/* bucketfile.h
 *
 * This is the header file for the Bucketfile data type.
 *
 */

#ifndef BUCKETFILE_H
#define BUCKETFILE_H

#include <string>
using namespace std;

// This is the Bucketfile class
// It represents a Bucketfile entry from the input file.


class Bucketfile {
 private:
  int      numKeys;         			// the number of keys
  int      depthBucket;         		// the depth of the bucket
  long int keys0,keys1,keys2,keys3,keys4;          // the keys---student's id
  int      recAddr0,recAddr1,recAddr2,recAddr3,recAddr4;    // the keys' record address

  int      maxKeysize;

  int numKeys_length;
  int depthBucket_length;
  int keys_length;
  int recAddr_length;
  


// set the record size, which is the sum of the lengths
// of the student number field, the name field, and 
// extra end-of-line characters 
  int recsize;
 
 public:  

  // This constructor sets up the Student object.
  Bucketfile();
  // This is the destructor for the class.
  virtual ~Bucketfile();

  // NumKeys accessors
  int getNumKeys() const;
  void setNumKeys(int);

  // DepthBucket accessors
  int getDepthBucket() const;
  void setDepthBucket(int);
  
  // Keys accessors
  long int getKeys0() const;
  void setKeys0(long int);

  // Keys accessors
  long int getKeys1() const;
  void setKeys1(long int);

  // Keys accessors
  long int getKeys2() const;
  void setKeys2(long int);

  // Keys accessors
  long int getKeys3() const;
  void setKeys3(long int);

  // Keys accessors
  long int getKeys4() const;
  void setKeys4(long int);

  // RecAddr accessors
  int getRecAddr0() const;
  void setRecAddr0(int);

  // RecAddr accessors
  int getRecAddr1() const;
  void setRecAddr1(int);

  // RecAddr accessors
  int getRecAddr2() const;
  void setRecAddr2(int);

  // RecAddr accessors
  int getRecAddr3() const;
  void setRecAddr3(int);

  // RecAddr accessors
  int getRecAddr4() const;
  void setRecAddr4(int);

  // seek to the appropriate position for reading
  void InputPositioningByRRN(int RRN, istream&);

  // seek to the appropriate position for writing
  void OutputPositioningByRRN(int RRN, ostream&);

  // modify the name of a student stored in a file 
  void ModifyBucketFileNumKeys(int, ostream&,int);

  // modify the name of a student stored in a file 
  void ModifyBucketFileDepthBucket(int, ostream&,int);

  // modify the name of a student stored in a file 
  void ModifyBucketFileKey(int, ostream&, long,int);
  
  // modify the name of a student stored in a file 
  void ModifyBucketFileRecAddr(int, ostream&, int,int);

  // modify the line to a void line 
  void ModifyBucketFileToVoid(int, ostream&);


  // read a bucket in the bucket file
  void readBucketfile(int, istream&); 

  // write a bucket in the bucket file
  void writeBucketfile(ostream& output);


};

#endif