internal static void ApplyProperty(ODataProperty property, IEdmStructuredTypeReference resourceType, object resource, ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext)
{
IEdmProperty edmProperty = resourceType.FindProperty(property.Name);
string propertyName = property.Name;
IEdmTypeReference propertyType = edmProperty != null ? edmProperty.Type : null; // open properties have null values
// If we are in patch mode and we are deserializing an entity object then we are updating Delta<T> and not T.
bool isDelta = readContext.IsPatchMode && resourceType.IsEntity();
EdmTypeKind propertyKind;
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext, out propertyKind);
if (propertyKind == EdmTypeKind.Collection)
{
SetCollectionProperty(resource, propertyName, isDelta, value);
}
else
{
if (propertyKind == EdmTypeKind.Primitive)
{
value = EdmPrimitiveHelpers.ConvertPrimitiveValue(value, GetPropertyType(resource, propertyName, isDelta));
}
SetProperty(resource, propertyName, isDelta, value);
}
}
internal static void ApplyProperty(ODataProperty property, IEdmStructuredTypeReference resourceType, object resource,
ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext, AssembliesResolver assembliesResolver)
{
IEdmProperty edmProperty = resourceType.FindProperty(property.Name);
bool isDynamicProperty = false;
string propertyName = property.Name;
if (edmProperty != null)
{
propertyName = EdmLibHelpers.GetClrPropertyName(edmProperty, readContext.Model);
}
else
{
IEdmStructuredType structuredType = resourceType.StructuredDefinition();
isDynamicProperty = structuredType != null && structuredType.IsOpen;
}
// dynamic properties have null values
IEdmTypeReference propertyType = edmProperty != null ? edmProperty.Type : null;
EdmTypeKind propertyKind;
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext,
out propertyKind);
if (isDynamicProperty)
{
SetDynamicProperty(resource, resourceType, propertyKind, propertyName, value, propertyType,
readContext, assembliesResolver);
}
else
{
SetDeclaredProperty(resource, propertyKind, propertyName, value, edmProperty, readContext, assembliesResolver);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmStructuredObject"/> class.
/// </summary>
/// <param name="instance">The backing CLR instance.</param>
/// <param name="edmType">The <see cref="IEdmStructuredType"/> of this object.</param>
public EdmStructuredObject(object instance, IEdmStructuredTypeReference edmType)
{
Contract.Assert(edmType != null);
Instance = instance;
EdmType = edmType;
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmRecordExpression"/> class.
/// </summary>
/// <param name="declaredType">Optional declared type of the record.</param>
/// <param name="properties">Property constructors.</param>
public EdmRecordExpression(IEdmStructuredTypeReference declaredType, IEnumerable<IEdmPropertyConstructor> properties)
{
EdmUtil.CheckArgumentNull(properties, "properties");
this.declaredType = declaredType;
this.properties = properties;
}
internal static void ApplyProperty(ODataProperty property, IEdmStructuredTypeReference resourceType, object resource,
ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext)
{
IEdmProperty edmProperty = resourceType.FindProperty(property.Name);
string propertyName = property.Name;
IEdmTypeReference propertyType = edmProperty != null ? edmProperty.Type : null; // open properties have null values
EdmTypeKind propertyKind;
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext, out propertyKind);
if (propertyKind == EdmTypeKind.Collection)
{
SetCollectionProperty(resource, edmProperty, value);
}
else
{
if (propertyKind == EdmTypeKind.Primitive && !readContext.IsUntyped)
{
value = EdmPrimitiveHelpers.ConvertPrimitiveValue(value, GetPropertyType(resource, propertyName));
}
SetProperty(resource, propertyName, value);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TypedEdmStructuredObject"/> class.
/// </summary>
/// <param name="instance">The backing CLR instance.</param>
/// <param name="edmType">The <see cref="IEdmStructuredType"/> of this object.</param>
protected TypedEdmStructuredObject(object instance, IEdmStructuredTypeReference edmType)
{
Contract.Assert(edmType != null);
Instance = instance;
_edmType = edmType;
_type = instance == null ? null : instance.GetType();
}
/// <summary>
/// Creates a new Edm structured value from an OData complex value.
/// </summary>
/// <param name="complexValue">The <see cref="ODataComplexValue"/> to create the structured value for.</param>
internal ODataEdmStructuredValue(ODataComplexValue complexValue)
: base(complexValue.GetEdmType())
{
Debug.Assert(complexValue != null, "complexValue != null");
this.properties = complexValue.Properties;
this.structuredType = this.Type == null ? null : this.Type.AsStructured();
}
/// <summary>
/// Creates a new Edm structured value from an OData entry.
/// </summary>
/// <param name="entry">The <see cref="ODataEntry"/> to create the structured value for.</param>
internal ODataEdmStructuredValue(ODataEntry entry)
: base(entry.GetEdmType())
{
Debug.Assert(entry != null, "entry != null");
this.properties = entry.NonComputedProperties;
this.structuredType = this.Type == null ? null : this.Type.AsStructured();
}
internal static void ApplyProperty(ODataProperty property, IEdmStructuredTypeReference resourceType, object resource,
ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext)
{
IEdmProperty edmProperty = resourceType.FindProperty(property.Name);
// try to deserializer the dynamic properties for open type.
if (edmProperty == null)
{
// the logic here works for open complex type and open entity type.
IEdmStructuredType structuredType = resourceType.StructuredDefinition();
if (structuredType != null && structuredType.IsOpen)
{
if (ApplyDynamicProperty(property, structuredType, resource, deserializerProvider, readContext))
{
return;
}
}
}
string propertyName = property.Name;
if (edmProperty != null)
{
propertyName = EdmLibHelpers.GetClrPropertyName(edmProperty, readContext.Model);
}
IEdmTypeReference propertyType = edmProperty != null ? edmProperty.Type : null; // open properties have null values
EdmTypeKind propertyKind;
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext, out propertyKind);
if (propertyKind == EdmTypeKind.Collection)
{
SetCollectionProperty(resource, edmProperty, value, propertyName);
}
else
{
if (!readContext.IsUntyped)
{
if (propertyKind == EdmTypeKind.Primitive)
{
value = EdmPrimitiveHelpers.ConvertPrimitiveValue(value, GetPropertyType(resource, propertyName));
}
else if (propertyKind == EdmTypeKind.Enum)
{
value = EnumDeserializationHelpers.ConvertEnumValue(value, GetPropertyType(resource, propertyName));
}
}
SetProperty(resource, propertyName, value);
}
}
internal static void SetDynamicProperty(object resource, IEdmStructuredTypeReference resourceType,
EdmTypeKind propertyKind, string propertyName, object propertyValue, IEdmTypeReference propertyType,
ODataDeserializerContext readContext, AssembliesResolver assembliesResolver)
{
if (propertyKind == EdmTypeKind.Collection && propertyValue.GetType() != typeof(EdmComplexObjectCollection)
&& propertyValue.GetType() != typeof(EdmEnumObjectCollection))
{
SetDynamicCollectionProperty(resource, propertyName, propertyValue, propertyType.AsCollection(),
resourceType.StructuredDefinition(), readContext, assembliesResolver);
}
else
{
SetDynamicProperty(resource, propertyName, propertyValue, resourceType.StructuredDefinition(),
readContext);
}
}
/// <summary>
/// Converts an <see cref="ODataProperty"/> into the corresponding <see cref="IEdmPropertyValue"/>.
