io.micronaut.data.runtime.event.listeners

Class UUIDGeneratingEntityEventListener

java.lang.Object

io.micronaut.data.runtime.event.listeners.AutoPopulatedEntityEventListener

io.micronaut.data.runtime.event.listeners.UUIDGeneratingEntityEventListener

All Implemented Interfaces:

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

@Singleton
public class UUIDGeneratingEntityEventListener
extends AutoPopulatedEntityEventListener

Supports generating UUIDs.

Since:

2.3.0

Author:

graemerocher

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

Constructor Summary

Constructors

Constructor and Description
UUIDGeneratingEntityEventListener()

Method Summary

Modifier and Type	Method and Description
protected java.util.List<java.lang.Class<? extends java.lang.annotation.Annotation>>	getEventTypes()
protected java.util.function.Predicate<RuntimePersistentProperty<java.lang.Object>>	getPropertyPredicate()
boolean	prePersist(EntityEventContext<java.lang.Object> context) A pre-persist hook.

Methods inherited from class io.micronaut.data.runtime.event.listeners.AutoPopulatedEntityEventListener

getApplicableProperties, supports

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

postLoad, postPersist, postRemove, postUpdate, preQuery, preRemove, preUpdate

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

getOrder

Constructor Detail

UUIDGeneratingEntityEventListener

public UUIDGeneratingEntityEventListener()

Method Detail

getEventTypes

@NonNull
protected final java.util.List<java.lang.Class<? extends java.lang.annotation.Annotation>> getEventTypes()

Specified by:

getEventTypes in class AutoPopulatedEntityEventListener

Returns:

The event type

getPropertyPredicate

@NonNull
protected java.util.function.Predicate<RuntimePersistentProperty<java.lang.Object>> getPropertyPredicate()

Specified by:

getPropertyPredicate in class AutoPopulatedEntityEventListener

Returns:

A predicate to apply for the given property.

prePersist

public boolean prePersist(@NonNull
                          EntityEventContext<java.lang.Object> context)

Description copied from interface: EntityEventListener

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

Parameters:

context - The context object

Returns:

A boolean value indicating whether to proceed with the operation.