virtual void generateDB() = 0;
virtual void addSequence(Sequence) = 0; //add sequence to search engine
virtual vector<int> findClosestSequences(Sequence*, int) = 0; // returns indexes of n closest sequences to query
virtual void generateDB() = 0;
virtual void addSequence(Sequence) = 0; //add sequence to search engine
virtual vector<int> findClosestSequences(Sequence*, int) = 0; // returns indexes of n closest sequences to query
virtual float getSearchScore();
virtual int getLongestBase();
virtual void readKmerDB(ifstream&){};
virtual float getSearchScore();
virtual int getLongestBase();
virtual void readKmerDB(ifstream&){};