key.h

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/*
 * SwatDB
 *
 * @authors: See Contributors.doc for code contributors
 *
 * Copyright (c) 2020 Swarthmore College Computer Science Department
 * Swarthmore PA, Professors Tia Newhall, Ameet Soni
 */
 
#ifndef  _SWATDB_KEY_H_
#define  _SWATDB_KEY_H_
 
#include <vector>
#include <string>
#include "swatdb_types.h"
 
class Data;
class SearchKeyFormat;
class Record;
 
class Key;
 
class Key {
 
    public:
 
        Key();
 
 
        Key(std::uint32_t capacity);
 
        Key(SearchKeyFormat* key_format, Data* key_data);
 
        ~Key(){}
 
        SearchKeyFormat* getKeyFormat();
 
        Data* getKeyData();
 
        void setKeyFormat(SearchKeyFormat* new_format);
 
        void setKeyData(Data* new_data);
        void setKeyFromValues(std::vector<void *> values);
 
        void setKeyFromRecord(Record *rec);
 
        Comp compare(Key other);
 
        bool compareDifferent(Key *other_key, std::vector<Comp> comp_list);
 
        bool compareDifferent(Key *other_key, Comp comp_op);
 
        Comp compare(char* other, std::uint32_t size);
        
        HashVal hash();
        
    private:
        SearchKeyFormat* key_format;
 
        Data* key_data;
 
        Comp _compare_field(char *other, std::uint32_t size, FieldId field_id, 
                                FieldType field_type);
};
 
#endif