ErrorMessageProvider (vaadin-server 8.27.3 API)

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
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  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
```
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