org.springframework.data.relational.core.query

Interface ValueFunction<T>

All Superinterfaces:

Function<Escaper,T>

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 ValueFunction<T>
extends Function<Escaper,T>

Represents a value function to return arbitrary values that can be escaped before returning the actual value. Can be used with the criteria API for deferred value retrieval.

Since:

2.0

Author:

Mark Paluch

See Also:

Escaper, Supplier

Method Summary

Modifier and Type	Method and Description
T	apply(Escaper escaper) Produces a value by considering the given Escaper.
default Supplier<T>	toSupplier(Escaper escaper) Adapts this value factory into a Supplier by using the given Escaper.

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Method Detail

apply

@Nullable
T apply(Escaper escaper)

Produces a value by considering the given Escaper.

Specified by:

apply in interface Function<Escaper,T>

Parameters:

escaper - the escaper to use.

Returns:

the return value, may be null.

toSupplier

default Supplier<T> toSupplier(Escaper escaper)

Adapts this value factory into a Supplier by using the given Escaper.

Parameters:

escaper - the escaper to use.

Returns:

the value factory