private void IdentifyCompatiblePipelines()
{
gbPickPipeline.Enabled = true;
ragSmileyFile.Reset();
_context = new DataFlowPipelineContextFactory <DataTable>().Create(PipelineUsage.LoadsSingleFlatFile);
_context.MustHaveDestination = typeof(DataTableUploadDestination);
if (cbOther.Checked)
{
_context.MustHaveSource = typeof(IDataFlowSource <DataTable>);
}
else
if (_selectedFile.Extension == ".csv" || _selectedFile.Extension == ".txt")
{
_context.MustHaveSource = typeof(DelimitedFlatFileDataFlowSource);
}
else
if (_selectedFile.Extension.StartsWith(".xls"))
{
_context.MustHaveSource = typeof(ExcelDataFlowSource);
}
var compatiblePipelines = Activator.RepositoryLocator.CatalogueRepository.GetAllObjects <Pipeline>().Where(_context.IsAllowable).ToArray();
if (compatiblePipelines.Length == 0)
{
ragSmileyFile.OnCheckPerformed(new CheckEventArgs("No Pipelines are compatible with the selected file", CheckResult.Fail));
return;
}
ddPipeline.DataSource = compatiblePipelines;
ddPipeline.SelectedItem = compatiblePipelines.FirstOrDefault();
}
/// <summary>
/// Creates a new pipeline engine ready to run under the <paramref name="context"/> recording events that occur to <paramref name="listener"/>.
/// </summary>
/// <param name="context"></param>
/// <param name="source"></param>
/// <param name="destination"></param>
/// <param name="listener"></param>
/// <param name="pipelineSource"></param>
public DataFlowPipelineEngine(DataFlowPipelineContext <T> context, IDataFlowSource <T> source,
IDataFlowDestination <T> destination, IDataLoadEventListener listener,
IPipeline pipelineSource = null)
{
Source = source;
Destination = destination;
_context = context;
_listener = listener;
ComponentObjects = new List <object>();
if (pipelineSource != null)
{
_name = pipelineSource.Name;
}
else
{
_name = "Undefined pipeline";
}
}
