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package Torello.Java.Function;

/**
 * Function-Pointer
 * <SPAN CLASS=TJF>Input:</SPAN> {@code A, B, C, D}
 * <SPAN CLASS=TJF>Output:</SPAN> {@code void}.
 * 
 * <BR /><BR />
 * <EMBED CLASS='external-html' DATA-FILE-ID=BIG_CONSUMER>
 * <EMBED CLASS="globalDefs" DATA-Name='Quad Consumer' DATA-Number=four>
 * 
 * @param <A> The type of the first input-parameter.
 * @param <B> The type of the second input-parameter.
 * @param <C> The type of the third input-parameter.
 * @param <D> The type of the last input-parameter.
 */
@FunctionalInterface
public interface QuadConsumer<A, B, C, D>
{
    /**
     * Performs {@code 'this'} operation on the given arguments.
     * <BR /><BR /><EMBED CLASS='external-html' DATA-FILE-ID=FUNC_INTER_METH>
     *
     * @param a the first input argument
     * @param b the second input argument
     * @param c the third input argument
     * @param d the fourth input argument
     */
    public void accept(A a, B b, C c, D d);

    /**
     * <EMBED CLASS='external-html' DATA-FILE-ID=CON_AND_THEN_METHOD>
     * @param after <EMBED CLASS='external-html' DATA-FILE-ID=CON_AND_THEN_AFTER>
     * @return <EMBED CLASS='external-html' DATA-FILE-ID=CON_AND_THEN_RETURN>
     * @throws NullPointerException if parameter {@code 'other'} is null.
     */
    default QuadConsumer<A, B, C, D> andThen
        (QuadConsumer<? super A, ? super B, ? super C, ? super D> after)
    { 
        if (after == null)
            throw new NullPointerException("null has been passed to parameter 'after'");

        return (A a, B b, C c, D d) ->
        {
            this.accept(a, b, c, d);
            after.accept(a, b, c, d);
        };
    }
 
}