private object CreateExportFactory(RuntimePartLifecycleTracker importingPartTracker, RuntimeComposition.RuntimeImport import, RuntimeComposition.RuntimeExport export)
{
Requires.NotNull(importingPartTracker, nameof(importingPartTracker));
Requires.NotNull(import, nameof(import));
Requires.NotNull(export, nameof(export));
Type importingSiteElementType = import.ImportingSiteElementType;
ImmutableHashSet <string> sharingBoundaries = import.ExportFactorySharingBoundaries.ToImmutableHashSet();
bool newSharingScope = sharingBoundaries.Count > 0;
Func <KeyValuePair <object?, IDisposable?> > valueFactory = () =>
{
RuntimeExportProvider scope = newSharingScope
? new RuntimeExportProvider(this.composition, this, sharingBoundaries)
: this;
var exportedValueConstructor = scope.GetExportedValue(import, export, importingPartTracker);
exportedValueConstructor.ExportingPart !.GetValueReadyToExpose();
object?constructedValue = exportedValueConstructor.ValueConstructor();
var disposableValue = newSharingScope ? scope : exportedValueConstructor.ExportingPart as IDisposable;
return(new KeyValuePair <object?, IDisposable?>(constructedValue, disposableValue));
};
Type?exportFactoryType = import.ImportingSiteTypeWithoutCollection !;
var exportMetadata = export.Metadata;
return(this.CreateExportFactory(importingSiteElementType, sharingBoundaries, valueFactory, exportFactoryType, exportMetadata));
}
public RuntimePartLifecycleTracker(RuntimeExportProvider owningExportProvider, RuntimeComposition.RuntimePart partDefinition, IReadOnlyDictionary <string, object?> importMetadata, PartLifecycleTracker nonSharedPartOwner)
: base(owningExportProvider, nonSharedPartOwner)
{
Requires.NotNull(partDefinition, nameof(partDefinition));
Requires.NotNull(importMetadata, nameof(importMetadata));
this.partDefinition = partDefinition;
this.importMetadata = importMetadata;
}
