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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

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 *

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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package java.util.function;

import java.util.Objects;

/**

 * Represents an operation that accepts a single {@code int}-valued argument and

 * returns no result.  This is the primitive type specialization of

 * {@link Consumer} for {@code int}.  Unlike most other functional interfaces,

 * {@code IntConsumer} is expected to operate via side-effects.

 *

 * <p>This is a <a href="package-summary.html">functional interface</a>

 * whose functional method is {@link #accept(int)}.

 *

 * @see Consumer

 * @since 1.8

 */

@FunctionalInterface

public interface IntConsumer {

    /**

     * Performs this operation on the given argument.

     *

     * @param value the input argument

     */

    void accept(int value);

    /**

     * Returns a composed {@code IntConsumer} that performs, in sequence, this

     * operation followed by the {@code after} operation. If performing either

     * operation throws an exception, it is relayed to the caller of the

     * composed operation.  If performing this operation throws an exception,

     * the {@code after} operation will not be performed.

     *

     * @param after the operation to perform after this operation

     * @return a composed {@code IntConsumer} that performs in sequence this

     * operation followed by the {@code after} operation

     * @throws NullPointerException if {@code after} is null

     */

    default IntConsumer andThen(IntConsumer after) {

        Objects.requireNonNull(after);

        return (int t) -> { accept(t); after.accept(t); };

    }

}