public void SetTo(IPipeline pipeline, IPipelineUseCase useCase)
{
_useCase = useCase;
_pipeline = pipeline;
if (_pipeline != null)
{
_pipeline.ClearAllInjections();
}
//clear the diagram
flpPipelineDiagram.Controls.Clear();
pipelineSmiley.Reset();
try
{
//if there is a pipeline
if (_pipeline != null)
{
try
{
_pipelineFactory = new DataFlowPipelineEngineFactory(_useCase, _pipeline);
//create it
IDataFlowPipelineEngine pipelineInstance = _pipelineFactory.Create(pipeline, new ThrowImmediatelyDataLoadEventListener());
//initialize it (unless it is design time)
if (!_useCase.IsDesignTime)
{
pipelineInstance.Initialize(_useCase.GetInitializationObjects().ToArray());
}
}
catch (Exception ex)
{
pipelineSmiley.Fatal(ex);
}
//There is a pipeline set but we might have been unable to fully realize it so setup stuff based on PipelineComponents
//was there an explicit instance?
if (_useCase.ExplicitSource != null)
{
AddExplicit(_useCase.ExplicitSource);//if so add it
}
else
//there wasn't an explicit one so there was a PipelineComponent maybe? albiet one that might be broken?
if (pipeline.SourcePipelineComponent_ID != null)
{
AddPipelineComponent((int)pipeline.SourcePipelineComponent_ID, DataFlowComponentVisualisation.Role.Source, pipeline.Repository); //add the possibly broken PipelineComponent to the diagram
}
else
{
AddBlankComponent(DataFlowComponentVisualisation.Role.Source); //the user hasn't put one in yet
}
foreach (var middleComponent in pipeline.PipelineComponents.Where(c => c.ID != pipeline.SourcePipelineComponent_ID && c.ID != pipeline.DestinationPipelineComponent_ID).OrderBy(comp => comp.Order))
{
AddPipelineComponent(middleComponent, DataFlowComponentVisualisation.Role.Middle);//add the possibly broken PipelineComponent to the diagram
}
//was there an explicit instance?
if (_useCase.ExplicitDestination != null)
{
AddDividerIfReorderingAvailable();
AddExplicit(_useCase.ExplicitDestination);//if so add it
}
else
//there wasn't an explicit one so there was a PipelineComponent maybe? albiet one that might be broken?
if (pipeline.DestinationPipelineComponent_ID != null)
{
AddPipelineComponent((int)pipeline.DestinationPipelineComponent_ID, DataFlowComponentVisualisation.Role.Destination, pipeline.Repository); //add the possibly broken PipelineComponent to the diagram
}
else
{
AddDividerIfReorderingAvailable();
AddBlankComponent(DataFlowComponentVisualisation.Role.Destination); //the user hasn't put one in yet
}
return;
}
//Fallback
//user has not picked a pipeline yet, show him the shell (factory)
//factory has no source, add empty source
if (_useCase.ExplicitSource == null)
{
AddBlankComponent(DataFlowComponentVisualisation.Role.Source);
}
else
{
AddExplicit(_useCase.ExplicitSource);
}
//factory has no source, add empty source
if (_useCase.ExplicitDestination == null)
{
AddBlankComponent(DataFlowComponentVisualisation.Role.Destination);
}
else
{
AddExplicit(_useCase.ExplicitDestination);
}
}
finally
{
Invalidate();
}
}