| Publisher { |
| n1: circle label:"Start" |
| n2: rectangle label:"Create message payload" |
| n3: rectangle label:"Serialize to JSON" |
| n4: rectangle label:"Publish to topic" |
| n5: circle label:"End" |
| n1.handle(right) -> n2.handle(left) |
| n2.handle(right) -> n3.handle(left) |
| n3.handle(bottom) -> MessageBroker.n6.handle(top) [label="Publish"] |
| n4.handle(right) -> n5.handle(left) |
| } |
| MessageBroker { |
| n6: rectangle label:"Receive message" |
| n7: rectangle label:"Validate message schema" |
| n8: diamond label:"Topic exists?" |
| n9: rectangle label:"Store in topic partition" |
| n10: rectangle label:"Create topic" |
| n11: rectangle label:"Notify subscribers" |
| n6.handle(right) -> n7.handle(left) |
| n7.handle(right) -> n8.handle(left) |
| n8.handle(right) -> n9.handle(left) [label="Yes"] |
| n8.handle(bottom) -> n10.handle(top) [label="No"] |
| n9.handle(right) -> n11.handle(left) |
| n10.handle(right) -> n9.handle(top) |
| n11.handle(bottom) -> Subscriber.n12.handle(top) [label="Deliver"] |
| n11.handle(top) -> Publisher.n4.handle(bottom) [label="ACK"] |
| } |
| Subscriber { |
| n12: rectangle label:"Receive notification" |
| n13: rectangle label:"Fetch message from topic" |
| n14: rectangle label:"Deserialize payload" |
| n15: diamond label:"Processing successful?" |
| n16: rectangle label:"Acknowledge message" |
| n17: rectangle label:"Negative acknowledge" |
| n18: rectangle label:"Update consumer offset" |
| n12.handle(right) -> n13.handle(left) |
| n13.handle(right) -> n14.handle(left) |
| n14.handle(right) -> n15.handle(left) |
| n15.handle(right) -> n16.handle(left) [label="Yes"] |
| n15.handle(bottom) -> n17.handle(top) [label="No"] |
| n16.handle(right) -> n18.handle(left) |
| n17.handle(top) -> n13.handle(bottom) [label="Retry"] |
| n18.handle(top) -> Publisher.n5.handle(bottom) [label="Complete"] |
| } |
|
|
