internal IEnumerable <Attribute> BuildTypeAttributes(Type type)
{
var attributes = new List <Attribute>();
if (this._typeExportBuilders != null)
{
bool isConfigured = type.GetTypeInfo().GetFirstAttribute <ExportAttribute>() != null || MemberHasExportMetadata(type.GetTypeInfo());
if (isConfigured)
{
CompositionTrace.Registration_TypeExportConventionOverridden(type);
}
else
{
foreach (var export in this._typeExportBuilders)
{
export.BuildAttributes(type, ref attributes);
}
}
}
if (this._isShared)
{
// Check if there is already a SharedAttribute. If found Trace a warning and do not add this Shared
// otherwise add new one
bool isConfigured = type.GetTypeInfo().GetFirstAttribute <SharedAttribute>() != null;
if (isConfigured)
{
CompositionTrace.Registration_PartCreationConventionOverridden(type);
}
else
{
attributes.Add(this._sharingBoundary == null ?
new SharedAttribute() :
new SharedAttribute(this._sharingBoundary));
}
}
//Add metadata attributes from direct specification
if (this._metadataItems != null)
{
bool isConfigured = type.GetTypeInfo().GetFirstAttribute <PartMetadataAttribute>() != null;
if (isConfigured)
{
CompositionTrace.Registration_PartMetadataConventionOverridden(type);
}
else
{
foreach (var item in this._metadataItems)
{
attributes.Add(new PartMetadataAttribute(item.Item1, item.Item2));
}
}
}
//Add metadata attributes from func specification
if (this._metadataItemFuncs != null)
{
bool isConfigured = type.GetTypeInfo().GetFirstAttribute <PartMetadataAttribute>() != null;
if (isConfigured)
{
CompositionTrace.Registration_PartMetadataConventionOverridden(type);
}
else
{
foreach (var item in this._metadataItemFuncs)
{
var name = item.Item1;
var value = (item.Item2 != null) ? item.Item2(type) : null;
attributes.Add(new PartMetadataAttribute(name, value));
}
}
}
if (this._interfaceExports.Any())
{
if (this._typeExportBuilders != null)
{
bool isConfigured = type.GetTypeInfo().GetFirstAttribute <ExportAttribute>() != null || MemberHasExportMetadata(type.GetTypeInfo());
if (isConfigured)
{
CompositionTrace.Registration_TypeExportConventionOverridden(type);
}
else
{
foreach (var iface in type.GetTypeInfo().ImplementedInterfaces)
{
if (iface == typeof(IDisposable))
{
continue;
}
// Run through the export specifications see if any match
foreach (var exportSpecification in this._interfaceExports)
{
if (exportSpecification.Item1 != null && exportSpecification.Item1(iface))
{
ExportConventionBuilder exportBuilder = new ExportConventionBuilder();
exportBuilder.AsContractType(iface);
if (exportSpecification.Item2 != null)
{
exportSpecification.Item2(iface, exportBuilder);
}
exportBuilder.BuildAttributes(iface, ref attributes);
}
}
}
}
}
}
return(attributes);
}
internal IEnumerable <Attribute> BuildTypeAttributes(Type type)
{
var attributes = new List <Attribute>();
if (_typeExportBuilders != null)
{
bool isConfigured = type.GetCustomAttributes(typeof(ExportAttribute), false).FirstOrDefault() != null || MemberHasExportMetadata(type);
if (isConfigured)
{
CompositionTrace.Registration_TypeExportConventionOverridden(type);
}
else
{
foreach (ExportBuilder export in _typeExportBuilders)
{
export.BuildAttributes(type, ref attributes);
}
}
}
if (_setCreationPolicy)
{
// Check if there is already a PartCreationPolicyAttribute
// If found Trace a warning and do not add the registered part creationpolicy
// otherwise add new one
bool isConfigured = type.GetCustomAttributes(typeof(PartCreationPolicyAttribute), false).FirstOrDefault() != null;
if (isConfigured)
{
CompositionTrace.Registration_PartCreationConventionOverridden(type);
}
else
{
attributes.Add(new PartCreationPolicyAttribute(_creationPolicy));
}
}
//Add metadata attributes from direct specification
if (_metadataItems != null)
{
bool isConfigured = type.GetCustomAttributes(typeof(PartMetadataAttribute), false).FirstOrDefault() != null;
if (isConfigured)
{
CompositionTrace.Registration_PartMetadataConventionOverridden(type);
}
else
{
foreach (Tuple <string, object> item in _metadataItems)
{
attributes.Add(new PartMetadataAttribute(item.Item1, item.Item2));
}
}
}
//Add metadata attributes from func specification
if (_metadataItemFuncs != null)
{
bool isConfigured = type.GetCustomAttributes(typeof(PartMetadataAttribute), false).FirstOrDefault() != null;
if (isConfigured)
{
CompositionTrace.Registration_PartMetadataConventionOverridden(type);
}
else
{
foreach (Tuple <string, Func <Type, object> > item in _metadataItemFuncs)
{
var name = item.Item1;
var value = (item.Item2 != null) ? item.Item2(type) : null;
attributes.Add(new PartMetadataAttribute(name, value));
}
}
}
if (_interfaceExports.Any())
{
if (_typeExportBuilders != null)
{
bool isConfigured = type.GetCustomAttributes(typeof(ExportAttribute), false).FirstOrDefault() != null || MemberHasExportMetadata(type);
if (isConfigured)
{
CompositionTrace.Registration_TypeExportConventionOverridden(type);
}
else
{
foreach (Type iface in type.GetInterfaces())
{
Type underlyingType = iface.UnderlyingSystemType;
if (underlyingType == typeof(IDisposable) || underlyingType == typeof(IPartImportsSatisfiedNotification))
{
continue;
}
// Run through the export specifications see if any match
foreach (Tuple <Predicate <Type>, Action <Type, ExportBuilder> > exportSpecification in _interfaceExports)
{
if (exportSpecification.Item1 != null && exportSpecification.Item1(underlyingType))
{
ExportBuilder exportBuilder = new ExportBuilder();
exportBuilder.AsContractType((Type)iface);
exportSpecification.Item2?.Invoke(iface, exportBuilder);
exportBuilder.BuildAttributes(iface, ref attributes);
}
}
}
}
}
}
return(attributes);
}
