org.springframework.data.jpa.provider

Interface ProxyIdAccessor

All Known Implementing Classes:

PersistenceProvider

public interface ProxyIdAccessor

Interface for a persistence provider specific accessor of identifiers held in proxies.

Author:

Oliver Gierke, Mark Paluch

Method Summary

Modifier and Type	Method and Description
Object	getIdentifierFrom(Object entity) Returns the identifier of the given entity by leniently inspecting it for the identifier value.
boolean	shouldUseAccessorFor(Object entity) Returns whether the ProxyIdAccessor should be used for the given entity.

Method Detail

shouldUseAccessorFor

boolean shouldUseAccessorFor(Object entity)

Returns whether the ProxyIdAccessor should be used for the given entity. Will inspect the entity to see whether it is a proxy so that lenient id lookup can be used.

Parameters:

entity - must not be null.

Returns:

getIdentifierFrom

@Nullable
Object getIdentifierFrom(Object entity)

Returns the identifier of the given entity by leniently inspecting it for the identifier value.

Parameters:

entity - must not be null.

Returns:

can be null.