org.neo4j.ogm.utils

Class EntityUtils

java.lang.Object

org.neo4j.ogm.utils.EntityUtils

public class EntityUtils
extends Object

The utility methods here will all throw a NullPointerException if invoked with null.

Author:

Luanne Misquitta

Constructor Summary

Constructors

Constructor and Description
EntityUtils()

Method Summary

Modifier and Type	Method and Description
static Long	identity(Object entity, MetaData metaData) Return native id of given node or relationship entity.
static Collection<String>	labels(Object entity, MetaData metaData) Returns the full set of labels, both static and dynamic, if any, to apply to a node.
static Long	nextRef()
static void	setIdentity(Object entity, Long identity, MetaData metaData)

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityUtils

public EntityUtils()

Method Detail

nextRef

public static Long nextRef()

identity

public static Long identity(Object entity,
                            MetaData metaData)

Return native id of given node or relationship entity. If the id field is null the field is set to unique negative refId, which is then returned. You most likely want to use MappingContext.nativeId(Object)

Parameters:

entity - entity

metaData - metadata

Returns:

native id or refId

setIdentity

public static void setIdentity(Object entity,
                               Long identity,
                               MetaData metaData)

labels

public static Collection<String> labels(Object entity,
                                        MetaData metaData)

Returns the full set of labels, both static and dynamic, if any, to apply to a node.

Parameters:

entity - entity to get the labels for

metaData - metadata

Returns:

collection of labels