org.springframework.data.neo4j.aspects.core

Interface GraphBacked<STATE,ENTITY extends GraphBacked<STATE,ENTITY>>

All Superinterfaces:

ManagedEntity<STATE,ENTITY>

All Known Subinterfaces:

NodeBacked, RelationshipBacked

public interface GraphBacked<STATE,ENTITY extends GraphBacked<STATE,ENTITY>>
extends ManagedEntity<STATE,ENTITY>

super interface denoting entities that are graph backed, the backing STATE can be a Node or a Relationship. Subclasses of this interface bind the type parameter to a concrete Node or Relationship state.

Since:

21.09.2010

Author:

Michael Hunger

Method Summary

Modifier and Type	Method and Description
STATE	getPersistentState()
boolean	hasPersistentState()
void	remove() removes the entity using @{link Neo4jTemplate.removeNodeEntity} the entity and relationship are still accessible after removal but before transaction commit but all modifications will throw an exception
void	setPersistentState(STATE state) internal setter used for initializing the graph-db state on existing or newly created entities

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

getEntityState, persist

Method Detail

setPersistentState

void setPersistentState(STATE state)

internal setter used for initializing the graph-db state on existing or newly created entities

Specified by:

setPersistentState in interface ManagedEntity<STATE,ENTITY extends GraphBacked<STATE,ENTITY>>

Parameters:

state - (Node or Relationship)

getPersistentState

STATE getPersistentState()

Specified by:

getPersistentState in interface ManagedEntity<STATE,ENTITY extends GraphBacked<STATE,ENTITY>>

Returns:

the underlying graph-db state or null if the current entity is not related to the graph-store (possible with unsaved or partial entities)

hasPersistentState

boolean hasPersistentState()

remove

void remove()

removes the entity using @{link Neo4jTemplate.removeNodeEntity} the entity and relationship are still accessible after removal but before transaction commit but all modifications will throw an exception