Package 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<Object>, 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	Description
UUIDGeneratingEntityEventListener()

Method Summary

Modifier and Type	Method	Description
protected final @NonNull List<Class<? extends Annotation>>	getEventTypes()
protected @NonNull Predicate<RuntimePersistentProperty<Object>>	getPropertyPredicate()
boolean	prePersist(@NonNull EntityEventContext<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 Details

UUIDGeneratingEntityEventListener

public UUIDGeneratingEntityEventListener()

Method Details

getEventTypes

@NonNull
protected final @NonNull List<Class<? extends Annotation>> getEventTypes()

Specified by:

getEventTypes in class AutoPopulatedEntityEventListener

Returns:

The event type

getPropertyPredicate

@NonNull
protected @NonNull Predicate<RuntimePersistentProperty<Object>> getPropertyPredicate()

Specified by:

getPropertyPredicate in class AutoPopulatedEntityEventListener

Returns:

A predicate to apply for the given property.

prePersist

public boolean prePersist(@NonNull
 @NonNull EntityEventContext<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.