public IEnumerable<PipeOutputPackage> SiblingPackageLateBounded(ISemanticRegistryObserver siblingObserver)
{
var additionalPackages =
from historicalPackage in _historicalPackages
let siblingPackages = siblingObserver.PipePackageInstalled(historicalPackage)
where siblingPackages != null
select siblingPackages;
return additionalPackages.SelectMany(x => x);
}
public IEnumerable <PipeOutputPackage> SiblingPackageLateBounded(ISemanticRegistryObserver siblingObserver)
{
var additionalPackages =
from historicalPackage in _historicalPackages
let siblingPackages = siblingObserver.PipePackageInstalled(historicalPackage)
where siblingPackages != null
select siblingPackages;
return(additionalPackages.SelectMany(x => x));
}
public IEnumerable <PipeOutputPackage> PipePackageInstalled(PipeOutputPackage package)
{
var key = new Tuple <Type, Type>(package.InputType, package.OutputType);
PipeOutputPackage rememberedPackage;
bool hasEncounteredPackageBefore = _packages.TryGetValue(key, out rememberedPackage);
if (!hasEncounteredPackageBefore)
{
_packages.Add(key, package);
}
if (!hasEncounteredPackageBefore || package.Weight < rememberedPackage.Weight)
{
return(_wrappedObserver.PipePackageInstalled(package));
}
return(null);
}