Interface BinderValidationStatusHandler<BEAN>

Type Parameters:

BEAN - the bean type of binder

All Superinterfaces:

EventListener, Serializable, SerializableEventListener

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface BinderValidationStatusHandler<BEAN>
extends SerializableEventListener

Handler for BinderValidationStatus changes.

Register an instance of this class to be able to customize validation status handling.

The default handler will show an error message for failed field validations. For bean level validation errors it will display the first error message in status label, if one has been set.

Since:

8.0

Author:

Vaadin Ltd

See Also:

BinderValidationStatus, Binder.validate(), BindingValidationStatus