static void Main(string[] args)
{
"Testing DBFactory Package".title('=');
WriteLine();
DBFactoryTest dbft = new DBFactoryTest();
"\nCreation of immutable database".title();
WriteLine();
"\nOriginal database".title();
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
dbft.insertData(db);
"\n Fetch all the keys which are even from the above database".title();
try
{
QueryEngine <int, DBElement <int, string> > qEngine = new QueryEngine <int, DBElement <int, string> >(db);
Dictionary <int, DBElement <int, string> > dictFactory = new Dictionary <int, DBElement <int, string> >();
DBFactory <int, DBElement <int, string> > dbFactory;
var keys = qEngine.getListKeyPattern();
if (keys != null)
{
foreach (var key in keys)
{
var val = db.getValueOfKey(key);
dictFactory.Add(key, val); //add keys and values to the dictionary
}
dbFactory = new DBFactory <int, DBElement <int, string> >(dictFactory); //store the dictionary in the
WriteLine("\nThe below key/value pairs with even keys pattern are saved as an immutable database\n");
dbFactory.showDB(); //display the immutable database
WriteLine();
WriteLine();
}
else
{
WriteLine("\nNo keys are obtained from a query for creation of immutable database\n");
}
WriteLine();
WriteLine();
}
catch (Exception e)
{
Console.WriteLine("\n" + e.Message + "\n");
}
}
static void Main(string[] args)
{
"Testing DBFactory Package".title('=');
WriteLine();
DBFactoryTest dbft = new DBFactoryTest();
"\nCreation of immutable database".title();
WriteLine();
"\nOriginal database".title();
DBEngine<int, DBElement<int, string>> db = new DBEngine<int, DBElement<int, string>>();
dbft.insertData(db);
"\n Fetch all the keys which are even from the above database".title();
try
{
QueryEngine<int, DBElement<int, string>> qEngine = new QueryEngine<int, DBElement<int, string>>(db);
Dictionary<int, DBElement<int, string>> dictFactory = new Dictionary<int, DBElement<int, string>>();
DBFactory<int, DBElement<int, string>> dbFactory;
var keys = qEngine.getListKeyPattern();
if (keys != null)
{
foreach (var key in keys)
{
var val = db.getValueOfKey(key);
dictFactory.Add(key, val); //add keys and values to the dictionary
}
dbFactory = new DBFactory<int, DBElement<int, string>>(dictFactory); //store the dictionary in the
WriteLine("\nThe below key/value pairs with even keys pattern are saved as an immutable database\n");
dbFactory.showDB(); //display the immutable database
WriteLine();
WriteLine();
}
else
{
WriteLine("\nNo keys are obtained from a query for creation of immutable database\n");
}
WriteLine();
WriteLine();
}
catch (Exception e)
{
Console.WriteLine("\n" + e.Message + "\n");
}
}