#REFACTORING by stefan
class: BooleanBlockValue
changed:
#&
#logicalNot
#|
use "self class" when refering to own class
"
COPYRIGHT (c) 2008 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
"{ Package: 'stx:libview2' }"
"{ NameSpace: Smalltalk }"
BlockValue subclass:#BooleanBlockValue
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'Interface-Support-Models'
!
!BooleanBlockValue class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 2008 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
! !
!BooleanBlockValue methodsFor:'logical operations'!
& anotherBooleanValueHolder
"return another valueHolder, which returns the logical and of myself and another valueHolder"
^ self class
forLogical:self and:anotherBooleanValueHolder
"
|b1 b2 a|
b1 := BooleanValueHolder new.
b2 := BooleanValueHolder new.
a := b1 & b2.
b1 value:false.
b2 value:true.
a value.
b1 value:true.
a value.
"
!
logicalNot
"return another valueHolder, which returns the logical not of myself"
^ self class forLogicalNot:self.
"
|b nb|
b := BooleanValueHolder new.
nb := b not.
b value:true.
nb value.
b value:false.
nb value.
"
!
| anotherBooleanValueHolder
"return another valueHolder, which returns the logical or of myself and another valueHolder"
^ self class
forLogical:self or:anotherBooleanValueHolder
"
|b1 b2 o|
b1 := BooleanValueHolder new.
b2 := BooleanValueHolder new.
o := b1 | b2.
b1 value:false.
b2 value:false.
o value.
b1 value:true.
o value.
"
"Modified (comment): / 27-07-2013 / 09:54:54 / cg"
! !
!BooleanBlockValue class methodsFor:'documentation'!
version
^ '$Header$'
!
version_CVS
^ '$Header$'
! !