71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
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/*=============================================================================
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# Filename: BloomFilter.cpp
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# Author: Bookug Lobert
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# Mail: 1181955272@qq.com
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# Last Modified: 2016-03-04 17:49
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# Description: implement functions in BloomFilter.h
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=============================================================================*/
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#include "BloomFilter.h"
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BloomFilter::BloomFilter()
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{
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//TODO
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}
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BloomFilter::BloomFilter(unsigned _num)
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{
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//TODO:fix _num to mod 8 == 0
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}
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void
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BloomFilter::init()
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{
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this->filter = (char *)calloc(this->length/8, sizeof(char));
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//TODO:assign hash functions for hfptr
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//assign the rate of false positive, and then compute the length and hfnum according to key num
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}
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BloomFilter::~BloomFilter()
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{
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//TODO
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}
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//NOTICE:there are two ways to change int to string, one digit to one character or just change int* to char*
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//The latter is more efficient because the former consumes space and time:O(32) >= O(lgn)
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void
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BloomFilter::addRecord(int _record)
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{
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//TODO
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}
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void
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BloomFilter::addRecord(const char* _record, unsigned _len)
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{
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//TODO
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}
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bool
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BloomFilter::checkRecord(int _record) const
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{
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//TODO
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return false;
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}
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bool
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BloomFilter::checkRecord(const char* _record, unsigned _len) const
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{
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//TODO
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return false;
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}
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//if( GETBIT(vector, Util::HFLPHash(ch,strlen(ch))%MAX) )
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//{
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//flag++;
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//}
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//else
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//{
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//SETBIT(vector,Util::HFLPHash(ch,strlen(ch))%MAX );
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//}
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