public IEnumerable <ImportDefinition> GetImports()
{
if (_imports == null)
{
yield break;
}
IEnumerable <ImportDefinition> imports = _imports.Value;
if (imports == null)
{
yield break;
}
foreach (ImportDefinition import in imports)
{
ReflectionImportDefinition reflectionImport = import as ReflectionImportDefinition;
if (reflectionImport == null)
{
throw new InvalidOperationException(
SR.Format(SR.ReflectionModel_InvalidMemberImportDefinition, import.GetType()));
}
yield return(reflectionImport);
}
}
public IEnumerable <ImportDefinition> GetImports()
{
if (this._imports == null)
{
yield break;
}
IEnumerable <ImportDefinition> imports = this._imports.Value;
if (imports == null)
{
yield break;
}
foreach (ImportDefinition import in imports)
{
ReflectionImportDefinition reflectionImport = import as ReflectionImportDefinition;
if (reflectionImport == null)
{
throw new InvalidOperationException(
string.Format(CultureInfo.CurrentCulture, Strings.ReflectionModel_InvalidMemberImportDefinition, import.GetType()));
}
yield return(reflectionImport);
}
}
private static ImportingItem GetImportingItem(ImportDefinition definition)
{
ReflectionImportDefinition reflectionDefinition = definition as ReflectionImportDefinition;
if (reflectionDefinition != null)
{
return(reflectionDefinition.ToImportingItem());
}
// Don't recognize it
return(null);
}
public static bool IsImportingParameter(ImportDefinition importDefinition)
{
Requires.NotNull(importDefinition, "importDefinition");
ReflectionImportDefinition reflectionImportDefinition = importDefinition as ReflectionImportDefinition;
if (reflectionImportDefinition == null)
{
throw new ArgumentException(
string.Format(CultureInfo.CurrentCulture, Strings.ReflectionModel_InvalidImportDefinition, importDefinition.GetType()),
"importDefinition");
}
return(importDefinition is ReflectionParameterImportDefinition);
}
internal static bool IsExportFactoryImportDefinition(ImportDefinition importDefinition)
{
Requires.NotNull(importDefinition, "importDefinition");
ReflectionImportDefinition reflectionImportDefinition = importDefinition as ReflectionImportDefinition;
if (reflectionImportDefinition == null)
{
throw new ArgumentException(
string.Format(CultureInfo.CurrentCulture, Strings.ReflectionModel_InvalidImportDefinition, importDefinition.GetType()),
"importDefinition");
}
return(importDefinition is IPartCreatorImportDefinition);
}
public static bool IsImportingParameter(ImportDefinition importDefinition)
{
Requires.NotNull(importDefinition, nameof(importDefinition));
ReflectionImportDefinition reflectionImportDefinition = importDefinition as ReflectionImportDefinition;
if (reflectionImportDefinition == null)
{
throw new ArgumentException(
SR.Format(SR.ReflectionModel_InvalidImportDefinition, importDefinition.GetType()),
nameof(importDefinition));
}
return(importDefinition is ReflectionParameterImportDefinition);
}
private List <ImportDefinition> PopulateImports(List <LazyMemberInfo> members, List <Lazy <ParameterInfo> > parameters)
{
List <ImportDefinition> imports = new List <ImportDefinition>();
foreach (ImportDefinition originalImport in _originalPartCreationInfo.GetImports())
{
ReflectionImportDefinition reflectionImport = originalImport as ReflectionImportDefinition;
if (reflectionImport == null)
{
// we always ignore these
continue;
}
imports.Add(TranslateImport(reflectionImport, members, parameters));
}
return(imports);
}
private ImportDefinition TranslateImport(ReflectionImportDefinition reflectionImport, List <LazyMemberInfo> members, List <Lazy <ParameterInfo> > parameters)
{
bool isExportFactory = false;
ContractBasedImportDefinition productImport = reflectionImport;
if (reflectionImport is IPartCreatorImportDefinition exportFactoryImportDefinition)
{
productImport = exportFactoryImportDefinition.ProductImportDefinition;
isExportFactory = true;
}
string contractName = Translate(productImport.ContractName);
string requiredTypeIdentity = Translate(productImport.RequiredTypeIdentity !);
IDictionary <string, object?> metadata = TranslateImportMetadata(productImport);
ImportDefinition?import = null;
if (reflectionImport is ReflectionMemberImportDefinition memberImport)
{
