private void AddAdvertisedComponent(DragEventArgs e, DividerLineControl divider)
{
var advert = GetAdvertisedObjectFromDragOperation(e);
if (
//if user is trying to add a source
advert.GetRole() == DataFlowComponentVisualisation.Role.Source
//and there is already an explicit source or a configured one
&& (_useCase.ExplicitSource != null || _pipeline.SourcePipelineComponent_ID != null))
{
MessageBox.Show("There is already a source in this pipeline");
return;
}
if (
//if user is trying to add a destination
advert.GetRole() == DataFlowComponentVisualisation.Role.Destination
//and there is already an explicit destination or a configured one
&& (_useCase.ExplicitDestination != null || _pipeline.DestinationPipelineComponent_ID != null))
{
MessageBox.Show("There is already a destination in this pipeline");
return;
}
Type underlyingComponentType = advert.GetComponentType();
//add the component to the pipeline
var repository = (ICatalogueRepository)_pipeline.Repository;
var newcomp = new PipelineComponent(repository, _pipeline, underlyingComponentType, -999, advert.ToString())
{
Order = GetOrderMakingSpaceIfNessesary(null, divider)
};
newcomp.CreateArgumentsForClassIfNotExists(underlyingComponentType);
newcomp.SaveToDatabase();
if (advert.GetRole() == DataFlowComponentVisualisation.Role.Source)
{
_pipeline.SourcePipelineComponent_ID = newcomp.ID;
_pipeline.SaveToDatabase();
}
if (advert.GetRole() == DataFlowComponentVisualisation.Role.Destination)
{
_pipeline.DestinationPipelineComponent_ID = newcomp.ID;
_pipeline.SaveToDatabase();
}
RefreshUIFromDatabase();
var viz = flpPipelineDiagram.Controls.OfType <PipelineComponentVisualisation>().Single(v => Equals(v.PipelineComponent, newcomp));
component_Selected(viz, newcomp);
}
public void TestPipelineContextIsNOTAllowable()
{
var contextFactory = new DataFlowPipelineContextFactory <DataTable>();
var context = contextFactory.Create(PipelineUsage.FixedDestination);
var pipeline = new Pipeline(CatalogueRepository, "DeleteMePipeline");
var component = new PipelineComponent(CatalogueRepository, pipeline, typeof(TestObject_RequiresTableInfo), 0);
component.Name = "TestPipeComponent";
component.SaveToDatabase();
string reason;
bool rejection = context.IsAllowable(pipeline, out reason);
Console.WriteLine(reason);
Assert.IsFalse(rejection, reason);
Assert.AreEqual("Component TestPipeComponent implements a forbidden type (IPipelineRequirement<TableInfo>) under the pipeline usage context", reason);
pipeline.DeleteInDatabase();
}
