| /* |
| * 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 _COUPONHASHSET_HPP_ |
| #define _COUPONHASHSET_HPP_ |
| |
| #include "CouponList.hpp" |
| |
| namespace datasketches { |
| |
| template<typename A = std::allocator<char>> |
| class CouponHashSet : public CouponList<A> { |
| public: |
| static CouponHashSet* newSet(const void* bytes, size_t len); |
| static CouponHashSet* newSet(std::istream& is); |
| explicit CouponHashSet(int lgConfigK, target_hll_type tgtHllType); |
| explicit CouponHashSet(const CouponHashSet& that, target_hll_type tgtHllType); |
| explicit CouponHashSet(const CouponHashSet& that); |
| |
| virtual ~CouponHashSet(); |
| virtual std::function<void(HllSketchImpl<A>*)> get_deleter() const; |
| |
| protected: |
| |
| virtual CouponHashSet* copy() const; |
| virtual CouponHashSet* copyAs(target_hll_type tgtHllType) const; |
| |
| virtual HllSketchImpl<A>* couponUpdate(int coupon); |
| |
| virtual int getMemDataStart() const; |
| virtual int getPreInts() const; |
| |
| friend class HllSketchImplFactory<A>; |
| |
| private: |
| typedef typename std::allocator_traits<A>::template rebind_alloc<CouponHashSet<A>> chsAlloc; |
| bool checkGrowOrPromote(); |
| void growHashSet(int srcLgCoupArrSize, int tgtLgCoupArrSize); |
| }; |
| |
| } |
| |
| #endif /* _COUPONHASHSET_HPP_ */ |