LazyMemberInfo lazyMember = memberImport.ImportingLazyMember;
LazyMemberInfo importingMember = new LazyMemberInfo(lazyMember.MemberType, () => GetAccessors(lazyMember));
if (isExportFactory)
{
import = new PartCreatorMemberImportDefinition(
importingMember,
((ICompositionElement)memberImport).Origin,
new ContractBasedImportDefinition(
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
productImport.IsRecomposable,
false,
CreationPolicy.NonShared,
metadata));
}
else
{
import = new ReflectionMemberImportDefinition(
importingMember,
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
productImport.IsRecomposable,
false,
productImport.RequiredCreationPolicy,
metadata,
((ICompositionElement)memberImport).Origin);
}
members.Add(lazyMember);
}
else
{
ReflectionParameterImportDefinition?parameterImport = reflectionImport as ReflectionParameterImportDefinition;
if (parameterImport == null)
{
throw new Exception(SR.Diagnostic_InternalExceptionMessage);
}
Lazy <ParameterInfo> lazyParameter = parameterImport.ImportingLazyParameter;
Lazy <ParameterInfo> parameter = new Lazy <ParameterInfo>(() => GetParameter(lazyParameter));
if (isExportFactory)
{
import = new PartCreatorParameterImportDefinition(
parameter,
((ICompositionElement)parameterImport).Origin,
new ContractBasedImportDefinition(
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
false,
true,
CreationPolicy.NonShared,
metadata));
}
else
{
import = new ReflectionParameterImportDefinition(
parameter,
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
productImport.RequiredCreationPolicy,
metadata,
((ICompositionElement)parameterImport).Origin);
}
parameters.Add(lazyParameter);
}
return(import);
}
private ImportDefinition TranslateImport(ReflectionImportDefinition reflectionImport, List<LazyMemberInfo> members, List<Lazy<ParameterInfo>> parameters)
{
bool isExportFactory = false;
ContractBasedImportDefinition productImport = reflectionImport;
IPartCreatorImportDefinition exportFactoryImportDefinition = reflectionImport as IPartCreatorImportDefinition;
if (exportFactoryImportDefinition != null)
{
productImport = exportFactoryImportDefinition.ProductImportDefinition;
isExportFactory = true;
}
string contractName = this.Translate(productImport.ContractName);
string requiredTypeIdentity = this.Translate(productImport.RequiredTypeIdentity);
IDictionary<string, object> metadata = this.TranslateImportMetadata(productImport);
ReflectionMemberImportDefinition memberImport = reflectionImport as ReflectionMemberImportDefinition;
ImportDefinition import = null;
if (memberImport != null)
{
LazyMemberInfo lazyMember = memberImport.ImportingLazyMember;
LazyMemberInfo importingMember = new LazyMemberInfo(lazyMember.MemberType, () => GetAccessors(lazyMember));
if (isExportFactory)
{
import = new PartCreatorMemberImportDefinition(
importingMember,
((ICompositionElement)memberImport).Origin,
new ContractBasedImportDefinition(
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
productImport.IsRecomposable,
false,
CreationPolicy.NonShared,
metadata));
}
else
{
import = new ReflectionMemberImportDefinition(
importingMember,
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
productImport.IsRecomposable,
false,
productImport.RequiredCreationPolicy,
metadata,
((ICompositionElement)memberImport).Origin);
}
members.Add(lazyMember);
}
else
{
ReflectionParameterImportDefinition parameterImport = reflectionImport as ReflectionParameterImportDefinition;
Assumes.NotNull(parameterImport);
Lazy<ParameterInfo> lazyParameter = parameterImport.ImportingLazyParameter;
Lazy<ParameterInfo> parameter = new Lazy<ParameterInfo>(() => GetParameter(lazyParameter));
if (isExportFactory)
{
import = new PartCreatorParameterImportDefinition(
parameter,
((ICompositionElement)parameterImport).Origin,
new ContractBasedImportDefinition(
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
false,
true,
CreationPolicy.NonShared,
metadata));
}
else
{
import = new ReflectionParameterImportDefinition(
parameter,
contractName,
requiredTypeIdentity,
productImport.RequiredMetadata,
productImport.Cardinality,
productImport.RequiredCreationPolicy,
metadata,
((ICompositionElement)parameterImport).Origin);
}
parameters.Add(lazyParameter);
}
return import;
}
