/// <summary>
/// Open connection to Spark API
/// </summary>
/// <returns></returns>
internal bool Connect()
{
bool result = true;
lock (_syncLock)
{
try
{
if (ConnectionStatus == SparkConnectionStatus.Disconnected)
{
//Instance Spark object
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Initiating Spark connection...");
Initialise();
//Connect to Spark server
ApiCredentials credentials = ApiCredentials.LoadFromFile();
if (credentials == null)
{
throw new ApplicationException("Spark API security credentials not available");
}
Spark.SetLogin(credentials.Username, credentials.Password);
if (!Spark.Connect())
{
Debug.WriteLine("Can't connect: {0}", Spark.DescribeError(Spark.GetLastError()));
result = false;
}
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Spark connection initiated");
//Wait to allow Spark API to data access
System.Threading.Thread.Sleep(1000);
}
}
catch (Exception ex)
{
Debug.WriteLine("ERROR: APIControl - ", ex.Message);
result = false;
}
}
return(result);
}