org.eclipse.gef.util
Class FlagSupport

java.lang.Object
  org.eclipse.gef.util.FlagSupport

Direct Known Subclasses:

AbstractTool, AbstractTool.Input

public class FlagSupport
extends Object

A structure for storing multiple flags compactly using a 32-bit int.

Constructor Summary

FlagSupport()

Method Summary

protected boolean	getFlag(int flag) Returns true the flag (or one of the flags) indicated by the given bitmask is set to true.
protected void	setFlag(int flag, boolean value) Sets the flag (or all of the flags) indicated by the given bitmask to the given value.

Methods inherited from class java.lang.Object

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

Constructor Detail

FlagSupport

public FlagSupport()

Method Detail

getFlag

protected boolean getFlag(int flag)

Returns true the flag (or one of the flags) indicated by the given bitmask is set to true.

Parameters:

flag - the bitmask of a flag or flags

Returns:

true if one of the flags is true

setFlag

protected void setFlag(int flag,
                       boolean value)

Sets the flag (or all of the flags) indicated by the given bitmask to the given value.

Parameters:

flag - the bitmask of the flag or flags

value - the new value