com.vaadin.data

Interface ErrorMessageProvider

All Superinterfaces:

Function<ValueContext,String>, Serializable, SerializableFunction<ValueContext,String>

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 ErrorMessageProvider
extends SerializableFunction<ValueContext,String>

Provider interface for generating localizable error messages using ValueContext.

Since:

8.0

Author:

Vaadin Ltd.

Method Summary

Modifier and Type	Method and Description
String	apply(ValueContext context) Returns a generated error message for given ValueContext.

Methods inherited from interface com.vaadin.server.SerializableFunction

identity

Methods inherited from interface java.util.function.Function

andThen, compose

Method Detail

apply

String apply(ValueContext context)

Returns a generated error message for given ValueContext.

Specified by:

apply in interface Function<ValueContext,String>

Parameters:

context - the value context

Returns:

generated error message