Anurag Agarwal ea57934db6 Java 11 migrate c-d (remaining) (#1111)
* 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
2019-12-14 20:32:45 +02:00
..
2019-12-07 18:03:49 +02:00

layout, title, folder, permalink, categories, tags
layout title folder permalink categories tags
pattern CQRS cqrs /patterns/cqrs/ Architectural
Performance
Cloud distributed

Intent

CQRS Command Query Responsibility Segregation - Separate the query side from the command side.

Class diagram

alt text

Applicability

Use the CQRS pattern when

  • you want to scale the queries and commands independently.
  • you want to use different data models for queries and commands. Useful when dealing with complex domains.
  • you want to use architectures like event sourcing or task based UI.

Credits