swatdb.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_SWATDB_H_
#define  _SWATDB_SWATDB_H_
 
#include "swatdb_types.h"
 
class BufferManager;
class DiskManager;
class FileManager;
class RelOpsManager;
class Catalog;
class Schema;
 
class SwatDB {
 
  public:
 
    SwatDB(const char *result_path, RepType rep_pol = ClockT);
 
    SwatDB(std::string metadata_filename, const char *result_path,
           RepType rep_pol = ClockT);
 
    ~SwatDB();
 
     // TODO: do we want version of destroyDB and saveDB that
     // actually do the destroying and saving at other times
     // in the execution rather than just set the state to
     // do the right thing on shutdown???
    void setDestroyDB();
 
    void setSaveDB(std::string filename);
 
    Catalog *getCatalog( ) { return cat; }
 
    DiskManager *getDiskMgr( ) { return disk_mgr; }
 
    BufferManager *getBufMgr( ) { return buf_mgr; }
 
    FileManager   *getFileMgr( ) { return file_mgr; }
 
    RelOpsManager   *getRelOpsMgr( ) { return relops_mgr; }
 
    // TODO: do we want to export some information about the DB here
    //       statistics, sizes, etc.
    // TODO: do we want any other interface functions that are
    //       called externally?
 
 
  private:  // or protected
 
    Catalog *cat;
 
    DiskManager *disk_mgr;
 
    // Clock *rep_pol;
 
    BufferManager *buf_mgr;
 
    FileManager *file_mgr;
 
    RelOpsManager *relops_mgr;
 
    bool saved;
 
    std::string inited_file_name;
 
    std::string saved_file_name;
};
 
#endif