private void Execute( object threadContext )
{
#region TraceBeginElement
if ( m_Logger.IsTraceEnabled )
{
m_Logger.Trace( "Begin ", m_cnt );
}
#endregion // TraceBeginElement
bool isFinished = false;
progressRetrieval.Invoke( new MethodInvoker( () => progressRetrieval.BackColor = Color.Black ) );
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.BackColor = Color.Black));
TTransport trans = OpenTransport();
try
{
if ( trans == null )
{
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.Value = 100));
progressRetrieval.Invoke( new MethodInvoker( () => progressRetrieval.Value = 100));
progressRetrieval.Invoke( new MethodInvoker( () => progressRetrieval.BackColor = Color.Red));
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.BackColor = Color.Red));
}
TBinaryProtocol binaryProtocol = new TBinaryProtocol( trans );
DataProvider.Client client = new DataProvider.Client( binaryProtocol );
progressRetrieval.Invoke( new MethodInvoker( () => progressRetrieval.BackColor = Color.LightBlue ) );
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.BackColor = Color.LightYellow ) );
// Prepare some data
m_JobNumber = client.PrepareDataJob( "Test", new List<string> { "FieldA", "FieldB" }, DateTime.Now.ToTDTO() );
m_Logger.Trace("job {0} has job id {1}", m_cnt, m_JobNumber);
if ( lblSubmitted.InvokeRequired )
{
lblSubmitted.Invoke( new MethodInvoker( () => lblSubmitted.Text = DateTime.Now.ToShortTimeString() ) );
}
else
{
lblSubmitted.Text = DateTime.Now.ToShortTimeString();
}
Application.DoEvents();
// Monitor progress of prepare job
ProgressTDTO progress = null;
while ( !isFinished )
{
progress = client.GetJobProgress( m_JobNumber );
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.Value = progress.PercentComplete));
if ( progress.State == ProgressStateEnumeration.Pending )
{
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.BackColor = Color.LightYellow));
}
else if ( progress.State == ProgressStateEnumeration.Running )
{
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.BackColor = Color.LightBlue));
}
else if ( progress.State == ProgressStateEnumeration.Errored )
{
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.BackColor = Color.Red));
}
else if ( progress.State == ProgressStateEnumeration.Complete )
{
ProgressPreparation.Invoke( new MethodInvoker( () => ProgressPreparation.ForeColor = Color.LightGreen));
isFinished = true;
}
Application.DoEvents();
Thread.Sleep( 300 );
}
// Update the row label
Int64 rowCount = -1;
if ( progress != null )
{
rowCount = progress.NumberRows;
}
if ( lblRowCount.InvokeRequired )
{
lblRowCount.Invoke( new MethodInvoker( () => lblRowCount.Text = rowCount.ToString() ) );
}
else
{
lblRowCount.Text = rowCount.ToString();
}
// Get the data
double percentConstant = rowCount / 100.0;
progressRetrieval.Invoke( new MethodInvoker( () => progressRetrieval.ForeColor = Color.Green ) );
try
{
for ( Int64 i = 0; i < rowCount; i += m_BatchSize )
{
List<List<string>> dataRows = client.GetJobData( m_JobNumber, i, m_BatchSize );
dataRows.Clear();
int percentage = (int) Math.Ceiling( ( i + m_BatchSize ) / percentConstant );
percentage = percentage > 100 ? 100 : percentage;
progressRetrieval.Invoke( new MethodInvoker( () => progressRetrieval.Value = percentage ) );
}
}
catch ( Exception )
{
progressRetrieval.Invoke( new MethodInvoker( () => progressRetrieval.ForeColor = Color.Red ) );
}
}
finally
{
if ( trans != null )
{
trans.Close();
}
#region TraceEndElement
if ( m_Logger.IsTraceEnabled )
{
m_Logger.Trace( "End- {0}", m_cnt);
}
#endregion // TraceEndElement
}
}