| /* |
| * 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 _COUPONLIST_HPP_ |
| #define _COUPONLIST_HPP_ |
| |
| #include "HllSketchImpl.hpp" |
| #include "coupon_iterator.hpp" |
| |
| #include <iostream> |
| |
| namespace datasketches { |
| |
| template<typename A> |
| class HllSketchImplFactory; |
| |
| template<typename A> |
| class CouponList : public HllSketchImpl<A> { |
| public: |
| CouponList(uint8_t lgConfigK, target_hll_type tgtHllType, hll_mode mode, const A& allocator); |
| CouponList(const CouponList& that, target_hll_type tgtHllType); |
| |
| static CouponList* newList(const void* bytes, size_t len, const A& allocator); |
| static CouponList* newList(std::istream& is, const A& allocator); |
| virtual vector_u8<A> serialize(bool compact, unsigned header_size_bytes) const; |
| virtual void serialize(std::ostream& os, bool compact) const; |
| |
| virtual ~CouponList() = default; |
| virtual std::function<void(HllSketchImpl<A>*)> get_deleter() const; |
| |
| virtual CouponList* copy() const; |
| virtual CouponList* copyAs(target_hll_type tgtHllType) const; |
| |
| virtual HllSketchImpl<A>* couponUpdate(uint32_t coupon); |
| |
| virtual double getEstimate() const; |
| virtual double getCompositeEstimate() const; |
| virtual double getUpperBound(uint8_t numStdDev) const; |
| virtual double getLowerBound(uint8_t numStdDev) const; |
| |
| virtual bool isEmpty() const; |
| virtual uint32_t getCouponCount() const; |
| |
| coupon_iterator<A> begin(bool all = false) const; |
| coupon_iterator<A> end() const; |
| |
| protected: |
| using ClAlloc = typename std::allocator_traits<A>::template rebind_alloc<CouponList<A>>; |
| |
| using vector_int = std::vector<uint32_t, typename std::allocator_traits<A>::template rebind_alloc<uint32_t>>; |
| |
| HllSketchImpl<A>* promoteHeapListToSet(CouponList& list); |
| HllSketchImpl<A>* promoteHeapListOrSetToHll(CouponList& src); |
| |
| virtual uint32_t getUpdatableSerializationBytes() const; |
| virtual uint32_t getCompactSerializationBytes() const; |
| virtual uint32_t getMemDataStart() const; |
| virtual uint8_t getPreInts() const; |
| virtual bool isCompact() const; |
| virtual bool isOutOfOrderFlag() const; |
| virtual void putOutOfOrderFlag(bool oooFlag); |
| |
| virtual A getAllocator() const; |
| |
| uint32_t couponCount_; |
| bool oooFlag_; |
| vector_int coupons_; |
| |
| friend class HllSketchImplFactory<A>; |
| }; |
| |
| } |
| |
| #endif /* _COUPONLIST_HPP_ */ |