/// </summary>
/// <param name="property">The non-null <see cref="ODataProperty"/> to convert.</param>
/// <param name="declaringType">The declaring type of the property.</param>
/// <returns>An <see cref="IEdmPropertyValue"/> implementation of the <paramref name="property"/> value.</returns>
internal static IEdmPropertyValue GetEdmPropertyValue(this ODataProperty property, IEdmStructuredTypeReference declaringType)
{
Debug.Assert(property != null, "property != null");
IEdmTypeReference propertyType = null;
if (declaringType != null)
{
IEdmProperty edmProperty = declaringType.FindProperty(property.Name);
if (edmProperty == null && !declaringType.IsOpen())
{
throw new ODataException(ODataErrorStrings.ODataEdmStructuredValue_UndeclaredProperty(property.Name, declaringType.FullName()));
}
propertyType = edmProperty == null ? null : edmProperty.Type;
}
return new EdmPropertyValue(property.Name, ConvertValue(property.Value, propertyType).Value);
}
public EdmStructuredValue(IEdmStructuredTypeReference type, IEnumerable<IEdmPropertyValue> propertyValues) : base(type)
{
EdmUtil.CheckArgumentNull<IEnumerable<IEdmPropertyValue>>(propertyValues, "propertyValues");
this.propertyValues = propertyValues;
if (propertyValues != null)
{
int num = 0;
foreach (IEdmPropertyValue propertyValue in propertyValues)
{
num++;
if (num <= 5)
{
continue;
}
this.propertiesDictionaryCache = new Cache<EdmStructuredValue, Dictionary<string, IEdmPropertyValue>>();
break;
}
}
}
internal static void ApplyProperty(ODataProperty property, IEdmStructuredTypeReference resourceType, object resource, ODataDeserializerProvider deserializerProvider, ODataDeserializerReadContext readContext)
{
IEdmProperty edmProperty = resourceType.FindProperty(property.Name);
string propertyName = property.Name;
IEdmTypeReference propertyType = edmProperty != null ? edmProperty.Type : null; // open properties have null values
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext);
// If we are in patch mode and we are deserializing an entity object then we are updating Delta<T> and not T.
if (!readContext.IsPatchMode || !resourceType.IsEntity())
{
resource.GetType().GetProperty(propertyName).SetValue(resource, value, index: null);
}
else
{
(resource as IDelta).TrySetPropertyValue(propertyName, value);
}
}
internal static void SetDynamicProperty(object resource, IEdmStructuredTypeReference resourceType,
EdmTypeKind propertyKind, string propertyName, object propertyValue, IEdmTypeReference propertyType,
ODataDeserializerContext readContext)
{
if (propertyKind == EdmTypeKind.Collection)
{
SetDynamicCollectionProperty(resource, propertyName, propertyValue, propertyType.AsCollection(),
resourceType.StructuredDefinition(), readContext);
}
else
{
if (propertyKind == EdmTypeKind.Enum)
{
propertyValue = ConvertDynamicEnumValue(propertyValue, readContext);
}
SetDynamicProperty(resource, propertyName, propertyValue, resourceType.StructuredDefinition(),
readContext);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmStructuredValue"/> class.
/// </summary>
/// <param name="type">Type that describes this value.</param>
/// <param name="propertyValues">Child values of this value.</param>
public EdmStructuredValue(IEdmStructuredTypeReference type, IEnumerable<IEdmPropertyValue> propertyValues)
: base(type)
{
EdmUtil.CheckArgumentNull(propertyValues, "propertyValues");
this.propertyValues = propertyValues;
if (propertyValues != null)
{
// If there are enough property values, make FindPropertyValue use a dictionary.
int propertyCount = 0;
foreach (IEdmPropertyValue propertyValue in propertyValues)
{
propertyCount++;
if (propertyCount > 5)
{
this.propertiesDictionaryCache = new Cache<EdmStructuredValue, Dictionary<string, IEdmPropertyValue>>();
break;
}
}
}
}
internal static Func<object, object> GetOrCreatePropertyGetter(
Type type,
string propertyName,
IEdmStructuredTypeReference edmType,
IEdmModel model)
{
Tuple<string, Type> key = Tuple.Create(propertyName, type);
Func<object, object> getter;
if (!_propertyGetterCache.TryGetValue(key, out getter))
{
IEdmProperty property = edmType.FindProperty(propertyName);
if (property != null && model != null)
{
propertyName = EdmLibHelpers.GetClrPropertyName(property, model) ?? propertyName;
}
getter = CreatePropertyGetter(type, propertyName);
_propertyGetterCache[key] = getter;
}
return getter;
}
private void SetEpmValueForSegment(EntityPropertyMappingInfo epmInfo, int propertyValuePathIndex, IEdmStructuredTypeReference segmentStructuralTypeReference, List<ODataProperty> existingProperties, object propertyValue)
{
string propertyName = epmInfo.PropertyValuePath[propertyValuePathIndex].PropertyName;
if (!epmInfo.Attribute.KeepInContent)
{
IEdmTypeReference type;
ODataProperty property = existingProperties.FirstOrDefault<ODataProperty>(p => string.CompareOrdinal(p.Name, propertyName) == 0);
ODataComplexValue value2 = null;
if (property != null)
{
value2 = property.Value as ODataComplexValue;
if (value2 == null)
{
return;
}
}
IEdmProperty property2 = segmentStructuralTypeReference.FindProperty(propertyName);
if ((property2 == null) && (propertyValuePathIndex != (epmInfo.PropertyValuePath.Length - 1)))
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmReader_OpenComplexOrCollectionEpmProperty(epmInfo.Attribute.SourcePath));
}
if ((property2 == null) || (this.MessageReaderSettings.DisablePrimitiveTypeConversion && property2.Type.IsODataPrimitiveTypeKind()))
{
type = EdmCoreModel.Instance.GetString(true);
}
else
{
type = property2.Type;
}
switch (type.TypeKind())
{
case EdmTypeKind.Primitive:
object obj2;
if (type.IsStream())
{
throw new ODataException(Microsoft.Data.OData.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_StreamProperty));
}
if (propertyValue == null)
{
ReaderValidationUtils.ValidateNullValue(this.atomInputContext.Model, type, this.atomInputContext.MessageReaderSettings, true, this.atomInputContext.Version);
obj2 = null;
}
else
{
obj2 = AtomValueUtils.ConvertStringToPrimitive((string) propertyValue, type.AsPrimitive());
}
this.AddEpmPropertyValue(existingProperties, propertyName, obj2, segmentStructuralTypeReference.IsODataEntityTypeKind());
return;
