Package com.vaadin.server

Interface SerializableFunction<T,R>

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

Static Methods

Modifier and Type	Method	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.

Type Parameters:

T - the type of the input and output objects to the function

Returns:

a function that always returns its input argument