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"{ Package: 'stx:goodies/monticello' }"
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MCRepository subclass:#MCFileBasedRepository
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instanceVariableNames:'cache allFileNames'
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classVariableNames:''
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poolDictionaries:''
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category:'Monticello-Repositories'
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!
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!MCFileBasedRepository class methodsFor:'as yet unclassified'!
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flushAllCaches
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self allSubInstancesDo: [:ea | ea flushCache]
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! !
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!MCFileBasedRepository methodsFor:'as yet unclassified'!
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allFileNames
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self subclassResponsibility
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!
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allFileNamesForVersionNamed: aString
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^ self filterFileNames: self readableFileNames forVersionNamed: aString
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!
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allFileNamesOrCache
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^ allFileNames ifNil: [self allFileNames]
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!
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allPackageNames
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^ (self readableFileNames collect: [:ea | self packageNameFromFileName: ea])
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asSet asOrderedCollection
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"Created: / 16-09-2010 / 16:10:40 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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"Modified: / 16-09-2010 / 18:44:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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allVersionNames
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^ self readableFileNames collect: [:ea | self versionNameFromFileName: ea]
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!
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basicStoreVersion: aVersion
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self
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writeStreamForFileNamed: aVersion fileName
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do: [:s | aVersion fileOutOn: s].
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aVersion isCacheable ifTrue: [
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cache ifNil: [cache := Dictionary new].
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cache at: aVersion fileName put: aVersion].
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235
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!
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cache
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^ cache ifNil: [cache := Dictionary new]
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!
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cacheAllFileNamesDuring: aBlock
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235
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allFileNames := self allFileNames.
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^ aBlock ensure: [allFileNames := nil]
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!
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cachedFileNames
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^cache == nil
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ifTrue: [#()]
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ifFalse: [cache keys]
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!
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canReadFileNamed: aString
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| reader |
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reader := MCVersionReader readerClassForFileNamed: aString.
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^ reader notNil
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!
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closestAncestorVersionFor: anAncestry ifNone: errorBlock
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^ self cacheAllFileNamesDuring:
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[super closestAncestorVersionFor: anAncestry ifNone: errorBlock]
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!
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filterFileNames: aCollection forVersionNamed: aString
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^ aCollection select: [:ea | (self versionNameFromFileName: ea) = aString]
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!
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flushCache
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cache := nil
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!
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includesVersionNamed: aString
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^ self allVersionNames includes: aString
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!
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loadVersionFromFileNamed: aString
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^ self versionReaderForFileNamed: aString do: [:r | r version]
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!
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loadVersionInfoFromFileNamed: aString
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^ self versionReaderForFileNamed: aString do: [:r | r info]
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!
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maxCacheSize
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^ 8
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!
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235
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notifyList
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| list |
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(self allFileNames includes: 'notify') ifFalse: [^ #()].
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^ self readStreamForFileNamed: 'notify' do:
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[:s |
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s upToEnd asStringWithSqueakLineEndings findTokens: (String with: Character cr)]
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"Modified: / 12-09-2010 / 16:06:09 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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110
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!
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235
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packageNameFromFileName: aString
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^ (aString copyUpToLast: $-)
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"Created: / 16-09-2010 / 16:10:13 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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"Modified: / 16-09-2010 / 18:45:11 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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possiblyNewerVersionsOfAnyOf: someVersions
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| pkgs |
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pkgs := Dictionary new.
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someVersions do: [:aVersionInfo |
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pkgs at: (aVersionInfo name copyUpToLast: $-)
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put: (aVersionInfo name copyAfterLast: $.) asNumber].
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^[self allVersionNames select: [:each |
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(pkgs at: (each copyUpToLast: $-) ifPresent: [:verNumber |
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verNumber < (each copyAfterLast: $.) asNumber
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or: [verNumber = (each copyAfterLast: $.) asNumber
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and: [someVersions noneSatisfy: [:v | v name = each]]]]) == true]
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] on: Error do: [:ex | ex return: #()]
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!
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readableFileNames
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| all cached new |
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all := self allFileNamesOrCache. "from repository"
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cached := self cachedFileNames. "in memory"
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new := all difference: cached.
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^ (cached asArray, new)
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select: [:ea | self canReadFileNamed: ea]
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!
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resizeCache: aDictionary
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235
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[aDictionary size <= self maxCacheSize] whileFalse:
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[aDictionary removeKey: aDictionary keys asArray atRandom]
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"Modified: / 15-09-2010 / 13:15:16 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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versionFromFileNamed: aString
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| v |
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v := self cache at: aString ifAbsent: [self loadVersionFromFileNamed: aString].
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self resizeCache: cache.
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(v notNil and: [v isCacheable]) ifTrue: [cache at: aString put: v].
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^ v
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!
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versionInfoFromFileNamed: aString
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self cache at: aString ifPresent: [:v | ^ v info].
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^ self loadVersionInfoFromFileNamed: aString
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!
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versionNameFromFileName: aString
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^ (aString copyUpToLast: $.) copyUpTo: $(
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!
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versionReaderForFileNamed: aString do: aBlock
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^ self
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readStreamForFileNamed: aString
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do: [:s | | class |
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(class := MCVersionReader readerClassForFileNamed: aString) ifNotNil:
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[ aBlock value: (class on: s fileName: aString)]]
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"Modified: / 12-09-2010 / 19:40:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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versionWithInfo: aVersionInfo ifAbsent: errorBlock
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| version |
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(self allFileNamesForVersionNamed: aVersionInfo name) do:
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[:fileName |
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version := self versionFromFileNamed: fileName.
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version info = aVersionInfo ifTrue: [^ version]].
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^ errorBlock value
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!
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writeStreamForFileNamed: aString do: aBlock
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^ self writeStreamForFileNamed: aString replace: false do: aBlock
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! !
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!MCFileBasedRepository class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/goodies/monticello/MCFileBasedRepository.st,v 1.2 2011-08-20 11:45:50 cg Exp $'
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!
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version_CVS
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^ '$Header: /cvs/stx/stx/goodies/monticello/MCFileBasedRepository.st,v 1.2 2011-08-20 11:45:50 cg Exp $'
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!
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version_SVN
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^ '§Id: MCFileBasedRepository.st 14 2010-09-17 14:16:41Z vranyj1 §'
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! !
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