com.vaadin.server.SerializableFunction API 8.14.0.alpha1 | Vaadin

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com.vaadin.server.

Type Parameters:

T - the type of the input to the function

R - the type of the result of the function

All Superinterfaces:

Function<T,R>, Serializable

All Known Subinterfaces:

ComboBox.NewItemProvider<T>, DescriptionGenerator<T>, DescriptionGenerator<T>, DetailsGenerator<T>, ErrorMessageProvider, IconGenerator<T>, ItemCaptionGenerator<T>, SortOrderProvider, StyleGenerator<T>, ValueProvider<SOURCE,TARGET>

All Known Implementing Classes:

ComboBox.DeclarativeStyleGenerator

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 SerializableFunction<T,R>
extends Function<T,R>, Serializable
```
A Function that is also Serializable.

Since:

8.0

Author:

Vaadin Ltd

See Also:

Function

- Method Summary
  
  All Methods
  Modifier and Type Method and Description
  
  static <T> SerializableFunction<T,T> identity()
  Returns a function that always returns its input argument.
  - Methods inherited from interface java.util.function.Function
    andThen, apply, compose

- Method Detail
  - identity
```
static <T> SerializableFunction<T,T> identity()
```
    Returns a function that always returns its input argument.
    
    Specified by:
    
    identity in interface Function<T,R>
    
    Type Parameters:
    
    T - the type of the input and output objects to the function
    
    Returns:
    
    a function that always returns its input argument