Event-based collaboration
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Also known as
Context
Forces
Problem
How do modules communicate with each other?
Solution
Modules communicate by publishing and subscribing to events
Relationship with transaction patterns:
- Transaction-per-operation: event subscriber is invoked in the publisher’s transaction
- Transaction-per-module: event subscriber is invoked in a different transaction, publisher will typically use the Transaction outbox pattern to ensure that the publisher atomically updates its database and sends a message.
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