Package org.hibernate.engine

Class IdentifierValue

java.lang.Object

org.hibernate.engine.IdentifierValue

public class IdentifierValue
extends Object

A strategy for determining if an identifier value is an identifier of a new transient instance or a previously persistent transient instance. The strategy is determined by the unsaved-value attribute in the mapping file.

Field Summary

Fields

Modifier and Type	Field	Description
static final IdentifierValue	ANY	Always assume the transient instance is newly instantiated
static final IdentifierValue	NONE	Never assume the transient instance is newly instantiated
static final IdentifierValue	NULL	Assume the transient instance is newly instantiated if the identifier is null.
static final IdentifierValue	UNDEFINED	Assume nothing.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	IdentifierValue()
	IdentifierValue(Serializable value)	Assume the transient instance is newly instantiated if its identifier is null or equal to value

Method Summary

Modifier and Type	Method	Description
Serializable	getDefaultValue(Serializable currentValue)
Boolean	isUnsaved(Serializable id)	Does the given identifier belong to a new instance?
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

ANY

public static final IdentifierValue ANY

Always assume the transient instance is newly instantiated

NONE

public static final IdentifierValue NONE

Never assume the transient instance is newly instantiated

NULL

public static final IdentifierValue NULL

Assume the transient instance is newly instantiated if the identifier is null.

UNDEFINED

public static final IdentifierValue UNDEFINED

Assume nothing.

Constructor Details

IdentifierValue

protected IdentifierValue()

IdentifierValue

public IdentifierValue(Serializable value)

Assume the transient instance is newly instantiated if its identifier is null or equal to value

Method Details

isUnsaved

public Boolean isUnsaved(Serializable id)

Does the given identifier belong to a new instance?

getDefaultValue

public Serializable getDefaultValue(Serializable currentValue)

toString

public String toString()

Overrides:

toString in class Object