ea57934db6
* Moves converter pattern to Java 11 * Moves cqrs pattern to Java 11 * Moves dao pattern to Java 11 * Moves data-bus pattern to Java 11 * Moves data-locality pattern to Java 11 * Moves data-mapper pattern to Java 11 * Moves data-transfer-object pattern to Java 11 * Moves decorator pattern to Java 11 * Moves delegation pattern to Java 11 * Moves dependency-injection to Java 11 * Moves dirty-flag to Java 11 * Moves double-buffer to Java 11 * Moves double-checked-locking to Java 11 * Moves double-dispatch to Java 11 * Corrects with changes thats breaking test cases
layout, title, folder, permalink, categories, tags
| layout | title | folder | permalink | categories | tags | |
|---|---|---|---|---|---|---|
| pattern | Data Bus | data-bus | /patterns/data-bus/ | Architectural |
|
Intent
Allows send of messages/events between components of an application without them needing to know about each other. They only need to know about the type of the message/event being sent.
Class diagram
Applicability
Use Data Bus pattern when
- you want your components to decide themselves which messages/events they want to receive
- you want to have many-to-many communication
- you want your components to know nothing about each other
Related Patterns
Data Bus is similar to
- Mediator pattern with Data Bus Members deciding for themselves if they want to accept any given message
- Observer pattern but supporting many-to-many communication
- Publish/Subscribe pattern with the Data Bus decoupling the publisher and the subscriber