MCRepository.st
author Claus Gittinger <cg@exept.de>
Wed, 12 Feb 2014 15:53:41 +0100
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permissions -rw-r--r--
categories
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"{ Package: 'stx:goodies/monticello' }"
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Object subclass:#MCRepository
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	instanceVariableNames:'creationTemplate storeDiffs'
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	classVariableNames:'Settings'
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	poolDictionaries:''
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	category:'SCM-Monticello-Repositories'
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!
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!MCRepository class methodsFor:'initialization'!
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initialize
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        "self initialize"
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    "
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        ExternalSettings registerClient: self.
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    "
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    "Modified: / 13-10-2010 / 14:13:57 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!MCRepository class methodsFor:'as yet unclassified'!
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fillInTheBlankRequest
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	self subclassResponsibility.
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!
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morphicConfigure
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	^ self new
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! !
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!MCRepository class methodsFor:'external settings'!
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fetchExternalSettingsIn: aDirectory
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	"Scan for settings file"
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	"MCRepository fetchExternalSettingsIn: ExternalSettings preferenceDirectory"
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	| stream |
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	(aDirectory fileExists: self settingsFileName)
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		ifFalse: [^self].
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	stream := aDirectory readOnlyFileNamed: self settingsFileName.
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	stream
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		ifNotNil: [
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			[Settings := ExternalSettings parseServerEntryArgsFrom: stream]
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				ensure: [stream close]].
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!
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releaseExternalSettings
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	Settings := nil.
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!
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settingsFileName
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	^ 'mcSettings'
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! !
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910
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!MCRepository class methodsFor:'queries'!
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910
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allConcreteSubclasses
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	^ self withAllSubclasses reject: [:ea | ea isAbstract]
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!
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creationTemplate
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	self subclassResponsibility.
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!
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910
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description
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	^ nil
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!
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910
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isAbstract
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	^ self description isNil
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! !
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!MCRepository methodsFor:'accessing'!
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creationTemplate
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	^ creationTemplate
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!
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creationTemplate: aString
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	self creationTemplate ifNotNil: [ self error: 'Creation template already set for this MCRepository instance.' ].
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	creationTemplate := aString.
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!
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description
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	^ self class name
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! !
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!MCRepository methodsFor:'as yet unclassified'!
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alwaysStoreDiffs
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	^ storeDiffs ifNil: [false]
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!
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asCreationTemplate
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	^ self creationTemplate
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!
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doAlwaysStoreDiffs
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	storeDiffs := true
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!
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doNotAlwaysStoreDiffs
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	storeDiffs := false
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!
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notificationForVersion: aVersion
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	^ MCVersionNotification version: aVersion repository: self
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!
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notifyList
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	^ #()
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!
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prepareVersionForStorage: aVersion
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	^ self alwaysStoreDiffs
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		ifTrue: [aVersion asDiffAgainst:
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				 (self closestAncestorVersionFor: aVersion info ifNone: [^ aVersion])]
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		ifFalse: [aVersion]
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!
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sendNotificationsForVersion: aVersion
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	| notification notifyList |
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	notifyList := self notifyList.
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	notifyList isEmpty ifFalse:
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		[notification := self notificationForVersion: aVersion.
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		notifyList do: [:ea | notification notify: ea]]
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! !
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!MCRepository methodsFor:'comparing'!
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= other
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	^ other species = self species and: [other description = self description]
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!
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hash
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	^ self description hash
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! !
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!MCRepository methodsFor:'interface'!
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includesVersionNamed: aString
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	self subclassResponsibility
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!
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versionWithInfo: aVersionInfo
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	^ self versionWithInfo: aVersionInfo ifAbsent: [nil]
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!
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versionWithInfo: aVersionInfo ifAbsent: aBlock
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	self subclassResponsibility 
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! !
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!MCRepository methodsFor:'printing & storing'!
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basicStoreVersion: aVersion
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	self subclassResponsibility
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!
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printOn: aStream
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	super printOn: aStream.
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	aStream
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		nextPut: $(;
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		nextPutAll: self description;
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		nextPut: $).
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!
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storeVersion: aVersion
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	self basicStoreVersion: (self prepareVersionForStorage: aVersion).
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	self sendNotificationsForVersion: aVersion
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! !
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910
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!MCRepository methodsFor:'queries'!
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closestAncestorVersionFor: anAncestry ifNone: errorBlock
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	| v | 
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	anAncestry breadthFirstAncestorsDo:
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		[:ancestorInfo |
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		(v := self versionWithInfo: ancestorInfo) ifNotNil: [ ^ v]].
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	^ errorBlock value
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!
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possiblyNewerVersionsOfAnyOf: someVersions
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	^#()
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! !
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106
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!MCRepository methodsFor:'testing'!
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isValid
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	^true
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! !
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!MCRepository class methodsFor:'documentation'!
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version
910
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    ^ '$Header: /cvs/stx/stx/goodies/monticello/MCRepository.st,v 1.7 2014-02-12 14:53:41 cg Exp $'
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!
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version_CVS
910
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    ^ '$Header: /cvs/stx/stx/goodies/monticello/MCRepository.st,v 1.7 2014-02-12 14:53:41 cg Exp $'
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6948613cd845 added: #version_CVS
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!
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version_SVN
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910
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    ^'$Id: MCRepository.st,v 1.7 2014-02-12 14:53:41 cg Exp $'
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! !
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910
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106
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MCRepository initialize!