Flags
extends java.lang.Object

Some operations for working with bit flags.

Since:

1.00

Version:

1.00

Author:

Holger Eichelberger

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Flags() Prevents this class from being instantiated from outside.

Method Summary

Modifier and Type	Method and Description
static int	change(int flags, int mask, boolean set) Turns the given mask on or off in flags.
static boolean	isSet(int flags, int mask) Returns if the given mask is set in flags.
static int	set(int flags, int mask) Turns the given mask on in flags.
static int	unset(int flags, int mask) Turns the given mask off in flags.

Methods inherited from class java.lang.Object

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

Constructor Detail

Flags

private Flags()

Prevents this class from being instantiated from outside.

Since:

1.00

Method Detail

isSet

public static final boolean isSet(int flags,
                                  int mask)

Returns if the given mask is set in flags.

Parameters:

flags - the current flags

mask - the mask to check

Returns:

true if mask is set in flags, false else

Since:

1.00

set

public static final int set(int flags,
                            int mask)

Turns the given mask on in flags.

Parameters:

flags - the current flags

mask - the mask to set

Returns:

the new flags value

Since:

1.00

unset

public static final int unset(int flags,
                              int mask)

Turns the given mask off in flags.

Parameters:

flags - the current flags

mask - the mask to clear

Returns:

the new flags value

Since:

1.00

change

public static final int change(int flags,
                               int mask,
                               boolean set)

Turns the given mask on or off in flags.

Parameters:

flags - the current flags

mask - the mask to clear

set - if true call set(int, int) else unset(int, int).

Returns:

the new flags value

Since:

1.00