Скачать или смотреть 7.Spring Boot | CQRS |Command Gateway |Creating Command |@TargetAggregateIdentifier|

@TargetAggregateIdentifier is an annotation in the Axon Framework, which is a Java framework for building event-driven, scalable, and resilient applications.

The @TargetAggregateIdentifier annotation is used to mark a field or method in a command handling method, indicating that the value of this field or method should be used as the identifier of the aggregate that the command is targeting.


CommandGateway :
In the context of the Axon Framework, a Command Gateway is a high-level interface that provides a simplified way to send commands to a command bus for processing by command handlers.

The Command Gateway acts as a client-side API for sending commands, hiding the complexity of the underlying command bus implementation. It provides a simple interface that application developers can use to send commands without having to know the details of the command bus implementation.

To use the Command Gateway, you define an interface that defines the commands that your application needs to send, and then use Axon's CommandGateway interface to send those commands


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