case EdmTypeKind.Complex:
{
if (value2 == null)
{
value2 = new ODataComplexValue {
TypeName = type.ODataFullName(),
Properties = new ReadOnlyEnumerable<ODataProperty>()
};
this.AddEpmPropertyValue(existingProperties, propertyName, value2, segmentStructuralTypeReference.IsODataEntityTypeKind());
}
IEdmComplexTypeReference reference2 = type.AsComplex();
this.SetEpmValueForSegment(epmInfo, propertyValuePathIndex + 1, reference2, ReaderUtils.GetPropertiesList(value2.Properties), propertyValue);
return;
}
case EdmTypeKind.Collection:
{
ODataCollectionValue value4 = new ODataCollectionValue {
TypeName = type.ODataFullName(),
Items = new ReadOnlyEnumerable((List<object>) propertyValue)
};
this.AddEpmPropertyValue(existingProperties, propertyName, value4, segmentStructuralTypeReference.IsODataEntityTypeKind());
return;
}
}
throw new ODataException(Microsoft.Data.OData.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_TypeKind));
}
}
internal static bool TryAssertRecordAsType(this IEdmRecordExpression expression, IEdmTypeReference type, out IEnumerable <EdmError> discoveredErrors)
{
IEnumerable <EdmError> edmErrors = null;
EdmUtil.CheckArgumentNull <IEdmRecordExpression>(expression, "expression");
EdmUtil.CheckArgumentNull <IEdmTypeReference>(type, "type");
if (type.IsStructured())
{
HashSetInternal <string> strs = new HashSetInternal <string>();
List <EdmError> edmErrors1 = new List <EdmError>();
IEdmStructuredTypeReference edmStructuredTypeReference = type.AsStructured();
IEnumerator <IEdmProperty> enumerator = edmStructuredTypeReference.StructuredDefinition().Properties().GetEnumerator();
using (enumerator)
{
Func <IEdmPropertyConstructor, bool> func = null;
while (enumerator.MoveNext())
{
IEdmProperty current = enumerator.Current;
IEnumerable <IEdmPropertyConstructor> properties = expression.Properties;
if (func == null)
{
func = (IEdmPropertyConstructor p) => p.Name == current.Name;
}
IEdmPropertyConstructor edmPropertyConstructor = properties.FirstOrDefault <IEdmPropertyConstructor>(func);
if (edmPropertyConstructor != null)
{
if (!edmPropertyConstructor.Value.TryAssertType(current.Type, out edmErrors))
{
IEnumerator <EdmError> enumerator1 = edmErrors.GetEnumerator();
using (enumerator1)
{
while (enumerator1.MoveNext())
{
EdmError edmError = enumerator1.Current;
edmErrors1.Add(edmError);
}
}
}
strs.Add(current.Name);
}
else
{
edmErrors1.Add(new EdmError(expression.Location(), EdmErrorCode.RecordExpressionMissingRequiredProperty, Strings.EdmModel_Validator_Semantic_RecordExpressionMissingProperty(current.Name)));
}
}
}
if (!edmStructuredTypeReference.IsOpen())
{
foreach (IEdmPropertyConstructor property in expression.Properties)
{
if (strs.Contains(property.Name))
{
continue;
}
edmErrors1.Add(new EdmError(expression.Location(), EdmErrorCode.RecordExpressionHasExtraProperties, Strings.EdmModel_Validator_Semantic_RecordExpressionHasExtraProperties(property.Name)));
}
}
if (edmErrors1.FirstOrDefault <EdmError>() == null)
{
discoveredErrors = Enumerable.Empty <EdmError>();
return(true);
}
else
{
discoveredErrors = edmErrors1;
return(false);
}
}
else
{
EdmError[] edmErrorArray = new EdmError[1];
edmErrorArray[0] = new EdmError(expression.Location(), EdmErrorCode.RecordExpressionNotValidForNonStructuredType, Strings.EdmModel_Validator_Semantic_RecordExpressionNotValidForNonStructuredType);
discoveredErrors = edmErrorArray;
return(false);
}
}
private void ApplyDynamicResourceInNestedProperty(string propertyName, object resource, IEdmStructuredTypeReference resourceStructuredType,
ODataResourceWrapper resourceWrapper, ODataDeserializerContext readContext)
{
Contract.Assert(resource != null);
Contract.Assert(readContext != null);
object value = null;
if (resourceWrapper != null)
{
IEdmSchemaType elementType = readContext.Model.FindDeclaredType(resourceWrapper.Resource.TypeName);
IEdmTypeReference edmTypeReference = elementType.ToEdmTypeReference(true);
value = ReadNestedResourceInline(resourceWrapper, edmTypeReference, readContext);
}
DeserializationHelpers.SetDynamicProperty(resource, propertyName, value,
resourceStructuredType.StructuredDefinition(), readContext.Model);
}
/// <summary>
/// Converts an <see cref="ODataProperty"/> into the corresponding <see cref="IEdmPropertyValue"/>.
/// </summary>
/// <param name="property">The non-null <see cref="ODataProperty"/> to convert.</param>
/// <param name="declaringType">The declaring type of the property.</param>
/// <returns>An <see cref="IEdmPropertyValue"/> implementation of the <paramref name="property"/> value.</returns>
internal static IEdmPropertyValue GetEdmPropertyValue(this ODataProperty property, IEdmStructuredTypeReference declaringType)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(property != null, "property != null");
IEdmTypeReference propertyType = null;
if (declaringType != null)
{
IEdmProperty edmProperty = declaringType.FindProperty(property.Name);
if (edmProperty == null && !declaringType.IsOpen())
{
throw new ODataException(ODataErrorStrings.ODataEdmStructuredValue_UndeclaredProperty(property.Name, declaringType.FullName()));
}
propertyType = edmProperty == null ? null : edmProperty.Type;
}
return(new EdmPropertyValue(property.Name, ConvertValue(property.Value, propertyType).Value));
}
/// <summary>
/// Deserializes the given <paramref name="resourceWrapper"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="resourceWrapper">The OData resource to deserialize.</param>
/// <param name="structuredType">The type of the resource to deserialize.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The deserialized resource.</returns>
public virtual object ReadResource(ODataResourceWrapper resourceWrapper, IEdmStructuredTypeReference structuredType,
ODataDeserializerContext readContext)
{
if (resourceWrapper == null)
{
throw new ArgumentNullException(nameof(resourceWrapper));
}
if (readContext == null)
{
throw new ArgumentNullException(nameof(readContext));
}
if (!String.IsNullOrEmpty(resourceWrapper.Resource.TypeName) && structuredType.FullName() != resourceWrapper.Resource.TypeName)
{
// received a derived type in a base type deserializer. delegate it to the appropriate derived type deserializer.
