Callback Pattern Workflow
patterns
This workflow models an async operation that notifies a callback when done.
patterns
This workflow models taking periodic snapshots of important state.
user { # User
n1: circle label:"Start Snapshot Pattern"
n2: diamond label:"Receive Snapshot Pattern event"
n3: rectangle label:"Validate Snapshot Pattern conditions"
n5: rectangle label:"Record Snapshot Pattern outcome"
n7: circle label:"End Snapshot Pattern"
n1.handle(right) -> n2.handle(left)
n2.handle(right) -> n3.handle(left) [label="Yes/Approved"]
n2.handle(bottom) -> app.n4.handle(top) [label="No/Rejected"]
n3.handle(right) -> n5.handle(left)
n5.handle(bottom) -> app.n6.handle(top)
}
app { # App
n4: rectangle label:"Execute Snapshot Pattern action"
n6: rectangle label:"Monitor Snapshot Pattern status"
n6.handle(right) -> user.n7.handle(bottom)
n4.handle(right) -> user.n5.handle(top)
}
patterns
This workflow models an async operation that notifies a callback when done.
patterns
This workflow models rolling back work when a later step fails.