static void LoadDataFromFile(A_HashTable <Person, Person> ht)
{
StreamReader sr = new StreamReader(File.Open("People.txt", FileMode.Open));
string sInput = "";
try
{
//Read a line from the file
while ((sInput = sr.ReadLine()) != null)
{
try
{
char[] cArray = { ' ' };
string[] sArray = sInput.Split(cArray);
int iSSN = Int32.Parse(sArray[0]);
Person p = new Person(iSSN, sArray[2], sArray[1]);
ht.Add(p, p);
}
catch (ApplicationException ae)
{
//Console.WriteLine("Exception: " + ae.Message);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
sr.Close();
}
static void TestExpand(A_HashTable <int, string> ht)
{
ht.Add(23, "Ron");
ht.Add(26, "Jim");
ht.Add(43, "Bob");
ht.Add(33, "Jane");
ht.Add(17, "Bryce");
}
static void TestHT(A_HashTable <Person, Person> ht)
{
LoadDataFromFile(ht);
//Console.WriteLine(ht);
Console.WriteLine("Hash table type " + ht.GetType().ToString());
Console.WriteLine("# of People = " + ht.Count);
Console.WriteLine("Number of collisions: " + ht.NumCollisions + "\n");
}
static void TestAdd(A_HashTable <int, string> ht)
{
ht.Add(11, "Rob");
ht.Add(15, "Grace");
// shouldn't add "John" he has a dplicate key
ht.Add(15, "John");
ht.Add(20, "Luke");
ht.Add(25, "Cuong");
ht.Add(26, "Jaryd");
ht.Add(9, "Austin");
//ht.Add(17, "Bryce");
}
static void TestGet(A_HashTable <int, string> ht)
{
try
{
// find "Cuong"
Console.WriteLine(ht.Get(25));
// attempt to get a key that doesn't exist in the hash table
Console.WriteLine(ht.Get(33));
}
catch (KeyNotFoundException knfe)
{
Console.WriteLine(knfe.Message);
}
}
static void TestRemove(A_HashTable <int, string> ht)
{
try
{
// remove "Rob" (become tombstone)
ht.Remove(11);
// remove "Austin" (become tombstone)
ht.Remove(9);
// uncomment this line if you want to see the Tombstone left by
// "Rob" be replaced by a new BST with "Test1" inside it.
//ht.Add(11, "Test1");
// remove a key that doesn't exist (will return an error)
ht.Remove(33);
}
catch (KeyNotFoundException knfe)
{
Console.WriteLine(knfe.Message);
}
}
