Interface UnsavedValueStrategy

All Known Implementing Classes:

IdentifierValue, VersionValue

public interface UnsavedValueStrategy

The base contract for determining transient status versus detached status.

Method Summary

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

Method Details

isUnsaved

@Nullable Boolean isUnsaved(@Nullable 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

@Nullable Object getDefaultValue(@Nullable Object currentValue)

Get a default value meant to indicate transience.

Parameters:

currentValue - The current state value.

Returns:

The default transience value.