Package com.vaadin.data

Interface ErrorMessageProvider

  • All Superinterfaces:
    java.util.function.Function<ValueContext,​java.lang.String>, java.io.Serializable, SerializableFunction<ValueContext,​java.lang.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,​java.lang.String>
    Provider interface for generating localizable error messages using ValueContext.
    Since:
    8.0
    Author:
    Vaadin Ltd.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      java.lang.String apply​(ValueContext context)
      Returns a generated error message for given ValueContext.

      • Methods inherited from interface java.util.function.Function

        andThen, compose

    • Method Detail

      • apply

        java.lang.String apply​(ValueContext context)
        Returns a generated error message for given ValueContext.
        Specified by:
        apply in interface java.util.function.Function<ValueContext,​java.lang.String>
        Parameters:
        context - the value context
        Returns:
        generated error message