org.springframework.data.neo4j.aspects.core

Interface RelationshipBacked

All Superinterfaces:

GraphBacked<org.neo4j.graphdb.Relationship,RelationshipBacked>, ManagedEntity<org.neo4j.graphdb.Relationship,RelationshipBacked>

public interface RelationshipBacked
extends GraphBacked<org.neo4j.graphdb.Relationship,RelationshipBacked>

concrete interface introduced onto Relationship entities by the Neo4jRelationshipBacking aspect, encapsulates a neo4j relationship as backing state

Method Summary

Methods

Modifier and Type	Method and Description
Long	getRelationshipId()
<R extends RelationshipBacked> R	projectTo(Class<R> targetType) Project this relationship entity as another relationship backed type.

Methods inherited from interface org.springframework.data.neo4j.aspects.core.GraphBacked

getPersistentState, hasPersistentState, remove, setPersistentState

Methods inherited from interface org.springframework.data.neo4j.mapping.ManagedEntity

getEntityState, persist

Method Detail

getRelationshipId

Long getRelationshipId()

Returns:

the id of the underlying relationship or null if there is none

projectTo

<R extends RelationshipBacked> R projectTo(Class<R> targetType)

Project this relationship entity as another relationship backed type. The same underlying relationship will be used for the new entity.

Parameters:

targetType - type to project to

Returns:

new instance of specified type, sharing the same underlying relationship with this entity