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autonumber
participant U
participant NN
participant DN
participant JT
participant TT
participant T
'participant SR
activate U
U->JT: getNewJobId(): job-id
U->NN: getDelegToken(): deleg-token
U->NN: writeJobFiles( files, deleg-token ): void
U->DN: writeJobFiles( files, deleg-token ): void
U->JT: submitJob(): job-id
deactivate U
TT->JT: heartbeat() : work
activate TT
TT->NN: refreshDelegToken( deleg-token ): void
TT->NN: extractJobFiles(): data
TT->DN: extractJobFiles(): data
create T
TT->T: new()
activate T
T->T: exec()
destroy T
TT->JT: status(): void
deactivate TT
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