org.springframework.data.relational.core.mapping.event

Class BeforeDeleteEvent

java.lang.Object

java.util.EventObject

org.springframework.context.ApplicationEvent

org.springframework.data.relational.core.mapping.event.RelationalEventWithId

org.springframework.data.relational.core.mapping.event.BeforeDeleteEvent

All Implemented Interfaces:

Serializable, RelationalEvent, WithId

public class BeforeDeleteEvent
extends RelationalEventWithId

Gets published when an entity is about to get deleted. The contained AggregateChange is mutable and may be changed in order to change the actions that get performed on the database as part of the delete operation.

Author:

Jens Schauder

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
BeforeDeleteEvent(Identifier.Specified id, Optional<?> entity, AggregateChange change)

Method Summary

Modifier and Type	Method and Description
AggregateChange	getChange() Deprecated. There is currently no replacement for this. If something like this is required please create an issue outlining your use case.
Optional<Object>	getOptionalEntity() Returns the aggregate root the event was triggered for.

Methods inherited from class org.springframework.data.relational.core.mapping.event.RelationalEventWithId

getId

Methods inherited from class org.springframework.context.ApplicationEvent

getTimestamp

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.relational.core.mapping.event.RelationalEvent

getOptionalEntity

Constructor Detail

BeforeDeleteEvent

public BeforeDeleteEvent(Identifier.Specified id,
                         Optional<?> entity,
                         AggregateChange change)

Parameters:

id - the id of the entity

entity - the entity about to get deleted. Might be empty.

change - the AggregateChange encoding the planned actions to be performed on the database.

Method Detail

getOptionalEntity

public Optional<Object> getOptionalEntity()

Description copied from interface: RelationalEvent

Returns the aggregate root the event was triggered for.

Specified by:

getOptionalEntity in interface RelationalEvent

Returns:

will never be null.

getChange

@Deprecated
public AggregateChange getChange()

Deprecated. There is currently no replacement for this. If something like this is required please create an issue outlining your use case.

Returns the an AggregateChange instance representing the SQL statements performed by the action that triggered this event.

Returns:

Guaranteed to be not null.