Tech Leadership Playbook by Alexsandro Souza

Author:Alexsandro Souza
Language: eng
Format: epub
ISBN: 9798868805431
Publisher: Apress

Leveraging Events and the Observer Pattern: A Double-Edged Sword

In the quest to reduce coupling within our software architectures, employing events and the observer pattern emerges as a potent strategy. This approach allows components to remain unaware of each other’s existence while still enabling communication through the broadcasting of events and the subscription to these events by interested observers. It epitomizes the decoupling of components, as it eliminates the need for direct interaction between them. Here’s how it achieves this:Event-Driven Notifications: Instead of one component calling another directly to pass data or trigger actions, the Observer pattern allows subjects to send notifications to registered observers whenever relevant events occur. This setup means that the subject does not need to know anything specific about the observers, other than that they implement a certain interface.

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