public void CallsignUpdate(CallsignDesignator call)
{
if (call == null)
{
return;
}
callsigns.Update(call);
}
public CallsignDesignator FindByCall(string call)
{
CallsignDesignator info = null;
if (String.IsNullOrEmpty(call))
{
return(info);
}
Calls.TryGetValue(call, out info);
return(info);
}
public void Update(CallsignDesignator call)
{
// return on null
if (call == null)
{
return;
}
// return on empty hex value
if (String.IsNullOrEmpty(call.Call))
{
return;
}
lock (this)
{
CallsignDesignator entry;
if (!Calls.TryGetValue(call.Call, out entry))
{
// key not found --> add new entry
Calls.Add(call.Call, new CallsignDesignator(call.Call, call.Lat, call.Lon, call.Source, call.LastUpdated));
changed = true;
}
else
{
// key found --> check for update
if (call.LastUpdated > entry.LastUpdated)
{
lock (entry)
{
// new timestamp --> udpate all not empty fields
if (!String.IsNullOrEmpty(call.Call))
{
entry.Call = call.Call;
}
entry.Lat = call.Lat;
entry.Lon = call.Lon;
entry.Source = call.Source;
entry.LastUpdated = call.LastUpdated;
changed = true;
}
}
}
}
}