io.micronaut.data.event.listeners

Interface PreRemoveEventListener<T>

Type Parameters:

T - The entity type

All Superinterfaces:

EntityEventListener<T>, java.util.EventListener, io.micronaut.core.order.Ordered

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 PreRemoveEventListener<T>
extends EntityEventListener<T>

Functional version or PreRemove event handlers.

Since:

2.3.0

Field Summary

Fields inherited from interface io.micronaut.data.event.EntityEventListener

NOOP

Fields inherited from interface io.micronaut.core.order.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Method Summary

Modifier and Type	Method and Description
default boolean	preRemove(EntityEventContext<T> context) A pre-remove hook.
boolean	preRemove(T entity) A pre-remove hook.
default boolean	supports(RuntimePersistentEntity<T> entity, java.lang.Class<? extends java.lang.annotation.Annotation> eventType) Allows including or excluding a listener for a specific entity.

Methods inherited from interface io.micronaut.data.event.EntityEventListener

postLoad, postPersist, postRemove, postUpdate, prePersist, preQuery, preUpdate

Methods inherited from interface io.micronaut.core.order.Ordered

getOrder

Method Detail

preRemove

boolean preRemove(@NonNull
                  T entity)

A pre-remove hook. Implementors can return false to evict the operation.

Parameters:

entity - The entity

Returns:

A boolean value indicating whether to proceed with the operation.

preRemove

default boolean preRemove(@NonNull
                          EntityEventContext<T> context)

Description copied from interface: EntityEventListener

A pre-remove hook. Implementors can return false to evict the operation.

Specified by:

preRemove in interface EntityEventListener<T>

Parameters:

context - The context object

Returns:

A boolean value indicating whether to proceed with the operation.

supports

default boolean supports(RuntimePersistentEntity<T> entity,
                         java.lang.Class<? extends java.lang.annotation.Annotation> eventType)

Description copied from interface: EntityEventListener

Allows including or excluding a listener for a specific entity.

Specified by:

supports in interface EntityEventListener<T>

Parameters:

entity - The entity

eventType - The event type

Returns:

True if it is supported