record.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_RECORD_H_
#define  _SWATDB_RECORD_H_
 
 
 
#include "swatdb_types.h"
 
class Schema;
class Data;
class SearchKeyFormat;
class Key;
 
 
class Record {
 
  public:
 
    Record();
 
    Record(Schema* schema);
 
    Record(Schema* schema, Data* record_data);
 
    ~Record(){}
 
    Schema* getSchema();
 
    Data* getRecordData();
 
    void setSchema(Schema* new_schema);
 
    void setRecordData(Data* new_data);
 
    void setRecordData(std::vector<std::string> tuple_vals);
 
    std::string getFieldData(FieldId field_id);
 
    Key getKey(SearchKeyFormat* key_format, Data* key_data);
 
    bool compareFieldToValue(FieldId field_id, void *value, Comp comp);
 
 
    std::int32_t getIntField(FieldId field_id);
 
    float getFloatField(FieldId field_id);
 
    char *getStringField(FieldId field_id, FieldOffset *length);
 
    void combineRecords(std::vector<FieldId> field_list, Record *other_rec, 
        Record *result_rec);
 
    //TODO: new method setRecordFromRecord, takes result_rec and field_list 
    //   of current record that should be copied into result_rec
 
    void setRecordFromRecord(std::vector<FieldId> field_list, 
                             Record *result_rec);
 
  private:
 
    void _getOffset(FieldId field_id, FieldOffset *offset, 
        FieldOffset *length);
  
    Schema* schema;
 
    Data* record_data;
 
};
 
#endif