/** * Creates node predicate that evaluates to {@code true} for all provided node IDs. Implementation * will make a defensive copy. * * @param ids Optional node IDs. If none provided - predicate will always return {@code false}. */ public GridNodePredicate(@Nullable UUID... ids) { if (F.isEmpty(ids)) this.ids = Collections.emptySet(); else if (ids.length == 1) this.ids = Collections.singleton(ids[0]); else { this.ids = new HashSet<>(ids.length); Collections.addAll(this.ids, ids); } }