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HierarchicalList subclass:#HierarchicalClassRevisionList
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instanceVariableNames:'itemComputationList semaphoreCritical itemTask currentItemInTask
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dataColl'
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classVariableNames:'Lobby'
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poolDictionaries:''
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category:'Interface-Browsers-Support'
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!
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!HierarchicalClassRevisionList class methodsFor:'instance creation'!
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new
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^ super new initialize
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! !
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!HierarchicalClassRevisionList methodsFor:'accessing'!
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dataColl
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"return the value of the instance variable 'classRevisionColl' (automatically generated)"
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^ dataColl
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!
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dataColl:something
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"set the value of the instance variable 'classRevisionColl' (automatically generated)"
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dataColl := something.
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!
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icons
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"
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<return: Dictionary of: Symbol->Image>
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"
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|icons|
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icons := Dictionary new.
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icons at:#loadedRevision put:(Smalltalk imageFromFileNamed:'red_ball.xpm' forClass:self class).
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icons at:#unloadedRevision put:(Smalltalk imageFromFileNamed:'green_ball.xpm' forClass:self class).
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icons at:#unloadedClassItem put:(Smalltalk imageFromFileNamed:'small_folder_yellow_grey1.xpm' forClass:self class).
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icons at:#loadingClassItem put:(Smalltalk imageFromFileNamed:'small_folder_yellow_search.xpm' forClass:self class).
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icons at:#loadedClassItem put:(Smalltalk imageFromFileNamed:'small_folder_yellow.xpm' forClass:self class).
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^icons
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!
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itemComputationList
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^ itemComputationList ifNil:[itemComputationList := IdentitySet new]
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!
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semaphoreCritical
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"return the value of the instance variable 'semaphoreCritical' (automatically generated)"
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^ semaphoreCritical ifNil:[semaphoreCritical := RecursionLock new]
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! !
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!HierarchicalClassRevisionList methodsFor:'finalization'!
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disposed
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self stopItemTask.
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Lobby unregister:self.
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! !
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!HierarchicalClassRevisionList methodsFor:'initialization'!
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initialize
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self showRoot:false.
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dataColl := OrderedCollection new.
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self root:ClassItemRootForRevision new.
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Lobby ifNil:[
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Lobby := Registry new.
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].
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Lobby register:self.
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! !
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!HierarchicalClassRevisionList methodsFor:'protocol'!
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getDataForItem: anItem
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self semaphoreCritical critical:[
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|theList|
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currentItemInTask == anItem ifTrue:[^self].
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(theList := self itemComputationList) removeIdentical:anItem ifAbsent:[nil].
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theList add:anItem.
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self startItemTask]
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!
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itemTaskCycle
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|theItem|
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[
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theItem := nil.
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self semaphoreCritical critical:[
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self itemComputationList notEmpty
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ifTrue:[theItem := self itemComputationList remove:(self itemComputationList last) ifAbsent:[nil]]
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].
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(theItem notNil and:[theItem needsChildren])ifTrue:[
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currentItemInTask:=theItem.
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theItem computeRevisions.
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currentItemInTask:=nil
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].
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theItem notNil
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] whileTrue.
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!
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newData: aClassRevisionColl
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dataColl := aClassRevisionColl.
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self root:ClassItemRootForRevision new.
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!
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startItemTask
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self semaphoreCritical critical:[
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itemTask ifNil:[
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itemTask := Process for:[
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self itemTaskCycle
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]
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priority:(Processor userBackgroundPriority).
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itemTask addExitAction:[itemTask := nil].
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itemTask resume.
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].
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].
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!
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stopItemTask
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|task|
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self semaphoreCritical critical:[
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(task := itemTask) notNil ifTrue:[
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itemTask := nil.
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Exception handle:[:ex|] do:[
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task terminateWithAllSubprocesses.
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task waitUntilTerminated.
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]
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]
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].
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! !
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!HierarchicalClassRevisionList class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/libtool/HierarchicalClassRevisionList.st,v 1.1 2000-02-15 16:49:08 ps Exp $'
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! !
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