1 package io.atlassian.fugue.extensions.functions;
2
3 /**
4 * Represents a predicate (boolean-valued function) of four arguments.
5 * <p>
6 * This is afunctional interface whose functional method is
7 * {@link #test(Object, Object, Object, Object)}.
8 *
9 * @param <A> the type of the first argument to the predicate
10 * @param <B> the type of the second argument to the predicate
11 * @param <C> the type of the third argument to the predicate
12 * @param <D> the type of the fourth argument to the predicate
13 * @see java.util.function.Predicate
14 * @see java.util.function.BiPredicate
15 * @since 4.7.0
16 */
17 @FunctionalInterface public interface Predicate4<A, B, C, D> {
18
19 /**
20 * Evaluates this predicate on the given arguments.
21 *
22 * @param a the first input argument
23 * @param b the second input argument
24 * @param c the third input argument
25 * @param d the fourth input argument
26 * @return {@code true} if the input arguments match the predicate, otherwise
27 * {@code false}
28 */
29 boolean test(A a, B b, C c, D d);
30
31 }