// this is always called under a lock
private ExportingMember GetExportingMemberFromDefinition(ExportDefinition definition)
{
ExportingMember result;
ReflectionMemberExportDefinition reflectionExport = definition as ReflectionMemberExportDefinition;
if (reflectionExport == null)
{
return(null);
}
int exportIndex = reflectionExport.GetIndex();
if (_exportsCache == null)
{
_exportsCache = new Dictionary <int, ExportingMember>();
}
if (!_exportsCache.TryGetValue(exportIndex, out result))
{
result = GetExportingMember(definition);
if (result != null)
{
_exportsCache[exportIndex] = result;
}
}
return(result);
}
public IEnumerable <ExportDefinition> GetExports()
{
if (this._exports == null)
{
yield break;
}
IEnumerable <ExportDefinition> exports = this._exports.Value;
if (exports == null)
{
yield break;
}
foreach (ExportDefinition export in exports)
{
ReflectionMemberExportDefinition reflectionExport = export as ReflectionMemberExportDefinition;
if (reflectionExport == null)
{
throw new InvalidOperationException(
string.Format(CultureInfo.CurrentCulture, Strings.ReflectionModel_InvalidExportDefinition, export.GetType()));
}
yield return(reflectionExport);
}
}
public void Constructor()
{
MemberInfo expectedMember = this.GetType();
LazyMemberInfo expectedExportingMemberInfo = new LazyMemberInfo(expectedMember);
string expectedContractName = "Contract";
IDictionary <string, object> expectedMetadata = new Dictionary <string, object>();
expectedMetadata["Key1"] = 1;
expectedMetadata["Key2"] = "Value2";
ReflectionMemberExportDefinition definition = CreateReflectionExportDefinition(expectedExportingMemberInfo, expectedContractName, expectedMetadata);
Assert.Equal(expectedExportingMemberInfo, definition.ExportingLazyMember);
Assert.Same(expectedMember, definition.ExportingLazyMember.GetAccessors()[0]);
Assert.Equal(MemberTypes.TypeInfo, definition.ExportingLazyMember.MemberType);
Assert.Same(expectedContractName, definition.ContractName);
Assert.NotNull(definition.Metadata);
Assert.True(definition.Metadata.Keys.SequenceEqual(expectedMetadata.Keys));
Assert.True(definition.Metadata.Values.SequenceEqual(expectedMetadata.Values));
Assert.Null(((ICompositionElement)definition).Origin);
}
public IEnumerable <ExportDefinition> GetExports()
{
if (_exports == null)
{
yield break;
}
IEnumerable <ExportDefinition> exports = _exports.Value;
if (exports == null)
{
yield break;
}
foreach (ExportDefinition export in exports)
{
ReflectionMemberExportDefinition reflectionExport = export as ReflectionMemberExportDefinition;
if (reflectionExport == null)
{
throw new InvalidOperationException(
SR.Format(SR.ReflectionModel_InvalidExportDefinition, export.GetType()));
}
yield return(reflectionExport);
}
}
private static ExportingMember GetExportingMember(ExportDefinition definition)
{
ReflectionMemberExportDefinition exportDefinition = definition as ReflectionMemberExportDefinition;
if (exportDefinition != null)
{
return(exportDefinition.ToExportingMember());
}
// Don't recognize it
return(null);
}
private IDictionary <string, object?> TranslateExportMetadata(ReflectionMemberExportDefinition originalExport)
{
Dictionary <string, object?> metadata = new Dictionary <string, object?>(originalExport.Metadata, StringComparers.MetadataKeyNames);
string?exportTypeIdentity = originalExport.Metadata.GetValue <string>(CompositionConstants.ExportTypeIdentityMetadataName);
if (!string.IsNullOrEmpty(exportTypeIdentity))
{
metadata[CompositionConstants.ExportTypeIdentityMetadataName] = Translate(exportTypeIdentity, originalExport.Metadata.GetValue <int[]>(CompositionConstants.GenericExportParametersOrderMetadataName));
}
metadata.Remove(CompositionConstants.GenericExportParametersOrderMetadataName);
return(metadata);
}
public static LazyMemberInfo GetExportingMember(ExportDefinition exportDefinition)
{
Requires.NotNull(exportDefinition, "exportDefinition");
ReflectionMemberExportDefinition reflectionExportDefinition = exportDefinition as ReflectionMemberExportDefinition;
if (reflectionExportDefinition == null)
{
throw new ArgumentException(
string.Format(CultureInfo.CurrentCulture, Strings.ReflectionModel_InvalidExportDefinition, exportDefinition.GetType()),
"exportDefinition");
}
return(reflectionExportDefinition.ExportingLazyMember);
}
public static LazyMemberInfo GetExportingMember(ExportDefinition exportDefinition)
