heapfilescanner.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
 */

#pragma once

#include <string>
#include <vector>
#include <mutex>
#include "swatdb_types.h"
#include "file.h" //for inheritance

class HeapPage;
class HeapFile;

class HeapFileScanner{

  public:

    HeapFileScanner(HeapFile* file);

    ~HeapFileScanner();

    RecordId getNext(Record* record);

  private:

    BufferManager* buf_mgr;

    PageId cur_pid;

    HeapPage* cur_page;

    HeapPageScanner* scanner;

    HeapFile* file;

    bool end_of_full;

    bool end_of_free;
};