| /* |
| * 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 THETA_SET_DIFFERENCE_BASE_HPP_ |
| #define THETA_SET_DIFFERENCE_BASE_HPP_ |
| |
| #include "theta_comparators.hpp" |
| #include "theta_update_sketch_base.hpp" |
| |
| namespace datasketches { |
| |
| template< |
| typename Entry, |
| typename ExtractKey, |
| typename CompactSketch, |
| typename Allocator |
| > |
| class theta_set_difference_base { |
| public: |
| using comparator = compare_by_key<ExtractKey>; |
| using AllocU64 = typename std::allocator_traits<Allocator>::template rebind_alloc<uint64_t>; |
| using hash_table = theta_update_sketch_base<uint64_t, trivial_extract_key, AllocU64>; |
| |
| theta_set_difference_base(uint64_t seed, const Allocator& allocator = Allocator()); |
| |
| template<typename FwdSketch, typename Sketch> |
| CompactSketch compute(FwdSketch&& a, const Sketch& b, bool ordered) const; |
| |
| private: |
| Allocator allocator_; |
| uint16_t seed_hash_; |
| }; |
| |
| } /* namespace datasketches */ |
| |
| #include "theta_set_difference_base_impl.hpp" |
| |
| #endif |