IEdmModel model = readContext.Model;
if (model == null)
{
throw Error.Argument("readContext", SRResources.ModelMissingFromReadContext);
}
IEdmStructuredType actualType = model.FindType(resourceWrapper.Resource.TypeName) as IEdmStructuredType;
if (actualType == null)
{
throw new ODataException(Error.Format(SRResources.ResourceTypeNotInModel, resourceWrapper.Resource.TypeName));
}
if (actualType.IsAbstract)
{
string message = Error.Format(SRResources.CannotInstantiateAbstractResourceType, resourceWrapper.Resource.TypeName);
throw new ODataException(message);
}
IEdmTypeReference actualStructuredType;
IEdmEntityType actualEntityType = actualType as IEdmEntityType;
if (actualEntityType != null)
{
actualStructuredType = new EdmEntityTypeReference(actualEntityType, isNullable: false);
}
else
{
actualStructuredType = new EdmComplexTypeReference(actualType as IEdmComplexType, isNullable: false);
}
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(actualStructuredType);
if (deserializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeDeserialized, actualEntityType.FullName()));
}
object resource = deserializer.ReadInline(resourceWrapper, actualStructuredType, readContext);
EdmStructuredObject structuredObject = resource as EdmStructuredObject;
if (structuredObject != null)
{
structuredObject.ExpectedEdmType = structuredType.StructuredDefinition();
}
return(resource);
}
else
{
object resource = CreateResourceInstance(structuredType, readContext);
ApplyResourceProperties(resource, resourceWrapper, structuredType, readContext);
return(resource);
}
}
/// <summary>
/// Deserializes the nested property from <paramref name="resourceInfoWrapper"/> into <paramref name="resource"/>.
/// </summary>
/// <param name="resource">The object into which the nested property should be read.</param>
/// <param name="resourceInfoWrapper">The nested resource info.</param>
/// <param name="structuredType">The type of the resource.</param>
/// <param name="readContext">The deserializer context.</param>
public virtual void ApplyNestedProperty(object resource, ODataNestedResourceInfoWrapper resourceInfoWrapper,
IEdmStructuredTypeReference structuredType, ODataDeserializerContext readContext)
{
if (resource == null)
{
throw new ArgumentNullException(nameof(resource));
}
if (resourceInfoWrapper == null)
{
throw new ArgumentNullException(nameof(resourceInfoWrapper));
}
IEdmProperty edmProperty = structuredType.FindProperty(resourceInfoWrapper.NestedResourceInfo.Name);
if (edmProperty == null)
{
if (!structuredType.IsOpen())
{
throw new ODataException(
Error.Format(SRResources.NestedPropertyNotfound, resourceInfoWrapper.NestedResourceInfo.Name,
structuredType.FullName()));
}
}
foreach (ODataItemBase childItem in resourceInfoWrapper.NestedItems)
{
// it maybe null.
if (childItem == null)
{
if (edmProperty == null)
{
// for the dynamic, OData.net has a bug. see https://github.com/OData/odata.net/issues/977
ApplyDynamicResourceInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name, resource,
structuredType, null, readContext);
}
else
{
ApplyResourceInNestedProperty(edmProperty, resource, null, readContext);
}
}
ODataEntityReferenceLinkBase entityReferenceLink = childItem as ODataEntityReferenceLinkBase;
if (entityReferenceLink != null)
{
// ignore entity reference links.
continue;
}
ODataResourceSetWrapper resourceSetWrapper = childItem as ODataResourceSetWrapper;
if (resourceSetWrapper != null)
{
if (edmProperty == null)
{
ApplyDynamicResourceSetInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name,
resource, structuredType, resourceSetWrapper, readContext);
}
else
{
ApplyResourceSetInNestedProperty(edmProperty, resource, resourceSetWrapper, readContext);
}
continue;
}
// It must be resource by now.
ODataResourceWrapper resourceWrapper = (ODataResourceWrapper)childItem;
if (resourceWrapper != null)
{
if (edmProperty == null)
{
ApplyDynamicResourceInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name, resource,
structuredType, resourceWrapper, readContext);
}
else
{
ApplyResourceInNestedProperty(edmProperty, resource, resourceWrapper, readContext);
}
}
}
}
public TestEdmStructuredObject(IEdmStructuredTypeReference edmType)
: base(edmType)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmRecordExpression"/> class.
/// </summary>
/// <param name="declaredType">Declared type of the record.</param>
/// <param name="properties">Property constructors.</param>
public EdmRecordExpression(IEdmStructuredTypeReference declaredType, params IEdmPropertyConstructor[] properties)
: this(declaredType, (IEnumerable <IEdmPropertyConstructor>)properties)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmRecordExpression"/> class.
/// </summary>
/// <param name="declaredType">Declared type of the record.</param>
/// <param name="properties">Property constructors.</param>
public EdmRecordExpression(IEdmStructuredTypeReference declaredType, params IEdmPropertyConstructor[] properties)
: this(declaredType, (IEnumerable<IEdmPropertyConstructor>)properties)
{
}
private ODataResourceSet GetResourceSet(IEnumerable enumerable, IEdmTypeReference resourceSetType, IEdmStructuredTypeReference elementType,
ODataSerializerContext writeContext)
{
ODataResourceSet resourceSet = CreateResourceSet(enumerable, resourceSetType.AsCollection(), writeContext);
if (resourceSet == null)
{
throw new SerializationException(Error.Format(SRResources.CannotSerializerNull, ResourceSet));
}
IEdmEntitySetBase entitySet = writeContext.NavigationSource as IEdmEntitySetBase;
if (entitySet == null)
{
resourceSet.SetSerializationInfo(new ODataResourceSerializationInfo
{
IsFromCollection = true,
NavigationSourceEntityTypeName = elementType.FullName(),
NavigationSourceKind = EdmNavigationSourceKind.UnknownEntitySet,
NavigationSourceName = null
});
}
return(resourceSet);
}
protected virtual void ProcessStructuredTypeReference(IEdmStructuredTypeReference reference)
{
this.ProcessTypeReference(reference);
}
private void WriteFeed(IEnumerable enumerable, IEdmTypeReference feedType, ODataWriter writer,
ODataSerializerContext writeContext)
{
Contract.Assert(writer != null);
Contract.Assert(writeContext != null);
Contract.Assert(enumerable != null);
Contract.Assert(feedType != null);
IEdmStructuredTypeReference elementType = GetResourceType(feedType);
if (elementType.IsComplex())
{
ODataResourceSet resourceSet = new ODataResourceSet()
{
TypeName = feedType.FullName()
};
writer.WriteStart(resourceSet);
ODataResourceSerializer entrySerializer = SerializerProvider.GetEdmTypeSerializer(elementType) as ODataResourceSerializer;
if (entrySerializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeSerialized, elementType.FullName()));
}
foreach (object entry in enumerable)
{
entrySerializer.WriteDeltaObjectInline(entry, elementType, writer, writeContext);
}
}
else
{
ODataDeltaResourceSet deltaFeed = CreateODataDeltaFeed(enumerable, feedType.AsCollection(), writeContext);
if (deltaFeed == null)
{
throw new SerializationException(Error.Format(SRResources.CannotSerializerNull, DeltaFeed));
}
// save the next page link for later to support JSON odata.streaming.
