Package org.axonframework.modelling

Interface EntityIdResolver<ID>

Type Parameters:

ID - The type of the identifier.

All Known Implementing Classes:

AnnotatedEntityIdResolver, AnnotationBasedEntityIdResolver, PropertyBasedEntityIdResolver

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface EntityIdResolver<ID>

Resolver for the id of an entity. The id is then used to load an entity from the StateManager.

Before version 5.0.0, this interface was known as org.axonframework.modelling.command.CommandTargetResolver. This interface was changed to be able to resolve any type of entity id, not just Strings, and to have the ProcessingContext available for resolving the id.

Since:

5.0.0

Author:

Allard Buijze, Mitchell Herrijgers

See Also:

• StateManager

Method Summary

Modifier and Type	Method	Description
ID	resolve(Message message, ProcessingContext context)	Resolve the id of the entity from the given message and context.

Method Details

resolve

ID resolve(Message message,
 ProcessingContext context)
    throws EntityIdResolutionException

Resolve the id of the entity from the given message and context.

Parameters:

message - The message to resolve the id from.

context - The context in which the message is processed.

Returns:

The id of the entity.

Throws:

EntityIdResolutionException - When the id could not be resolved.