protected override IDisposable LinkExternalInput(ITargetBlock <RestoreInfo> targetBlock)
{
// At a high-level, we want to combine all implicitly active configurations (ie the active config of each TFM) restore data
// (via ProjectRestoreUpdate) and combine it into a single IVsProjectRestoreInfo2 instance and publish that. When a change is
// made to a configuration, such as adding a PackageReference, we should react to it and push a new version of our output. If the
// active configuration changes, we should react to it, and publish data from the new set of implicitly active configurations.
var joinBlock = new ConfiguredProjectDataSourceJoinBlock <PackageRestoreConfiguredInput>(
project => project.Services.ExportProvider.GetExportedValueOrDefault <IPackageRestoreConfiguredInputDataSource>(),
JoinableFactory,
_project);
// Transform all restore data -> combined restore data
DisposableValue <ISourceBlock <RestoreInfo> > mergeBlock = joinBlock.TransformWithNoDelta(update => update.Derive(MergeRestoreInputs));
JoinUpstreamDataSources(_activeConfigurationGroupService.ActiveConfiguredProjectGroupSource);
// Set the link up so that we publish changes to target block
mergeBlock.Value.LinkTo(targetBlock, DataflowOption.PropagateCompletion);
return(new DisposableBag
{
joinBlock,
// Link the active configured projects to our join block
_activeConfigurationGroupService.ActiveConfiguredProjectGroupSource.SourceBlock.LinkTo(joinBlock, DataflowOption.PropagateCompletion),
});
}
protected override IDisposable LinkExternalInput(ITargetBlock <IProjectVersionedValue <UpToDateCheckConfiguredInput> > targetBlock)
{
// Aggregates implicitly active UpToDateCheckImplicitConfiguredInput inputs from their sources
var joinBlock = new ConfiguredProjectDataSourceJoinBlock <UpToDateCheckImplicitConfiguredInput>(
project => project.Services.ExportProvider.GetExportedValueOrDefault <IUpToDateCheckImplicitConfiguredInputDataSource>(),
JoinableFactory,
_configuredProject.UnconfiguredProject);
// Merges UpToDateCheckImplicitConfiguredInputs into a UpToDateCheckConfiguredInput
DisposableValue <ISourceBlock <IProjectVersionedValue <UpToDateCheckConfiguredInput> > >
mergeBlock = joinBlock.TransformWithNoDelta(update => update.Derive(MergeInputs));
JoinUpstreamDataSources(_activeConfigurationGroupService.ActiveConfiguredProjectGroupSource);
// Set the link up so that we publish changes to target block
mergeBlock.Value.LinkTo(targetBlock, DataflowOption.PropagateCompletion);
return(new DisposableBag
{
joinBlock,
// Link the active configured projects to our join block
_activeConfigurationGroupService.ActiveConfiguredProjectGroupSource.SourceBlock.LinkTo(joinBlock, DataflowOption.PropagateCompletion),
});