41 lines
865 B
C++
41 lines
865 B
C++
/*
|
|
* EntryBuffer.h
|
|
*
|
|
* Created on: 2014Äê7ÔÂ3ÈÕ
|
|
* Author: hanshuo
|
|
*/
|
|
|
|
#ifndef ENTRYBUFFER_H_
|
|
#define ENTRYBUFFER_H_
|
|
|
|
class SigEntry;
|
|
#include<stdio.h>
|
|
|
|
/* EntryBuffer is used to loading entries from hard disk when building VSTree. */
|
|
class EntryBuffer
|
|
{
|
|
private:
|
|
int capacity;
|
|
int num;
|
|
SigEntry* elems;
|
|
public:
|
|
|
|
static int DEFAULT_CAPACITY;
|
|
|
|
EntryBuffer(int _capacity=200000); // to be determine the default capacity.
|
|
~EntryBuffer();
|
|
int getCapacity()const;
|
|
int getNum()const;
|
|
bool isEmpty()const;
|
|
bool isFull()const;
|
|
SigEntry* getElem(int _i);
|
|
bool insert(const SigEntry& _entry);
|
|
int fillElemsFromFile(FILE* _p_file); // fill this buffer with SigEntry from _p_file, until the buffer is full or meeting EOF.
|
|
void clear();
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif /* ENTRYBUFFER_H_ */
|