yolean/src/main/java/com/yahoo/yolean/function/ThrowingConsumer.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.yolean.function;

import java.util.Objects;

/**
 * Functional interface that mirrors the Consumer interface, but allows for an
 * exception to be thrown.
 *
 * @author oyving
 */
@FunctionalInterface
public interface ThrowingConsumer<T, E extends Throwable> {
    void accept(T input) throws E;

    default ThrowingConsumer<T, E> andThen(ThrowingConsumer<? super T, ? extends E> after) {
        Objects.requireNonNull(after);
        return (T t) -> { accept(t); after.accept(t); };
    }
}