Func <object, Uri> nextLinkGenerator = GetNextLinkGenerator(deltaFeed, enumerable, writeContext);
deltaFeed.NextPageLink = null;
//Start writing of the Delta Feed
writer.WriteStart(deltaFeed);
object lastResource = null;
//Iterate over all the entries present and select the appropriate write method.
//Write method creates ODataDeltaDeletedEntry / ODataDeltaDeletedLink / ODataDeltaLink or ODataEntry.
foreach (object entry in enumerable)
{
if (entry == null)
{
throw new SerializationException(SRResources.NullElementInCollection);
}
lastResource = entry;
IEdmChangedObject edmChangedObject = entry as IEdmChangedObject;
if (edmChangedObject == null)
{
throw new SerializationException(Error.Format(SRResources.CannotWriteType, GetType().Name, enumerable.GetType().FullName));
}
switch (edmChangedObject.DeltaKind)
{
case EdmDeltaEntityKind.DeletedEntry:
WriteDeltaDeletedEntry(entry, writer, writeContext);
break;
case EdmDeltaEntityKind.DeletedLinkEntry:
WriteDeltaDeletedLink(entry, writer, writeContext);
break;
case EdmDeltaEntityKind.LinkEntry:
WriteDeltaLink(entry, writer, writeContext);
break;
case EdmDeltaEntityKind.Entry:
{
ODataResourceSerializer entrySerializer = SerializerProvider.GetEdmTypeSerializer(elementType) as ODataResourceSerializer;
if (entrySerializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeSerialized, elementType.FullName()));
}
entrySerializer.WriteDeltaObjectInline(entry, elementType, writer, writeContext);
break;
}
default:
break;
}
}
// Subtle and surprising behavior: If the NextPageLink property is set before calling WriteStart(feed),
// the next page link will be written early in a manner not compatible with odata.streaming=true. Instead, if
// the next page link is not set when calling WriteStart(feed) but is instead set later on that feed
// object before calling WriteEnd(), the next page link will be written at the end, as required for
// odata.streaming=true support.
deltaFeed.NextPageLink = nextLinkGenerator(lastResource);
}
//End Writing of the Delta Feed
writer.WriteEnd();
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmStructuredObject"/> class.
/// </summary>
/// <param name="edmType">The <see cref="IEdmStructuredTypeReference"/> of this object.</param>
protected EdmStructuredObject(IEdmStructuredTypeReference edmType)
: this(edmType.StructuredDefinition(), edmType.IsNullable)
{
}
private static bool AssertOrMatchStructuredType(IEdmStructuredTypeReference structuredTargetType, IEdmStructuredValue structuredValue, bool testPropertyTypes, List <IEdmPropertyValue> newProperties)
{
bool flag;
IEdmTypeReference type = structuredValue.Type;
if (type == null || type.TypeKind() == EdmTypeKind.Row || structuredTargetType.StructuredDefinition().InheritsFrom(type.AsStructured().StructuredDefinition()))
{
HashSetInternal <IEdmPropertyValue> edmPropertyValues = new HashSetInternal <IEdmPropertyValue>();
IEnumerator <IEdmStructuralProperty> enumerator = structuredTargetType.StructuralProperties().GetEnumerator();
using (enumerator)
{
while (enumerator.MoveNext())
{
IEdmProperty current = enumerator.Current;
IEdmPropertyValue edmPropertyValue = structuredValue.FindPropertyValue(current.Name);
if (edmPropertyValue != null)
{
edmPropertyValues.Add(edmPropertyValue);
if (!testPropertyTypes)
{
continue;
}
if (newProperties == null)
{
if (EdmExpressionEvaluator.MatchesType(current.Type, edmPropertyValue.Value))
{
continue;
}
flag = false;
return(flag);
}
else
{
newProperties.Add(new EdmPropertyValue(edmPropertyValue.Name, EdmExpressionEvaluator.AssertType(current.Type, edmPropertyValue.Value)));
}
}
else
{
flag = false;
return(flag);
}
}
if (structuredTargetType.IsEntity())
{
IEnumerator <IEdmNavigationProperty> enumerator1 = structuredTargetType.AsEntity().NavigationProperties().GetEnumerator();
using (enumerator1)
{
while (enumerator1.MoveNext())
{
IEdmNavigationProperty edmNavigationProperty = enumerator1.Current;
IEdmPropertyValue edmPropertyValue1 = structuredValue.FindPropertyValue(edmNavigationProperty.Name);
if (edmPropertyValue1 != null)
{
if (!testPropertyTypes || EdmExpressionEvaluator.MatchesType(edmNavigationProperty.Type, edmPropertyValue1.Value, false))
{
edmPropertyValues.Add(edmPropertyValue1);
if (newProperties == null)
{
continue;
}
newProperties.Add(edmPropertyValue1);
}
else
{
flag = false;
return(flag);
}
}
else
{
flag = false;
return(flag);
}
}
}
}
if (newProperties != null)
{
IEnumerator <IEdmPropertyValue> enumerator2 = structuredValue.PropertyValues.GetEnumerator();
using (enumerator2)
{
while (enumerator2.MoveNext())
{
IEdmPropertyValue current1 = enumerator2.Current;
if (edmPropertyValues.Contains(current1))
{
continue;
}
newProperties.Add(current1);
}
}
}
return(true);
}
return(flag);
}
else
{
return(false);
}
}
internal List <ODataProperty> AppendDynamicProperties(object source, IEdmStructuredTypeReference structuredType,
ODataSerializerContext writeContext, List <ODataProperty> declaredProperties,
string[] selectedDynamicProperties)
{
Contract.Assert(source != null);
Contract.Assert(structuredType != null);
Contract.Assert(writeContext != null);
Contract.Assert(writeContext.Model != null);
bool nullDynamicPropertyEnabled = false;
if (source is EdmDeltaComplexObject || source is EdmDeltaEntityObject)
{
nullDynamicPropertyEnabled = true;
}
else if (writeContext.Request != null)
{
HttpConfiguration configuration = writeContext.Request.GetConfiguration();
if (configuration != null)
{
nullDynamicPropertyEnabled = configuration.HasEnabledNullDynamicProperty();
}
}
PropertyInfo dynamicPropertyInfo = EdmLibHelpers.GetDynamicPropertyDictionary(
structuredType.StructuredDefinition(), writeContext.Model);
IEdmStructuredObject structuredObject = source as IEdmStructuredObject;
object value;
IDelta delta = source as IDelta;
if (delta == null)
{
if (dynamicPropertyInfo == null || structuredObject == null ||
!structuredObject.TryGetPropertyValue(dynamicPropertyInfo.Name, out value) || value == null)
{
return(null);
}
}
else
{
value = ((EdmStructuredObject)structuredObject).TryGetDynamicProperties();
}
IDictionary <string, object> dynamicPropertyDictionary = (IDictionary <string, object>)value;
// Build a HashSet to store the declared property names.
