public virtual void Apply(ODataComplexValue complexValue, ODataSerializationFeatureContext context)
{
Arg.NotNull(complexValue, nameof(complexValue));
Arg.NotNull(context, nameof(context));
var model = context.SerializerContext.Model;
var complexType = GetStructuredType(context.EdmElement);
var complexTypeAnnotations = model.GetAnnotationValue <HashSet <InstanceAnnotation> >(complexType);
if (complexTypeAnnotations != null)
{
AddAnnotations(context, complexTypeAnnotations, complexValue.InstanceAnnotations);
}
foreach (var property in complexValue.Properties)
{
var propertyType = complexType.FindProperty(property.Name);
// likely a dynamic property on open type
if (propertyType == null)
{
continue;
}
var propertyAnnotations = model.GetAnnotationValue <HashSet <InstanceAnnotation> >(propertyType);
if (propertyAnnotations != null)
{
AddAnnotations(context, propertyAnnotations, property.InstanceAnnotations);
}
}
}
public override ODataFeed CreateODataFeed(IEnumerable feedInstance, IEdmCollectionTypeReference feedType, ODataSerializerContext writeContext)
{
Contract.Assume(writeContext != null);
var feed = base.CreateODataFeed(feedInstance, feedType, writeContext);
var entitySet = writeContext.Model.EntityContainer.FindEntitySet(writeContext.NavigationSource.Name);
// likely a "contained" entity, which will not have a corresponding entity set
if (entitySet == null)
{
return(feed);
}
var context = new ODataSerializationFeatureContext(entitySet, writeContext, ComplexTypeSerializer)
{
Instance = feedInstance
};
foreach (var feature in SerializationFeatures)
{
feature.Apply(feed, context);
}
return(feed);
}
private static void AddAnnotations(ODataSerializationFeatureContext context, IEnumerable <InstanceAnnotation> modelAnnotations, ICollection <ODataInstanceAnnotation> instanceAnnotations)
{
Contract.Requires(context != null);
Contract.Requires(modelAnnotations != null);
Contract.Requires(instanceAnnotations != null);
var instance = context.Instance;
var model = context.SerializerContext.Model;
var complexTypeSerializer = context.ComplexTypeSerializer;
var serializerContext = context.SerializerContext;
foreach (var modelAnnotation in modelAnnotations)
{
var annotation = modelAnnotation.GetValue(instance);
if (annotation == null)
{
continue;
}
var value = modelAnnotation.IsComplex ?
GetComplexValue(modelAnnotation, annotation, model, complexTypeSerializer, serializerContext) :
GetPrimitiveValue(modelAnnotation, annotation, model);
if (value == null)
{
continue;
}
var instanceAnnotation = new ODataInstanceAnnotation(modelAnnotation.QualifiedName, value);
instanceAnnotations.Add(instanceAnnotation);
}
}
public virtual void Apply(ODataFeed feed, ODataSerializationFeatureContext context)
{
Arg.NotNull(feed, nameof(feed));
Arg.NotNull(context, nameof(context));
var model = context.SerializerContext.Model;
var annotations = model.GetAnnotationValue <HashSet <InstanceAnnotation> >(context.EdmElement);
if (annotations != null)
{
AddAnnotations(context, annotations, feed.InstanceAnnotations);
}
}
public virtual void Apply(ODataEntry entry, ODataSerializationFeatureContext context)
{
Arg.NotNull(entry, nameof(entry));
Arg.NotNull(context, nameof(context));
var entityContext = context.EntityInstanceContext;
var entityType = entityContext.EntityType;
if (!entityType.HasStream)
{
return;
}
if (entityContext.SerializerContext.MetadataLevel == NoMetadata)
{
return;
}
var instance = entityContext.TryGetEntityInstance();
if (instance == null)
{
return;
}
var annotation = entityContext.EdmModel.GetAnnotationValue <MediaLinkEntryAnnotation>(entityType);
if (annotation == null)
{
return;
}
var contentType = annotation.GetContentType(instance);
var readLink = annotation.GenerateReadLink?.Invoke(entityContext);
var editLink = annotation.GenerateEditLink?.Invoke(entityContext);
if (string.IsNullOrEmpty(contentType) || (readLink == null && editLink == null))
{
return;
}
var mediaResource = new ODataStreamReferenceValue()
{
ContentType = contentType,
ReadLink = readLink,
EditLink = editLink,
ETag = annotation.GenerateETag?.Invoke(entityContext)
};
entry.MediaResource = mediaResource;
}
/// <summary>
/// Creates and returns an OData complex type value using the specified object graph, tpye, and context.
