Package org.apache.lucene.util

Interface IOFunction<T,R>

Type Parameters:

T - the type of the input to the function

R - the type of the result of the function

All Superinterfaces:

IOUtils.IOFunction<T,R>

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 IOFunction<T,R>
extends IOUtils.IOFunction<T,R>

A Function that may throw an IOException

See Also:

• Function

Method Summary

Modifier and Type	Method	Description
R	apply(T t)	Applies this function to the given argument.

Method Details

apply

R apply(T t)
 throws IOException

Applies this function to the given argument.

Specified by:

apply in interface IOUtils.IOFunction<T,R>

Parameters:

t - the function argument

Returns:

the function result

Throws:

IOException - if producing the result throws an IOException