EDA pattern implementation in systems/processes
In this section, we will discuss the implementation of event-driven patterns in processes. The main components that are involved in this implementation are the following:
- Event queue
- Event log
- Event collectors
- Reply queue
- Read versus write events
Each of these components and the overall functioning of this architecture will be explained in this section. The core component for this implementation is a central event queue. All events are inserted into a central event queue before they are processed. The following diagram depicts this queue-based architecture:
Events are placed in an order when they are inserted into the queue so that it is possible to track the sequence in which the system responds to events.
Event log
There needs to be a backup and recovery mechanism for the messages that are added to the central event queue. This is done by writing all the event details to an event log, which is typically placed in a disk. In the event of a system crash...
