Cloud Native Development Patterns and Best Practices

Solution

Create a component for each business process to act as a mediator between the collaborator components and orchestrate the collaboration flow across those components. Each component defines the events it will consume and publish independently of any business processes. The mediator maps and translates the published events of upstream components to the consumed events of downstream components. These mappings and translations are encapsulated in the mediator as a set of rules, which define the transitions in the collaboration flow.

The mediator consumes events from the stream based on these rules and emits transition events, following the Event-First variant of the Event Sourcing pattern, to trigger the necessary downstream components. ...