public override void OnError(CameraDevice camera, [GeneratedEnum] CameraError error)
{
var e = Tuple.Create <CameraDevice, CameraError>(camera, error);
// throw new NotImplementedException();
OnErrorHandler?.Invoke(this, e);
}
/// <summary>
/// Simple mockup for performing a operation for SQL-Server
/// </summary>
/// <returns></returns>
public static async Task <bool> ProcessData(System.Threading.CancellationToken token)
{
return(await Task.Run(async() =>
{
using (var cn = new SqlConnection()
{
ConnectionString = ConnectionString
})
{
await cn.OpenAsync(token);
var trans = cn.BeginTransaction("operation1");
using (var cmd = new SqlCommand()
{
Connection = cn, Transaction = trans
})
{
cmd.CommandText = "Place first SQL here";
try
{
await cmd.ExecuteNonQueryAsync(token);
cmd.CommandText = "Next SQL goes here";
await cmd.ExecuteNonQueryAsync(token);
return true;
}
catch (Exception e)
{
try
{
trans.Rollback();
OnErrorHandler?.Invoke(e);
throw;
}
catch (Exception transEx)
{
OnErrorHandler?.Invoke(transEx);
return false;
}
}
}
}
}, token));
}
/// <summary>
/// Read csv file
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public static List <Person> ReadFile(string fileName)
{
var people = new List <Person>();
var currentLineNumber = 0;
if (!File.Exists(fileName))
{
return(people);
}
var lines = File.ReadAllLines(fileName);
LineCount = lines.Length;
foreach (var line in lines)
{
currentLineNumber += 1;
try
{
var parts = line.Split(',');
/*
* The proper way to deal with this is to assert there are two elements,
* in this case the developer simply assumed there is a comma.
*/
var person = new Person()
{
FirstName = parts[0], LastName = parts[1]
};
people.Add(person);
OnPersonAddedEvent?.Invoke(person);
}
catch (Exception ex)
{
OnErrorHandler?.Invoke(ex, currentLineNumber);
Exceptions.Write(ex);
SkippedLineCount += 1;
}
}
return(people);
}
/// <summary>Event Error(904)</summary>
/// <param name="reply">回覆的訊息(執行結果)</param>
/// <remarks>
/// <para>除非規格書有異動, 否則</para>
/// <para>1. 函式名稱不得修改</para>
/// <para>2. 函式不得刪除</para>
/// </remarks>
public void ERROR(ReplyMessage reply)
{
ReplyErrorCode replyErrorCode = (ReplyErrorCode)((int)reply.Value);
if (OnErrorHandler != null)
{
var args = new OnErrorEventArgs(replyErrorCode);
OnErrorHandler.Invoke(this, args);
}
if (OnERRORRecoveryHandler != null && replyErrorCode == ReplyErrorCode.Recovery)
{
OnERRORRecoveryHandler.Invoke(this, EventArgs.Empty);
}
if (OnERRORErrorHandler != null && replyErrorCode == ReplyErrorCode.Error)
{
OnERRORErrorHandler.Invoke(this, EventArgs.Empty);
}
}
