Package org.springframework.data.mapping

Class TargetAwareIdentifierAccessor

java.lang.Object

org.springframework.data.mapping.TargetAwareIdentifierAccessor

All Implemented Interfaces:

IdentifierAccessor

Direct Known Subclasses:

IdPropertyIdentifierAccessor

public abstract class TargetAwareIdentifierAccessor
extends Object
implements IdentifierAccessor

IdentifierAccessor that is aware of the target bean to obtain the identifier from so that it can generate a more meaningful exception in case of an absent identifier and a call to getRequiredIdentifier().

Since:

2.0

Author:

Oliver Gierke, Mark Paluch

Constructor Summary

Constructors

Constructor	Description
TargetAwareIdentifierAccessor(Object target)

Method Summary

Modifier and Type	Method	Description
Object	getRequiredIdentifier()	Returns the identifier of the underlying instance.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.mapping.IdentifierAccessor

getIdentifier

Constructor Details

TargetAwareIdentifierAccessor

public TargetAwareIdentifierAccessor(Object target)

Method Details

getRequiredIdentifier

public Object getRequiredIdentifier()

Description copied from interface: IdentifierAccessor

Returns the identifier of the underlying instance. Implementations are strongly recommended to extends either TargetAwareIdentifierAccessor or override this method to add more context to the exception being thrown in case of the absence of an identifier.

Specified by:

getRequiredIdentifier in interface IdentifierAccessor

Returns:

the identifier of the underlying instance