| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #ifndef ARRAY_TUPLE_INTERSECTION_HPP_ |
| #define ARRAY_TUPLE_INTERSECTION_HPP_ |
| |
| #include <vector> |
| #include <memory> |
| |
| #include "array_tuple_sketch.hpp" |
| #include "tuple_intersection.hpp" |
| |
| namespace datasketches { |
| |
| /// array tuple intersection |
| template< |
| typename Array, |
| typename Policy, |
| typename Allocator = typename Array::allocator_type |
| > |
| class array_tuple_intersection: public tuple_intersection<Array, Policy, Allocator> { |
| public: |
| using Base = tuple_intersection<Array, Policy, Allocator>; |
| using CompactSketch = compact_array_tuple_sketch<Array, Allocator>; |
| using resize_factor = theta_constants::resize_factor; |
| |
| /** |
| * Constructor |
| * @param seed for the hash function that was used to create the sketch |
| * @param policy user-defined way of combining Summary during intersection |
| * @param allocator to use for allocating and deallocating memory |
| */ |
| explicit array_tuple_intersection(uint64_t seed = DEFAULT_SEED, const Policy& policy = Policy(), const Allocator& allocator = Allocator()); |
| |
| /** |
| * Produces a copy of the current state of the intersection. |
| * If update() was not called, the state is the infinite "universe", |
| * which is considered an undefined state, and throws an exception. |
| * @param ordered optional flag to specify if an ordered sketch should be produced |
| * @return the result of the intersection as a compact sketch |
| */ |
| CompactSketch get_result(bool ordered = true) const; |
| }; |
| |
| } /* namespace datasketches */ |
| |
| #include "array_tuple_intersection_impl.hpp" |
| |
| #endif |