{
Requires.NotNull(exportDefinition, nameof(exportDefinition));
ReflectionMemberExportDefinition reflectionExportDefinition = exportDefinition as ReflectionMemberExportDefinition;
if (reflectionExportDefinition == null)
{
throw new ArgumentException(
SR.Format(SR.ReflectionModel_InvalidExportDefinition, exportDefinition.GetType()),
nameof(exportDefinition));
}
return(reflectionExportDefinition.ExportingLazyMember);
}
private List <ExportDefinition> PopulateExports(List <LazyMemberInfo> members)
{
List <ExportDefinition> exports = new List <ExportDefinition>();
foreach (ExportDefinition originalExport in _originalPartCreationInfo.GetExports())
{
ReflectionMemberExportDefinition reflectionExport = originalExport as ReflectionMemberExportDefinition;
if (reflectionExport == null)
{
// we always ignore these
continue;
}
exports.Add(TranslateExpot(reflectionExport, members));
}
return(exports);
}
public void Constructor_NullMetadata()
{
MemberInfo expectedMember = this.GetType();
LazyMemberInfo expectedExportingMemberInfo = new LazyMemberInfo(expectedMember);
string expectedContractName = "Contract";
ReflectionMemberExportDefinition definition = CreateReflectionExportDefinition(expectedExportingMemberInfo, expectedContractName, null);
Assert.Equal(expectedExportingMemberInfo, definition.ExportingLazyMember);
Assert.Same(expectedMember, definition.ExportingLazyMember.GetAccessors()[0]);
Assert.Equal(MemberTypes.TypeInfo, definition.ExportingLazyMember.MemberType);
Assert.Same(expectedContractName, definition.ContractName);
Assert.NotNull(definition.Metadata);
Assert.Equal(0, definition.Metadata.Count);
Assert.Null(((ICompositionElement)definition).Origin);
}
public ExportDefinition TranslateExpot(ReflectionMemberExportDefinition reflectionExport, List <LazyMemberInfo> members)
{
ExportDefinition?export = null;
LazyMemberInfo lazyMember = reflectionExport.ExportingLazyMember;
var capturedLazyMember = lazyMember;
var capturedReflectionExport = reflectionExport;
string contractName = Translate(reflectionExport.ContractName, reflectionExport.Metadata.GetValue <int[]>(CompositionConstants.GenericExportParametersOrderMetadataName));
LazyMemberInfo exportingMember = new LazyMemberInfo(capturedLazyMember.MemberType, () => GetAccessors(capturedLazyMember));
Lazy <IDictionary <string, object?> > lazyMetadata = new Lazy <IDictionary <string, object?> >(() => TranslateExportMetadata(capturedReflectionExport));
export = new ReflectionMemberExportDefinition(
exportingMember,
new LazyExportDefinition(contractName, lazyMetadata),
((ICompositionElement)reflectionExport).Origin);
members.Add(capturedLazyMember);
return(export);
}
private IDictionary<string, object> TranslateExportMetadata(ReflectionMemberExportDefinition originalExport)
{
Dictionary<string, object> metadata = new Dictionary<string, object>(originalExport.Metadata, StringComparers.MetadataKeyNames);
string exportTypeIdentity = originalExport.Metadata.GetValue<string>(CompositionConstants.ExportTypeIdentityMetadataName);
if (!string.IsNullOrEmpty(exportTypeIdentity))
{
metadata[CompositionConstants.ExportTypeIdentityMetadataName] = this.Translate(exportTypeIdentity, originalExport.Metadata.GetValue<int[]>(CompositionConstants.GenericExportParametersOrderMetadataName));
}
metadata.Remove(CompositionConstants.GenericExportParametersOrderMetadataName);
return metadata;
}
public ExportDefinition TranslateExpot(ReflectionMemberExportDefinition reflectionExport, List<LazyMemberInfo> members)
{
ExportDefinition export = null;
LazyMemberInfo lazyMember = reflectionExport.ExportingLazyMember;
var capturedLazyMember = lazyMember;
var capturedReflectionExport = reflectionExport;
string contractName = this.Translate(reflectionExport.ContractName, reflectionExport.Metadata.GetValue<int[]>(CompositionConstants.GenericExportParametersOrderMetadataName));
LazyMemberInfo exportingMember = new LazyMemberInfo(capturedLazyMember.MemberType, () => GetAccessors(capturedLazyMember));
Lazy<IDictionary<string, object>> lazyMetadata = new Lazy<IDictionary<string, object>>(() => this.TranslateExportMetadata(capturedReflectionExport));
export = new ReflectionMemberExportDefinition(
exportingMember,
new LazyExportDefinition(contractName, lazyMetadata),
((ICompositionElement)reflectionExport).Origin);
members.Add(capturedLazyMember);
return export;
}
