001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.utils;
014
015import java.util.function.*;
016
017/**
018 * Functional interface for consumers of 3-part arguments.
019 *
020 * @param <A> Argument 1.
021 * @param <B> Argument 2.
022 * @param <C> Argument 3.
023 */
024@FunctionalInterface
025public interface Consumer3<A,B,C> {
026
027   /**
028    * Performs this operation on the given arguments.
029    *
030    * @param a Argument 1.
031    * @param b Argument 2.
032    * @param c Argument 3.
033    */
034   void apply(A a, B b, C c);
035
036   /**
037    * Returns a composed {@link Consumer} that performs, in sequence, this operation followed by the <c>after</c> operation.
038    *
039    * @param <V> The return type.
040    * @param after The operation to perform after this operation.
041    * @return A composed {@link Consumer} that performs in sequence this operation followed by the after operation.
042    */
043   default <V> Consumer3<A,B,C> andThen(Consumer3<? super A,? super B,? super C> after) {
044      return (A a, B b, C c) -> {
045         apply(a, b, c);
046         after.apply(a, b, c);
047      };
048   }
049}