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"{ Package: 'stx:goodies/monticello' }"
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Object subclass:#MCVersionSorter
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instanceVariableNames:'layers depthIndex depths stepparents roots'
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classVariableNames:''
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poolDictionaries:''
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707
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category:'SCM-Monticello-Versioning'
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83
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!
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!MCVersionSorter class methodsFor:'as yet unclassified'!
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new
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^ self basicNew initialize
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! !
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!MCVersionSorter methodsFor:'as yet unclassified'!
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addAllAncestorsOf: aVersionInfo to: aSet
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(aSet includes: aVersionInfo) ifTrue: [^ self].
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aSet add: aVersionInfo.
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(self knownAncestorsOf: aVersionInfo) do:
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[:ea |
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self addAllAncestorsOf: ea to: aSet]
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!
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addAllVersionInfos: aCollection
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aCollection do: [:ea | self addVersionInfo: ea]
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!
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addToCurrentLayer: aVersionInfo
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| layer |
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layer _ layers at: depthIndex.
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(layer includes: aVersionInfo) ifFalse:
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[depths at: aVersionInfo ifPresent:
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[:i |
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i < depthIndex
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ifTrue: [(layers at: i) remove: aVersionInfo]
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ifFalse: [^ false]].
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layer add: aVersionInfo.
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depths at: aVersionInfo put: depthIndex.
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^ true].
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^ false
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!
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addVersionInfo: aVersionInfo
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roots add: aVersionInfo.
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self registerStepChildrenOf: aVersionInfo seen: Set new
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!
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allAncestorsOf: aVersionInfo
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| all |
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all _ Set new.
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self addAllAncestorsOf: aVersionInfo to: all.
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^ all
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!
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initialize
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stepparents _ Dictionary new.
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roots _ OrderedCollection new.
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!
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knownAncestorsOf: aVersionInfo
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^ aVersionInfo ancestors, (self stepParentsOf: aVersionInfo) asArray
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!
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layers
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^ layers
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!
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popLayer
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depthIndex _ depthIndex - 1
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!
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processVersionInfo: aVersionInfo
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(self addToCurrentLayer: aVersionInfo) ifTrue:
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[self pushLayer.
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(self knownAncestorsOf: aVersionInfo) do: [:ea | self processVersionInfo: ea].
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self popLayer]
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!
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pushLayer
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depthIndex _ depthIndex + 1.
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depthIndex > layers size ifTrue: [layers add: OrderedCollection new].
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!
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registerStepChildrenOf: aVersionInfo seen: aSet
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(aSet includes: aVersionInfo) ifTrue: [^ self].
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aSet add: aVersionInfo.
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aVersionInfo stepChildren do: [:ea | (self stepParentsOf: ea) add: aVersionInfo].
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aVersionInfo ancestors do: [:ea | self registerStepChildrenOf: ea seen: aSet].
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!
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sortedVersionInfos
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layers _ OrderedCollection with: OrderedCollection new.
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depthIndex _ 1.
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depths _ Dictionary new.
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roots do: [:ea | self processVersionInfo: ea].
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^ layers gather: [:ea | ea]
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!
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stepParentsOf: aVersionInfo
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^ (stepparents at: aVersionInfo ifAbsentPut: [Set new])
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! !
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!MCVersionSorter class methodsFor:'documentation'!
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version
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707
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^ '$Header: /cvs/stx/stx/goodies/monticello/MCVersionSorter.st,v 1.2 2012-09-11 21:31:08 cg Exp $'
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! !
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