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50 lines
967 B
Plaintext
50 lines
967 B
Plaintext
@startuml
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autonumber
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hide footbox
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footer "LTDFS | Ruakij"
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header "Local\nNot Owner"
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title "Open Read&Write"
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participant Client
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control SiteA
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boundary SiteB
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boundary "Other Sites" as Others
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Client -> SiteA ++ : Open [rw]
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SiteA -> SiteA : Check owner
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alt SiteB is owner
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SiteA -> SiteA : Check availablility
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alt File is locally available
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SiteA -> SiteB ++ : Transfer ownership
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SiteB -> SiteB : Lock file
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alt Already locked
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SiteB --> SiteA : File is locked
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SiteA --> Client : File is locked
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else Locked
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SiteB ->> Others : File locked &\nOwnership changed
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note left
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Distribute Info
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about Lock & Ownership
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end note
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SiteB --> SiteA -- : Ready
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SiteA --> Client -- : File opened
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end
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end
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end
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@enduml |