Interface BeforeDeleteCallback<T>
- All Superinterfaces:
EntityCallback<T>
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
An
EntityCallback
that gets invoked before an entity is deleted. This callback gets only invoked if the
method deleting the aggregate received an instance of that aggregate as an argument. Methods deleting entities by id
or without any parameter don't invoke this callback.- Since:
- 1.1
- Author:
- Jens Schauder, Mark Paluch
-
Method Summary
Modifier and TypeMethodDescriptiononBeforeDelete
(T aggregate, MutableAggregateChange<T> aggregateChange) Entity callback method invoked before an aggregate root is deleted.
-
Method Details
-
onBeforeDelete
Entity callback method invoked before an aggregate root is deleted. Can return either the same or a modified instance of the aggregate and can modifyMutableAggregateChange
contents. This method is called after converting theaggregate
toMutableAggregateChange
. Changes to the aggregate are not taken into account for deleting. Only transient fields of the entity should be changed in this callback.- Parameters:
aggregate
- the aggregate.aggregateChange
- the associatedMutableAggregateChange
.- Returns:
- the aggregate to be deleted.
-