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package Torello.Java.Function;

/**
 * Function-Pointer
 * <SPAN CLASS=TJF>Input:</SPAN> {@code int, short}
 * <SPAN CLASS=TJF>Output:</SPAN> {@code boolean}.
 * 
 * <BR /><BR />
 * <EMBED CLASS='external-html' DATA-FILE-ID=TWO_PRIMITIVE_PRED>
 * <EMBED CLASS="globalDefs" DATA-Type1=int DATA-Type2=short>
 */
@FunctionalInterface
public interface IntShortPredicate
{
    /**
     * Evaluates this predicate on the given arguments.
     * <BR /><BR /><EMBED CLASS='external-html' DATA-FILE-ID=FUNC_INTER_METH>
     *
     * @param i The integer (first) argument to the predicate.
     * @param s The short (second) argument to the predicate.
     * @return {@code TRUE} if the input arguments match this predicate, and <B>FALSE</B> otherwise.
     */
    public boolean test(int i, short s);

    /**
     * <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 IntShortPredicate and(IntShortPredicate other)
    {
        if (other == null)
            throw new NullPointerException("null has been passed to parameter 'other'");

        return (int i, short s) -> this.test(i, s) && other.test(i, s);
    }

    /**
     * <EMBED CLASS='external-html' DATA-FILE-ID=PRED_NEGATE_METHOD>
     * @return <EMBED CLASS='external-html' DATA-FILE-ID=PRED_NEGATE_RETURN>
     */
    default IntShortPredicate negate()
    { return (int i, short s) -> ! this.test(i, s); }

    /**
     * <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 IntShortPredicate or(IntShortPredicate other)
    {
        if (other == null)
            throw new NullPointerException("null has been passed to parameter 'other'");

        return (int i, short s) -> this.test(i, s) || other.test(i, s);
    }
}