// It is used to make sure the dynamic property name is different from all declared property names.
HashSet <string> declaredPropertyNameSet = new HashSet <string>(declaredProperties.Select(p => p.Name));
List <ODataProperty> dynamicProperties = new List <ODataProperty>();
IEnumerable <KeyValuePair <string, object> > dynamicPropertiesToSelect =
dynamicPropertyDictionary.Where(
x => !selectedDynamicProperties.Any() || selectedDynamicProperties.Contains(x.Key));
foreach (KeyValuePair <string, object> dynamicProperty in dynamicPropertiesToSelect)
{
if (String.IsNullOrEmpty(dynamicProperty.Key))
{
continue;
}
if (dynamicProperty.Value == null)
{
if (nullDynamicPropertyEnabled)
{
dynamicProperties.Add(new ODataProperty
{
Name = dynamicProperty.Key,
Value = new ODataNullValue()
});
}
continue;
}
if (declaredPropertyNameSet.Contains(dynamicProperty.Key))
{
throw Error.InvalidOperation(SRResources.DynamicPropertyNameAlreadyUsedAsDeclaredPropertyName,
dynamicProperty.Key, structuredType.FullName());
}
IEdmTypeReference edmTypeReference = writeContext.GetEdmType(dynamicProperty.Value,
dynamicProperty.Value.GetType());
if (edmTypeReference == null)
{
throw Error.NotSupported(SRResources.TypeOfDynamicPropertyNotSupported,
dynamicProperty.Value.GetType().FullName, dynamicProperty.Key);
}
ODataEdmTypeSerializer propertySerializer = SerializerProvider.GetEdmTypeSerializer(edmTypeReference);
if (propertySerializer == null)
{
throw Error.NotSupported(SRResources.DynamicPropertyCannotBeSerialized, dynamicProperty.Key,
edmTypeReference.FullName());
}
dynamicProperties.Add(propertySerializer.CreateProperty(
dynamicProperty.Value, edmTypeReference, dynamicProperty.Key, writeContext));
}
return(dynamicProperties);
}
/// <summary>
/// Walk the JSON body and change outgoing V4 properties that would serialize in an unexpected way to properties that will
/// serialize in a way understood by V3 OData clients.
/// </summary>
/// <param name="node">JToken root or child in body</param>
/// <param name="edmType">Corresponding type of this node</param>
private static void WalkTranslateResponse(this JToken node, IEdmTypeReference edmType)
{
if (node == null)
{
return;
}
if (edmType.IsCollection() && node.Type == JTokenType.Object && node["value"] != null)
{
// Special case where entity type is a collection
WalkTranslateResponse(node["value"], edmType);
}
else
{
if (node.Type == JTokenType.Object)
{
JObject obj = (JObject)node;
IEdmStructuredTypeReference structuredType = edmType.AsStructured();
foreach (JProperty child in node.Children <JProperty>().ToList())
{
IEdmProperty property = structuredType.FindProperty(child.Name);
if (property != null &&
property.Type.TypeKind() == EdmTypeKind.Primitive &&
((IEdmPrimitiveType)property.Type.Definition).PrimitiveKind == EdmPrimitiveTypeKind.Int64)
{
// Quote long types
obj[child.Name] = obj[child.Name].ToString();
}
else if (property != null)
{
// If type is not IEdmStructuredTypeReference or IEdmCollectionTypeReference, then won't need to convert.
if (property.Type.TypeKind() == EdmTypeKind.Collection)
{
// Translate collections
WalkTranslateResponse(child.Value, property.Type as IEdmCollectionTypeReference);
}
else if (property.Type.TypeKind() == EdmTypeKind.Entity ||
property.Type.TypeKind() == EdmTypeKind.Complex)
{
// Continue to translate deeper entities
WalkTranslateResponse(child.Value, property.Type as IEdmStructuredTypeReference);
}
}
}
}
else if (node.Type == JTokenType.Array)
{
JArray items = (JArray)node;
IEdmCollectionTypeReference collectionType = (IEdmCollectionTypeReference)edmType;
IEdmTypeReference elementType = collectionType.Definition.AsElementType().ToEdmTypeReference();
if (elementType != null)
{
for (int i = 0; i < items.Count; i++)
{
if (elementType.IsComplex() || elementType.IsEntity() || elementType.IsCollection())
{
// Continue to translate deeper entities
items[i].WalkTranslateResponse(elementType);
}
else
{
// Do translation of V3 formatted types to V4 formatted types at this primitive level
if (items[i].Type == JTokenType.String && elementType.IsInt64())
{
items[i] = new JValue(items[i].ToString());
}
}
}
}
}
}
}
/// <summary>
/// Deserializes the nested property from <paramref name="resourceInfoWrapper"/> into <paramref name="resource"/>.
/// </summary>
/// <param name="resource">The object into which the nested property should be read.</param>
/// <param name="resourceInfoWrapper">The nested resource info.</param>
/// <param name="structuredType">The type of the resource.</param>
/// <param name="readContext">The deserializer context.</param>
public virtual void ApplyNestedProperty(object resource, ODataNestedResourceInfoWrapper resourceInfoWrapper,
IEdmStructuredTypeReference structuredType, ODataDeserializerContext readContext)
{
if (resource == null)
{
throw Error.ArgumentNull(nameof(resource));
}
if (resourceInfoWrapper == null)
{
throw Error.ArgumentNull(nameof(resourceInfoWrapper));
}
IEdmProperty edmProperty = structuredType.FindProperty(resourceInfoWrapper.NestedResourceInfo.Name);
if (edmProperty == null)
{
if (!structuredType.IsOpen())
{
throw new ODataException(
Error.Format(SRResources.NestedPropertyNotfound, resourceInfoWrapper.NestedResourceInfo.Name,
structuredType.FullName()));
}
}
IList <ODataItemWrapper> nestedItems;
var referenceLinks = resourceInfoWrapper.NestedItems.OfType <ODataEntityReferenceLinkWrapper>().ToArray();
if (referenceLinks.Length > 0)
{
// Be noted:
// 1) OData v4.0, it's "*****@*****.**", and we get "ODataEntityReferenceLinkWrapper"(s) for that.
