io.micronaut.data.runtime.event.listeners

Class VersionGeneratingEntityEventListener

java.lang.Object

io.micronaut.data.runtime.event.listeners.VersionGeneratingEntityEventListener

All Implemented Interfaces:

io.micronaut.core.order.Ordered, io.micronaut.data.event.EntityEventListener<java.lang.Object>, io.micronaut.data.model.runtime.PropertyAutoPopulator<io.micronaut.data.annotation.Version>, java.util.EventListener

@Singleton
public class VersionGeneratingEntityEventListener
extends java.lang.Object
implements io.micronaut.data.event.EntityEventListener<java.lang.Object>, io.micronaut.data.model.runtime.PropertyAutoPopulator<io.micronaut.data.annotation.Version>

Supports optimistic locking by using a version.

Since:

2.4.0

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

Constructor Summary

Constructors

Constructor and Description
VersionGeneratingEntityEventListener(DateTimeProvider dateTimeProvider, DataConversionService<?> conversionService)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	populate(io.micronaut.data.model.runtime.RuntimePersistentProperty<?> property, java.lang.Object previousValue)
boolean	prePersist(io.micronaut.data.event.EntityEventContext<java.lang.Object> context)
boolean	preRemove(io.micronaut.data.event.EntityEventContext<java.lang.Object> context)
boolean	preUpdate(io.micronaut.data.event.EntityEventContext<java.lang.Object> context)
boolean	supports(io.micronaut.data.model.runtime.RuntimePersistentEntity<java.lang.Object> entity, java.lang.Class<? extends java.lang.annotation.Annotation> eventType)

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

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

getOrder

Constructor Detail

VersionGeneratingEntityEventListener

public VersionGeneratingEntityEventListener(DateTimeProvider dateTimeProvider,
                                            DataConversionService<?> conversionService)

Method Detail

supports

public boolean supports(io.micronaut.data.model.runtime.RuntimePersistentEntity<java.lang.Object> entity,
                        java.lang.Class<? extends java.lang.annotation.Annotation> eventType)

Specified by:

supports in interface io.micronaut.data.event.EntityEventListener<java.lang.Object>

prePersist

public boolean prePersist(@NonNull
                          io.micronaut.data.event.EntityEventContext<java.lang.Object> context)

Specified by:

prePersist in interface io.micronaut.data.event.EntityEventListener<java.lang.Object>

preUpdate

public boolean preUpdate(@NonNull
                         io.micronaut.data.event.EntityEventContext<java.lang.Object> context)

Specified by:

preUpdate in interface io.micronaut.data.event.EntityEventListener<java.lang.Object>

preRemove

public boolean preRemove(@NonNull
                         io.micronaut.data.event.EntityEventContext<java.lang.Object> context)

Specified by:

preRemove in interface io.micronaut.data.event.EntityEventListener<java.lang.Object>

populate

@NonNull
public java.lang.Object populate(io.micronaut.data.model.runtime.RuntimePersistentProperty<?> property,
                                          @Nullable
                                          java.lang.Object previousValue)

Specified by:

populate in interface io.micronaut.data.model.runtime.PropertyAutoPopulator<io.micronaut.data.annotation.Version>