org.springframework.data.neo4j.core.mapping.callback

Class EventSupport

java.lang.Object

org.springframework.data.neo4j.core.mapping.callback.EventSupport

@API(status=INTERNAL,
     since="6.0.2")
public final class EventSupport
extends Object

Utility class that orchestrates EntityCallbacks. Not to be used outside the framework.

Since:

6.0.2

Author:

Michael J. Simons

Method Summary

Modifier and Type	Method and Description
static EventSupport	discoverCallbacks(Neo4jMappingContext context, BeanFactory beanFactory) Creates event support containing the required default events plus all entity callbacks discoverable through the BeanFactory.
<T> T	maybeCallAfterConvert(T object, Neo4jPersistentEntity<T> entity, org.neo4j.driver.types.MapAccessor source)
<T> T	maybeCallBeforeBind(T object)
static EventSupport	useExistingCallbacks(Neo4jMappingContext context, EntityCallbacks entityCallbacks) Creates event support containing the required default events plus all explicitly defined events.

Methods inherited from class java.lang.Object

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

Method Detail

discoverCallbacks

public static EventSupport discoverCallbacks(Neo4jMappingContext context,
                                             BeanFactory beanFactory)

Creates event support containing the required default events plus all entity callbacks discoverable through the BeanFactory.

Parameters:

context - The mapping context that is used in some of the callbacks.

beanFactory - The bean factory used to discover additional callbacks.

Returns:

A new instance of the event support

useExistingCallbacks

public static EventSupport useExistingCallbacks(Neo4jMappingContext context,
                                                EntityCallbacks entityCallbacks)

Creates event support containing the required default events plus all explicitly defined events.

Parameters:

context - The mapping context that is used in some of the callbacks.

entityCallbacks - predefined callbacks.

Returns:

A new instance of the event support

maybeCallBeforeBind

@Nullable
public <T> T maybeCallBeforeBind(@Nullable
                                           T object)

maybeCallAfterConvert

@Nullable
public <T> T maybeCallAfterConvert(@Nullable
                                             T object,
                                             Neo4jPersistentEntity<T> entity,
                                             org.neo4j.driver.types.MapAccessor source)

Type Parameters:

T - Expected type

Parameters:

object - The freshly converted instance

entity - The entity

source - The source of the instance

Returns:

The instance to which the callback was applied to