| /* |
| * 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 _HLL4ARRAY_HPP_ |
| #define _HLL4ARRAY_HPP_ |
| |
| #include "AuxHashMap.hpp" |
| #include "HllArray.hpp" |
| |
| namespace datasketches { |
| |
| template<typename A> |
| class Hll4Iterator; |
| |
| template<typename A> |
| class Hll4Array final : public HllArray<A> { |
| public: |
| explicit Hll4Array(int lgConfigK, bool startFullSize); |
| explicit Hll4Array(const Hll4Array<A>& that); |
| |
| virtual ~Hll4Array(); |
| virtual std::function<void(HllSketchImpl<A>*)> get_deleter() const; |
| |
| virtual Hll4Array* copy() const; |
| |
| inline uint8_t getSlot(int slotNo) const; |
| inline void putSlot(int slotNo, uint8_t value); |
| inline uint8_t get_value(uint32_t index) const; |
| |
| virtual int getUpdatableSerializationBytes() const; |
| virtual int getHllByteArrBytes() const; |
| |
| virtual HllSketchImpl<A>* couponUpdate(int coupon) final; |
| void mergeHll(const HllArray<A>& src); |
| |
| virtual AuxHashMap<A>* getAuxHashMap() const; |
| // does *not* delete old map if overwriting |
| void putAuxHashMap(AuxHashMap<A>* auxHashMap); |
| |
| virtual typename HllArray<A>::const_iterator begin(bool all = false) const; |
| virtual typename HllArray<A>::const_iterator end() const; |
| |
| private: |
| void internalCouponUpdate(int coupon); |
| void internalHll4Update(int slotNo, int newVal); |
| void shiftToBiggerCurMin(); |
| |
| AuxHashMap<A>* auxHashMap; |
| }; |
| |
| } |
| |
| #endif /* _HLL4ARRAY_HPP_ */ |