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package Torello.Java.Function;

/**
 * Function-Pointer
 * <SPAN CLASS=TJF>Input:</SPAN> {@code A, B, C, D, E, F}
 * <SPAN CLASS=TJF>Output:</SPAN> {@code boolean}.
 * 
 * <BR /><BR />
 * <EMBED CLASS='external-html' DATA-FILE-ID=BIG_PREDICATE>
 * <EMBED CLASS="globalDefs" DATA-Name='Hex Predicate' DATA-Number=six>
 * 
 * @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 fourth input-parameter.
 * @param <E> The type of the fifth input-parameter.
 * @param <F> The type of the last input-parameter.
 */
@FunctionalInterface
public interface HexPredicate<A, B, C, D, E, F>
{
    /**
     * Evaluates {@code "this"} predicate 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
     * @param e the fifth input argument
     * @param f the sixth input argument
     * @return {@code TRUE} if the input arguments match the predicate, otherwise <B>FALSE</B>
     */
    public boolean test(A a, B b, C c, D d, E e, F f);

    /**
     * <EMBED CLASS='external-html' DATA-FILE-ID=PRED_AND_METHOD>
     * @param other A predicate that will be logically-AND'ed with this predicate
     * @return <EMBED CLASS='external-html' DATA-FILE-ID=PRED_AND_RETURN>
     * @throws NullPointerException if parameter {@code 'other'} is null.
     */
    default HexPredicate<A, B, C, D, E, F> and
        (HexPredicate<? super A, ? super B, ? super C, ? super D, ? super E, ? super F> other)
    {
        if (other == null)
            throw new NullPointerException("null has been passed to parameter 'other");

        return (A a, B b, C c, D d, E e, F f) -> 
            this.test(a, b, c, d, e, f) && other.test(a, b, c, d, e, f);
    }

    /**
     * <EMBED CLASS='external-html' DATA-FILE-ID=PRED_NEGATE_METHOD>
     * @return <EMBED CLASS='external-html' DATA-FILE-ID=PRED_NEGATE_RETURN>
     */
    default HexPredicate<A, B, C, D, E, F> negate()
    { return (A a, B b, C c, D d, E e, F f) -> ! this.test(a, b, c, d, e, f); }

    /**
     * <EMBED CLASS='external-html' DATA-FILE-ID=PRED_OR_METHOD>
     * @param other a predicate that will be logically-ORed with this predicate
     * @return <EMBED CLASS='external-html' DATA-FILE-ID=PRED_OR_RETURN>
     * @throws NullPointerException if parameter {@code 'other'} is null.
     */
    default HexPredicate<A, B, C, D, E, F> or
        (HexPredicate<? super A, ? super B, ? super C, ? super D, ? super E, ? super F> other)
    {
        if (other == null)
            throw new NullPointerException("null has been passed to parameter 'other");

        return (A a, B b, C c, D d, E e, F f) ->
            this.test(a, b, c, d, e, f) || other.test(a, b, c, d, e, f);
    }
}