Enterprise Integration Patterns: Designing, Building, and Deploying Messaging Solutions (Addison-Wesley Signature Series (Fowler))

by Hohpe Gregor

First, we can use the Message History (551) to inspect messages at runtime and see which components they traversed.

Alternatively, we can compile a list of all channels to which each component in the system subscribes or publishes. With this knowledge we can draw a graph of all possible message flows across components.