public Guid AddFlight(Flight flight)
{
lock (_writeReadLock)
{
var saved = false;
while (!saved)
{
try
{
if (_terminalContextDb.Flights.Count() > 100)
{
DeleteMultiply(50);
}
// if (flight.Id == Guid.Empty) flight.Id = Guid.NewGuid();
flight.Created = DateTime.Now;
_terminalContextDb.Add(flight);
_terminalContextDb.SaveChanges();
return(flight.Id);
}
catch (DbUpdateConcurrencyException ex)
{
foreach (var entry in ex.Entries)
{
if (entry.Entity is Flight)
{
var proposedValues = entry.CurrentValues;
var databaseValues = entry.GetDatabaseValues();
foreach (var property in proposedValues.Properties)
{
var proposedValue = proposedValues[property];
var databaseValue = databaseValues[property];
// TODO: decide which value should be written to database
// proposedValues[property] = <value to be saved>;
}
// Refresh original values to bypass next concurrency check
entry.OriginalValues.SetValues(databaseValues);
}
else
{
throw new NotSupportedException(
"Don't know how to handle concurrency conflicts for "
+ entry.Metadata.Name);
}
}
}
}
return(Guid.Empty);
}
}
public bool AddFlight(Flight flight)
{
//try
//{
_terminalContextDb.Add(flight);
_terminalContextDb.SaveChanges();
return(true);
//}
//catch (Exception ex)
//{
// throw ex;
//}
}
public bool AddLogMsg(LogMsg log)
{
lock (_writeReadLock)
{
try
{
log.Id = Guid.NewGuid();
log.Created = DateTime.Now;
log.Modified = null;
_terminalContextDb.Add(log);
_terminalContextDb.SaveChanges();
return(true);
}
catch (Exception ex)
{
throw ex;
}
}
}