/// </summary>
/// <param name="graph">The object graph to create a complex value for.</param>
/// <param name="complexType">The type of complex type.</param>
/// <param name="writeContext">The current <see cref="ODataSerializerContext">serializer context</see>.</param>
/// <returns>The created <see cref="ODataComplexValue">complex value</see>.</returns>
public override ODataComplexValue CreateODataComplexValue(object graph, IEdmComplexTypeReference complexType, ODataSerializerContext writeContext)
{
var complexValue = base.CreateODataComplexValue(graph, complexType, writeContext);
var context = new ODataSerializationFeatureContext(complexType, writeContext, ComplexTypeSerializer)
{
Instance = graph
};
foreach (var feature in SerializationFeatures)
{
feature.Apply(complexValue, context);
}
return(complexValue);
}
public override ODataEntry CreateEntry(SelectExpandNode selectExpandNode, EntityInstanceContext entityInstanceContext)
{
Contract.Assume(entityInstanceContext != null);
var entry = base.CreateEntry(selectExpandNode, entityInstanceContext);
var context = new ODataSerializationFeatureContext(entityInstanceContext.EntityType, entityInstanceContext.SerializerContext, ComplexTypeSerializer)
{
Instance = entityInstanceContext.TryGetEntityInstance(),
EntityInstanceContext = entityInstanceContext,
SelectExpandNode = selectExpandNode
};
foreach (var feature in SerializationFeatures)
{
feature.Apply(entry, context);
}
return(entry);
}
public virtual void Apply(ODataEntry entry, ODataSerializationFeatureContext context)
{
Arg.NotNull(entry, nameof(entry));
Arg.NotNull(context, nameof(context));
// note: currently no way to add annotations inside a projection (e.g. $select)
if (context.Instance == null)
{
return;
}
var model = context.SerializerContext.Model;
var entityType = GetStructuredType(context.EdmElement);
var entryAnnotations = model.GetAnnotationValue <HashSet <InstanceAnnotation> >(entityType);
if (entryAnnotations != null)
{
AddAnnotations(context, entryAnnotations, entry.InstanceAnnotations);
}
foreach (var property in entry.Properties)
{
var propertyType = entityType.FindProperty(property.Name);
// likely a dynamic property on open type
if (propertyType == null)
{
continue;
}
var propertyAnnotations = model.GetAnnotationValue <HashSet <InstanceAnnotation> >(propertyType);
if (propertyAnnotations != null)
{
AddAnnotations(context, propertyAnnotations, property.InstanceAnnotations);
}
}
}
void IODataSerializationFeature.Apply(ODataComplexValue complexValue, ODataSerializationFeatureContext context)
{
}
void IODataSerializationFeature.Apply(ODataFeed feed, ODataSerializationFeatureContext context)
{
}
void IODataSerializationFeature.Apply(ODataFeed feed, ODataSerializationFeatureContext context)
{
Contract.Requires <ArgumentNullException>(feed != null, nameof(feed));
Contract.Requires <ArgumentNullException>(context != null, nameof(context));
}
void IODataSerializationFeature.Apply(ODataComplexValue complexValue, ODataSerializationFeatureContext context)
{
Contract.Requires <ArgumentNullException>(complexValue != null, nameof(complexValue));
Contract.Requires <ArgumentNullException>(context != null, nameof(context));
}
void IODataSerializationFeature.Apply(ODataEntry entry, ODataSerializationFeatureContext context)
{
Contract.Requires <ArgumentNullException>(entry != null, nameof(entry));
Contract.Requires <ArgumentNullException>(context != null, nameof(context));
}