// 2) OData v4.01, it's {"odata.id" ...}, and we get "ODataResource"(s) for that.
// So, in OData v4, if it's a single, NestedItems contains one ODataEntityReferenceLinkWrapper,
// if it's a collection, NestedItems contains multiple ODataEntityReferenceLinkWrapper(s)
// We can use the following codes to adjust the `ODataEntityReferenceLinkWrapper` to `ODataResourceWrapper`.
// In OData v4.01, we will not be here.
// Only supports declared property
Contract.Assert(edmProperty != null);
nestedItems = new List <ODataItemWrapper>();
if (edmProperty.Type.IsCollection())
{
IEdmCollectionTypeReference edmCollectionTypeReference = edmProperty.Type.AsCollection();
ODataResourceSetWrapper resourceSetWrapper = CreateResourceSetWrapper(edmCollectionTypeReference, referenceLinks, readContext);
nestedItems.Add(resourceSetWrapper);
}
else
{
ODataResourceWrapper resourceWrapper = CreateResourceWrapper(edmProperty.Type, referenceLinks[0], readContext);
nestedItems.Add(resourceWrapper);
}
}
else
{
nestedItems = resourceInfoWrapper.NestedItems;
}
foreach (ODataItemWrapper childItem in nestedItems)
{
// it maybe null.
if (childItem == null)
{
if (edmProperty == null)
{
// for the dynamic, OData.net has a bug. see https://github.com/OData/odata.net/issues/977
ApplyDynamicResourceInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name, resource,
structuredType, null, readContext);
}
else
{
ApplyResourceInNestedProperty(edmProperty, resource, null, readContext);
}
}
ODataResourceSetWrapper resourceSetWrapper = childItem as ODataResourceSetWrapper;
if (resourceSetWrapper != null)
{
if (edmProperty == null)
{
ApplyDynamicResourceSetInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name,
resource, structuredType, resourceSetWrapper, readContext);
}
else
{
ApplyResourceSetInNestedProperty(edmProperty, resource, resourceSetWrapper, readContext);
}
continue;
}
if (childItem is ODataDeltaResourceSetWrapper deltaResourceSetWrapper)
{
Contract.Assert(edmProperty != null, "nested delta resource cannot be dynamic property!");
ApplyNestedDeltaResourceSet(edmProperty, resource, deltaResourceSetWrapper, readContext);
continue;
}
// It must be resource by now.
ODataResourceWrapper resourceWrapper = (ODataResourceWrapper)childItem;
if (resourceWrapper != null)
{
if (edmProperty == null)
{
ApplyDynamicResourceInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name, resource,
structuredType, resourceWrapper, readContext);
}
else
{
ApplyResourceInNestedProperty(edmProperty, resource, resourceWrapper, readContext);
}
}
}
}
private async Task WriteResourceSet(IEnumerable enumerable, IEdmTypeReference resourceSetType, ODataWriter writer,
ODataSerializerContext writeContext)
{
Contract.Assert(writer != null);
Contract.Assert(writeContext != null);
Contract.Assert(enumerable != null);
Contract.Assert(resourceSetType != null);
IEdmStructuredTypeReference elementType = GetResourceType(resourceSetType);
ODataResourceSet resourceSet = CreateResourceSet(enumerable, resourceSetType.AsCollection(), writeContext);
if (resourceSet == null)
{
throw new SerializationException(Error.Format(SRResources.CannotSerializerNull, ResourceSet));
}
IEdmEntitySetBase entitySet = writeContext.NavigationSource as IEdmEntitySetBase;
if (entitySet == null)
{
resourceSet.SetSerializationInfo(new ODataResourceSerializationInfo
{
IsFromCollection = true,
NavigationSourceEntityTypeName = elementType.FullName(),
NavigationSourceKind = EdmNavigationSourceKind.UnknownEntitySet,
NavigationSourceName = null
});
}
ODataEdmTypeSerializer resourceSerializer = SerializerProvider.GetEdmTypeSerializer(writeContext.Context, elementType);
if (resourceSerializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeSerialized, elementType.FullName(), typeof(ODataOutputFormatter).Name));
}
// save this for later to support JSON odata.streaming.
Uri nextPageLink = resourceSet.NextPageLink;
resourceSet.CountOnly = enumerable is ICountOptionCollection && (enumerable as ITruncatedCollection).OnlyCount;
resourceSet.NextPageLink = null;
writer.WriteStart(resourceSet);
foreach (object item in enumerable)
{
if (item == null || item is NullEdmComplexObject)
{
if (elementType.IsEntity())
{
throw new SerializationException(SRResources.NullElementInCollection);
}
// for null complex element, it can be serialized as "null" in the collection.
writer.WriteStart(resource: null);
writer.WriteEnd();
}
else
{
await resourceSerializer.WriteObjectInlineAsync(item, elementType, writer, writeContext);
}
}
// Subtle and surprising behavior: If the NextPageLink property is set before calling WriteStart(resourceSet),
// the next page link will be written early in a manner not compatible with odata.streaming=true. Instead, if
// the next page link is not set when calling WriteStart(resourceSet) but is instead set later on that resourceSet
// object before calling WriteEnd(), the next page link will be written at the end, as required for
// odata.streaming=true support.
if (nextPageLink != null)
{
resourceSet.NextPageLink = nextPageLink;
}
writer.WriteEnd();
}
private void SetEpmValueForSegment(
EntityPropertyMappingInfo epmInfo,
int propertyValuePathIndex,
IEdmStructuredTypeReference segmentStructuralTypeReference,
List<ODataProperty> existingProperties,
object propertyValue)
{
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(propertyValuePathIndex < epmInfo.PropertyValuePath.Length, "The propertyValuePathIndex is out of bounds.");
Debug.Assert(existingProperties != null, "existingProperties != null");
string propertyName = epmInfo.PropertyValuePath[propertyValuePathIndex].PropertyName;
// Do not set out-of-content values if the EPM is defined as KeepInContent=true.
if (epmInfo.Attribute.KeepInContent)
{
return;
}
// Try to find the property in the existing properties
// If the property value is atomic from point of view of EPM (non-streaming collection or primitive) then if it already exists
// it must have been in-content, and thus we leave it as is (note that two EPMs can't map to the same property, we verify that upfront).
// If the property value is non-atomic, then it is a complex value, we might want to merge the new value comming from EPM with it.
