2016-09-25 22:14:36 +08:00
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/*
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*
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* EntryBuffer.h
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*
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* Created on: 2014<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD>
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* Author: hanshuo
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*/
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#ifndef ENTRYBUFFER_H_
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#define ENTRYBUFFER_H_
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#include "../Util/Util.h"
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#include "../Signature/SigEntry.h"
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//class SigEntry;
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//EntryBuffer is used to loading entries from hard disk when building VSTree.
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class EntryBuffer
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{
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private:
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int capacity;
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int num;
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SigEntry* elems;
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public:
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static int DEFAULT_CAPACITY;
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EntryBuffer(int _capacity=200000); // to be determine the default capacity.
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~EntryBuffer();
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int getCapacity()const;
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int getNum()const;
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bool isEmpty()const;
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bool isFull()const;
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SigEntry* getElem(int _i);
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bool insert(const SigEntry& _entry);
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int fillElemsFromFile(FILE* _p_file); // fill this buffer with SigEntry from _p_file, until the buffer is full or meeting EOF.
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void clear();
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};
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#endif /* ENTRYBUFFER_H_ */
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