public void Start()
{
Console.WriteLine("--- Extended Hashing Tester ---");
UtilityOperations.GetDiskFreeSpace("C:\\", out var SectorsPerCluster, out var BytesPerSector, out var NumberOfFreeClusters, out var TotalNumberOfClusters);
var ClusterSize = SectorsPerCluster * BytesPerSector;
var emptyProp = new Property();
Console.WriteLine($"Record size: {emptyProp.GetSize()}");
Console.WriteLine($"Cluster size: {ClusterSize}");
var bFactor = (ClusterSize - 8) / emptyProp.GetSize();
Console.WriteLine($"Recomended BFactor: {bFactor}");
Console.Write($"Blocking factor (default {bFactor}): ");
var inp = Console.ReadLine();
bFactor = string.IsNullOrWhiteSpace(inp) ? bFactor : int.Parse(inp);
Console.Write("File path (default file.dat): ");
inp = Console.ReadLine();
inp = String.IsNullOrWhiteSpace(inp) ? "file.dat" : inp;
hashing = new ExtendibleHashingDirectory <Property>(inp, bFactor, 9);
Console.Write("Seed (default is random): ");
inp = Console.ReadLine();
var seed = string.IsNullOrWhiteSpace(inp) ? Guid.NewGuid().GetHashCode() : int.Parse(inp);
Console.WriteLine($"Seed = {seed}");
rnd = new Random(seed);
helpStructure = new Dictionary <int, Property>();
do
{
Console.WriteLine();
PrintStats();
Console.WriteLine();
PrintMenu();
GetInput();
Console.WriteLine();
HandleInput();
} while (!exit);
}
public PropertyStorage()
{
_context = new ExtendibleHashingDirectory <Property>("properties.dat", 3, 6);
}
