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.function.ObjDoubleConsumer;
021
022/**
023 * A functional interface like {@link ObjDoubleConsumer} that declares a {@code Throwable}.
024 *
025 * @param <T> the type of the object argument to the operation.
026 * @param <E> Thrown exception.
027 * @since 3.11
028 */
029@FunctionalInterface
030public interface FailableObjDoubleConsumer<T, E extends Throwable> {
031
032    /** NOP singleton */
033    @SuppressWarnings("rawtypes")
034    FailableObjDoubleConsumer NOP = (t, u) -> {/* NOP */};
035
036    /**
037     * Returns The NOP singleton.
038     *
039     * @param <T> the type of the object argument to the operation.
040     * @param <E> Thrown exception.
041     * @return The NOP singleton.
042     */
043    static <T, E extends Throwable> FailableObjDoubleConsumer<T, E> nop() {
044        return NOP;
045    }
046
047    /**
048     * Accepts the consumer.
049     *
050     * @param object the object parameter for the consumable to accept.
051     * @param value the double parameter for the consumable to accept.
052     * @throws E Thrown when the consumer fails.
053     */
054    void accept(T object, double value) throws E;
055}