    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017
    018package org.apache.commons.lang3.function;
    019
    020import java.util.Objects;
    021import java.util.function.Consumer;
    022
    023/**
    024 * Represents an operation that accepts three input arguments and returns no result. This is the three-arity
    025 * specialization of {@link Consumer}. Unlike most other functional interfaces, {@link TriConsumer} is expected to
    026 * operate via side effects.
    027 *
    028 * <p>
    029 * This is a {@link FunctionalInterface} whose functional method is {@link #accept(Object, Object, Object)}.
    030 * </p>
    031 * <p>
    032 * Provenance: Apache Log4j 2.7
    033 * </p>
    034 *
    035 * @param <T> type of the first argument
    036 * @param <U> type of the second argument
    037 * @param <V> type of the third argument
    038 * @since 3.13.0
    039 */
    040@FunctionalInterface
    041public interface TriConsumer<T, U, V> {
    042
    043    /**
    044     * Performs the operation given the specified arguments.
    045     *
    046     * @param k the first input argument
    047     * @param v the second input argument
    048     * @param s the third input argument
    049     */
    050    void accept(T k, U v, V s);
    051
    052    /**
    053     * Returns a composed {@link TriConsumer} that performs, in sequence, this operation followed by the {@code after}
    054     * operation. If performing either operation throws an exception, it is relayed to the caller of the composed
    055     * operation. If performing this operation throws an exception, the {@code after} operation will not be performed.
    056     *
    057     * @param after the operation to perform after this operation.
    058     * @return a composed {@link TriConsumer} that performs in sequence this operation followed by the {@code after}
    059     *         operation.
    060     * @throws NullPointerException if {@code after} is null.
    061     */
    062    default TriConsumer<T, U, V> andThen(final TriConsumer<? super T, ? super U, ? super V> after) {
    063        Objects.requireNonNull(after);
    064
    065        return (t, u, v) -> {
    066            accept(t, u, v);
    067            after.accept(t, u, v);
    068        };
    069    }
    070
    071}