增强器工作流
patterns
此工作流在将消息传递出去之前，为其添加元数据。
完整 FlowZap 代码
user { # User
n1: circle label:"Start Enricher"
n4: diamond label:"Execute Enricher action"
n7: rectangle label:"Monitor Enricher status"
n10: circle label:"End Enricher"
n1.handle(bottom) -> app.n2.handle(top)
n4.handle(bottom) -> app.n5.handle(top)
n4.handle(right) -> service.n3.handle(right) [label="Retry/Rejected"]
n7.handle(bottom) -> app.n8.handle(top)
}
app { # App
n2: rectangle label:"Receive Enricher event"
n5: rectangle label:"Record Enricher outcome"
n8: rectangle label:"Monitor Enricher status"
n2.handle(bottom) -> service.n3.handle(top)
n5.handle(bottom) -> service.n6.handle(top)
n8.handle(bottom) -> service.n9.handle(top)
}
service { # Service
n3: rectangle label:"Validate Enricher conditions"
n6: rectangle label:"Monitor Enricher status"
n9: rectangle label:"Monitor Enricher status"
n9.handle(right) -> user.n10.handle(bottom) [label="Valid"]
n6.handle(right) -> user.n7.handle(left) [label="Success"]
n3.handle(bottom) -> user.n4.handle(left) [label="Processed"]
}