//assuming this method is not called during initialization as it raises Data_Bank_Change event
public void AddEntry(FutureEntry fe)
{
if (ForceUpdate || isNewerEntry(fe))
{
databank[fe.id] = fe;
Data_Bank_Change(this, new EventArgs());
databank_modified = true;
}
}
public void On_Found_Future_Entry(object sender, ScannerEventArg arg)
{
//handles event
FutureEntry fe = arg.Fe;
AddEntry(fe);
FE_Being_Processed(this, new ScannerEventArg(fe));
}
private bool isNewerEntry(FutureEntry fe)
{
if (databank.ContainsKey(fe.id))
{
if (databank[fe.id].publication_date < fe.publication_date)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(true);
}
}
public EntryManager()
{
ForceUpdate = false;
databank = new Dictionary <int, FutureEntry>();
if (File.Exists(data_file_dir) == true)
{
//read from file and populate databank
StreamReader datafile = new StreamReader(data_file_dir);
string line;
while ((line = datafile.ReadLine()) != null)
{
string[] segs = line.Split(delimeter);//delimeter is private static member of this class
try
{
int id = int.Parse(segs[0]);
DateTime f_date = new DateTime(int.Parse(segs[1]), int.Parse(segs[2]), int.Parse(segs[3]));
DateTime p_date = new DateTime(int.Parse(segs[4]), int.Parse(segs[5]), int.Parse(segs[6]));
string title = segs[7];
if (segs.Length > 8)
{
for (int i = 8; i < segs.Length; i++)
{
title += ",";
title += segs[i];
}
}
databank[id] = new FutureEntry(f_date, p_date, id, title);
}
catch
{
continue;
}
}
datafile.Close();
}
else
{
File.Create(data_file_dir);
}
databank_modified = false;
Data_Bank_Change += On_Data_Bank_Change;
}
public IEnumerable <int> KeyIndices()
{
var future = Enumerable.Range(0, FutureLength).Select(i => new FutureEntry(i, Source.Get(i))).ToArray();
for (int index = 0;; index++)
{
int futureIndex = index % FutureLength;
Debug.Assert(future[futureIndex].Index == index);
var current = future[futureIndex].Data;
future[futureIndex] = new FutureEntry(index + FutureLength, Source.Get(index + FutureLength));
var c = TripletFinder.Find(current);
if (!c.HasValue)
{
continue;
}
string confirm = string.Join("", Enumerable.Repeat(c.Value, 5));
if (future.Any(fe => fe.Data.Contains(confirm)))
{
yield return(index);
}
}
}
private void update_status_bar(FutureEntry arg)
{
RecentChangeLabel.Text = arg.ToString();
}