org.hibernate.engine.spi

Interface UnsavedValueStrategy

All Known Implementing Classes:

IdentifierValue, VersionValue

public interface UnsavedValueStrategy

The base contract for determining transient status versus detached status.

Author:

Steve Ebersole

Method Summary

Modifier and Type	Method and Description
Object	getDefaultValue(Object currentValue) Get a default value meant to indicate transience.
Boolean	isUnsaved(Object test) Make the transient/detached determination

Method Detail

isUnsaved

Boolean isUnsaved(Object test)

Make the transient/detached determination

Parameters:

test - The value to be tested

Returns:

true indicates the value corresponds to unsaved data (aka, transient state; false indicates the value does not corresponds to unsaved data (aka, detached state); null indicates that this strategy was not able to determine conclusively.

getDefaultValue

Object getDefaultValue(Object currentValue)

Get a default value meant to indicate transience.

Parameters:

currentValue - The current state value.

Returns:

The default transience value.