com.whitestein.lsps.vaadin.forms.datasource

Interface ValueAvailiblityIndicator

public interface ValueAvailiblityIndicator

Interface for objects which provide a value. Objects implementing this interface can indicate whether a value is available or not. This allows to make a distinction between a null value and a case when the value is not available.

Author:

jsa

Method Summary

Modifier and Type	Method and Description
boolean	isValueAvailable() Indicates whether a value is available or not.

Method Detail

isValueAvailable

boolean isValueAvailable()

Indicates whether a value is available or not.

Returns:

true if the value is available; otherwise false.