internal static bool IsImportDependentOnPart(this ImportDefinition import, ComposablePartDefinition part, ExportDefinition export, bool expandGenerics)
{
import = import.GetProductImportDefinition();
if (expandGenerics)
{
return(part.TryGetExports(import, out _, out _));
}
else
{
return(TranslateImport(import, part).IsConstraintSatisfiedBy(export));
}
}
internal static bool IsImportDependentOnPart(this ImportDefinition import, ComposablePartDefinition part, ExportDefinition export, bool expandGenerics)
{
import = import.GetProductImportDefinition();
if (expandGenerics)
{
return(part.TryGetExports(import, out Tuple <ComposablePartDefinition, ExportDefinition>?singleMatch, out IEnumerable <Tuple <ComposablePartDefinition, ExportDefinition> >?multipleMatches));
}
else
{
return(TranslateImport(import, part).IsConstraintSatisfiedBy(export));
}
}
internal static IEnumerable <string> GetCandidateContractNames(this ImportDefinition import, ComposablePartDefinition part)
{
import = import.GetProductImportDefinition();
string contractName = import.ContractName;
string genericContractName = import.Metadata.GetValue <string>(CompositionConstants.GenericContractMetadataName);
int[] importParametersOrder = import.Metadata.GetValue <int[]>(CompositionConstants.GenericImportParametersOrderMetadataName);
if (importParametersOrder != null)
{
int partArity = part.Metadata.GetValue <int>(CompositionConstants.GenericPartArityMetadataName);
if (partArity > 0)
{
contractName = GenericServices.GetGenericName(contractName, importParametersOrder, partArity);
}
}
yield return(contractName);
if (!string.IsNullOrEmpty(genericContractName))
{
yield return(genericContractName);
}
}