/*
 * Copyright 2018 febit.org.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.febit.lang;

import java.util.Objects;

/**
 * Represents an operation that accepts tree input arguments and returns no result.
 *
 * @param <T> the type of the first argument to the operation
 * @param <U> the type of the second argument to the operation
 * @param <V> the type of the third argument to the operation
 *
 * @see java.util.function.Consumer
 * @author zqq90
 */
@FunctionalInterface
public interface TerConsumer<T, U, V> {

    /**
     * Performs this operation on the given arguments.
     *
     * @param t the first input argument
     * @param u the second input argument
     * @param v the third input argument
     */
    void accept(T t, U u, V v);

    /**
     * Returns a composed {@code TerConsumer} that performs, in sequence, this operation followed by the {@code after}
     * operation.
     *
     * @param after the operation to perform after this operation
     * @return a composed {@code TerConsumer} that performs in sequence this operation followed by the {@code after}
     * operation
     * @throws NullPointerException if {@code after} is null
     */
    default TerConsumer<T, U, V> andThen(TerConsumer<? super T, ? super U, ? super V> after) {
        Objects.requireNonNull(after);
        return (t, u, v) -> {
            accept(t, u, v);
            after.accept(t, u, v);
        };
    }
}

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