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"{ Package: 'stx:goodies/xmlsuite/xquery' }"
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"{ NameSpace: XQuery }"
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UpdateCommand subclass:#CompositeCommand
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instanceVariableNames:'commands'
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classVariableNames:''
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poolDictionaries:''
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category:'XQuery-Update Facility'
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!
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!CompositeCommand class methodsFor:'documentation'!
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documentation
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"
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documentation to be added.
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[author:]
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Lukas Wroblewski (wrobll1@merunka)
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[instance variables:]
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[class variables:]
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[see also:]
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"
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!
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history
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"Created: / 02-01-2008 / 13:04:08 / wrobll1"
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! !
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!CompositeCommand class methodsFor:'instance creation'!
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new
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^ self basicNew initialize.
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!
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with: cmd1 with: cmd2
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^self new
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add:cmd1;
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add:cmd2;
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yourself
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! !
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!CompositeCommand class methodsFor:'priorities'!
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priority
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"Superclass says that I am responsible to implement this method"
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self shouldImplement
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! !
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!CompositeCommand methodsFor:'adding & removing'!
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add: cmd
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commands add: cmd
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!CompositeCommand methodsFor:'checks'!
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checkSourceSequence:arg
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"Superclass says that I am responsible to implement this method"
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self shouldNotImplement
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!
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checkTargetSequence:arg
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"Superclass says that I am responsible to implement this method"
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self shouldNotImplement
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! !
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!CompositeCommand methodsFor:'enumerating'!
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do: aBlock
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commands do:aBlock
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!CompositeCommand methodsFor:'executing'!
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execute
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"Superclass says that I am responsible to implement this method"
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self flatten.
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commands := commands asSortedCollection.
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commands do:[:cmd|cmd execute]
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! !
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!CompositeCommand methodsFor:'flattening'!
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flatten
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| flattenedCommandStream |
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flattenedCommandStream := OrderedCollection new writeStream.
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self flattenOn: flattenedCommandStream.
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commands := flattenedCommandStream contents.
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!
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flattenOn: aStream
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commands do:[:cmd|cmd flattenOn: aStream].
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! !
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!CompositeCommand methodsFor:'initialization'!
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initialize
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"Invoked when a new instance is created."
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"/ please change as required (and remove this comment)
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commands := SortedCollection new.
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"/ super initialize. -- commented since inherited method does nothing
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! !
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!CompositeCommand methodsFor:'merging'!
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mergeWith: anotherCmd
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self add: anotherCmd.
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^self
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! !
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!CompositeCommand class methodsFor:'documentation'!
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version
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^ '$Header: /opt/data/cvs/stx/goodies/xmlsuite/xquery/XQuery__CompositeCommand.st,v 1.1 2008-01-02 14:09:05 wrobll1 Exp $'
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! !
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