| Client { |
| n1: circle label:"Complex Query Request" |
| n2: rectangle label:"API Composer Service" |
| n19: rectangle label:"Receive Composed Response" |
| n20: circle label:"Display Result" |
| n1.handle(right) -> n2.handle(left) |
| n2.handle(bottom) -> Composer.n3.handle(top) [label="Compose"] |
| n19.handle(right) -> n20.handle(left) |
| } |
| Composer { |
| n3: rectangle label:"Parse Query Requirements" |
| n4: rectangle label:"Fan-Out Parallel Requests" |
| n13: rectangle label:"Collect Responses" |
| n14: diamond label:"All Responses Received?" |
| n15: rectangle label:"Merge and Transform" |
| n16: rectangle label:"Return Partial with Fallback" |
| n3.handle(right) -> n4.handle(left) [label="Decompose"] |
| n4.handle(bottom) -> Services.n5.handle(top) [label="GET /users"] |
| n4.handle(bottom) -> Services.n7.handle(top) [label="GET /orders"] |
| n4.handle(bottom) -> Services.n9.handle(top) [label="GET /products"] |
| n13.handle(right) -> n14.handle(left) |
| n14.handle(right) -> n15.handle(left) [label="Yes"] |
| n14.handle(bottom) -> n16.handle(top) [label="Timeout"] |
| n15.handle(top) -> Client.n19.handle(bottom) [label="Composed JSON"] |
| n16.handle(top) -> Client.n19.handle(bottom) [label="Partial JSON"] |
| } |
| Services { |
| n5: rectangle label:"User Service" |
| n6: rectangle label:"User Response" |
| n7: rectangle label:"Order Service" |
| n8: rectangle label:"Order Response" |
| n9: rectangle label:"Product Service" |
| n10: rectangle label:"Product Response" |
| n11: rectangle label:"Aggregate Results" |
| n12: rectangle label:"Send to Composer" |
| n5.handle(right) -> n6.handle(left) [label="Query"] |
| n7.handle(right) -> n8.handle(left) [label="Query"] |
| n9.handle(right) -> n10.handle(left) [label="Query"] |
| n6.handle(bottom) -> n11.handle(top) [label="User Data"] |
| n8.handle(bottom) -> n11.handle(top) [label="Order Data"] |
| n10.handle(right) -> n11.handle(left) [label="Product Data"] |
| n11.handle(right) -> n12.handle(left) |
| n12.handle(top) -> Composer.n13.handle(bottom) [label="All Data"] |
| } |
|
|