ODataProperty existingProperty = existingProperties.FirstOrDefault(p => string.CompareOrdinal(p.Name, propertyName) == 0);
ODataComplexValue existingComplexValue = null;
if (existingProperty != null)
{
// In case the property exists and it's a complex value we will try to merge.
// Note that if the property is supposed to be complex, but it already has a null value, then the null wins.
// Since in-content null complex value wins over any EPM complex value.
existingComplexValue = existingProperty.Value as ODataComplexValue;
if (existingComplexValue == null)
{
return;
}
}
IEdmProperty propertyMetadata = segmentStructuralTypeReference.FindProperty(propertyName);
Debug.Assert(propertyMetadata != null || segmentStructuralTypeReference.IsOpen(), "We should have verified that if the property is not declared the type must be open.");
if (propertyMetadata == null && propertyValuePathIndex != epmInfo.PropertyValuePath.Length - 1)
{
throw new ODataException(o.Strings.EpmReader_OpenComplexOrCollectionEpmProperty(epmInfo.Attribute.SourcePath));
}
// Open properties in EPM are by default of type Edm.String - there's no way to specify a typename in EPM
// consumer is free to do the conversion later on if it needs to.
// Note that this effectively means that ODataMessageReaderSettings.DisablePrimitiveTypeConversion is as if it's turned on for open EPM properties.
IEdmTypeReference propertyType;
if (propertyMetadata == null ||
(this.MessageReaderSettings.DisablePrimitiveTypeConversion && propertyMetadata.Type.IsODataPrimitiveTypeKind()))
{
propertyType = EdmCoreModel.Instance.GetString(/*nullable*/true);
}
else
{
propertyType = propertyMetadata.Type;
}
// NOTE: WCF DS Server only applies the values when
// - It's an open property
// - It's not a key property
// - It's a key property and it's a POST operation
// ODataLib here will always set the property though.
switch (propertyType.TypeKind())
{
case EdmTypeKind.Primitive:
{
if (propertyType.IsStream())
{
throw new ODataException(o.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_StreamProperty));
}
object primitiveValue;
if (propertyValue == null)
{
ReaderValidationUtils.ValidateNullValue(this.atomInputContext.Model, propertyType, this.atomInputContext.MessageReaderSettings, /*validateNullValue*/ true, this.atomInputContext.Version);
primitiveValue = null;
}
else
{
// Convert the value to the desired target type
primitiveValue = AtomValueUtils.ConvertStringToPrimitive((string)propertyValue, propertyType.AsPrimitive());
}
this.AddEpmPropertyValue(existingProperties, propertyName, primitiveValue, segmentStructuralTypeReference.IsODataEntityTypeKind());
}
break;
case EdmTypeKind.Complex:
// Note: Unlike WCF DS we don't have a preexisting instance to override (since complex values are atomic, so we should not updated them)
// In our case the complex value either doesn't exist yet on the entry being reported (easy, create it)
// or it exists, but then it was created during reading of previous normal or EPM properties for this entry. It never exists before
// we ever get to see the entity. So in our case we will never recreate the complex value, we always start with new one
// and update it with new properties as they come. (Next time we will start over with a new complex value.)
Debug.Assert(
existingComplexValue == null || (existingProperty != null && existingProperty.Value == existingComplexValue),
"If we have existing complex value, we must have an existing property as well.");
Debug.Assert(
epmInfo.PropertyValuePath.Length > propertyValuePathIndex + 1,
"Complex value can not be a leaf segment in the source property path. We should have failed constructing the EPM trees for it.");
if (existingComplexValue == null)
{
Debug.Assert(existingProperty == null, "If we don't have an existing complex value, then we must not have an existing property at all.");
// Create a new complex value and set its type name to the type name of the property type (in case of EPM we never have type name from the payload)
existingComplexValue = new ODataComplexValue
{
TypeName = propertyType.ODataFullName(),
Properties = new ReadOnlyEnumerable<ODataProperty>()
};
this.AddEpmPropertyValue(existingProperties, propertyName, existingComplexValue, segmentStructuralTypeReference.IsODataEntityTypeKind());
}
// Get the properties list of the complex value and recursively set the next EPM segment value to it.
// Note that on inner complex value we don't need to check for duplicate properties
// because EPM will never add a property which already exists (see the start of this method).
IEdmComplexTypeReference complexPropertyTypeReference = propertyType.AsComplex();
Debug.Assert(complexPropertyTypeReference != null, "complexPropertyTypeReference != null");
this.SetEpmValueForSegment(
epmInfo,
propertyValuePathIndex + 1,
complexPropertyTypeReference,
ReaderUtils.GetPropertiesList(existingComplexValue.Properties),
propertyValue);
break;
case EdmTypeKind.Collection:
Debug.Assert(propertyType.IsNonEntityODataCollectionTypeKind(), "Collection types in EPM must be atomic.");
// In this case the property value is the internal list of items.
// Create a new collection value and set the list as the list of items on it.
ODataCollectionValue collectionValue = new ODataCollectionValue
{
TypeName = propertyType.ODataFullName(),
Items = new ReadOnlyEnumerable((List<object>)propertyValue)
};
this.AddEpmPropertyValue(existingProperties, propertyName, collectionValue, segmentStructuralTypeReference.IsODataEntityTypeKind());
break;
default:
throw new ODataException(o.Strings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_TypeKind));
}
}
/// <summary>
/// Creates a new instance of the backing CLR object for the given resource type.
/// </summary>
/// <param name="structuredType">The EDM type of the resource to create.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The created CLR object.</returns>
public virtual object CreateResourceInstance(IEdmStructuredTypeReference structuredType, ODataDeserializerContext readContext)
{
if (structuredType == null)
{
throw new ArgumentNullException(nameof(structuredType));
}
if (readContext == null)
{
throw new ArgumentNullException(nameof(readContext));
}
IEdmModel model = readContext.Model;
if (model == null)
{
throw Error.Argument("readContext", SRResources.ModelMissingFromReadContext);
}
if (readContext.IsUntyped)
{
if (structuredType.IsEntity())
{
return(new EdmEntityObject(structuredType.AsEntity()));
}
return(new EdmComplexObject(structuredType.AsComplex()));
}
else
{
Type clrType = model.GetClrType(structuredType);
if (clrType == null)
{
throw new ODataException(
Error.Format(SRResources.MappingDoesNotContainResourceType, structuredType.FullName()));
}
if (readContext.IsDeltaOfT)
{
IEnumerable <string> structuralProperties = structuredType.StructuralProperties()
.Select(edmProperty => model.GetClrPropertyName(edmProperty));
if (structuredType.IsOpen())
{
PropertyInfo dynamicDictionaryPropertyInfo = model.GetDynamicPropertyDictionary(
structuredType.StructuredDefinition());
return(Activator.CreateInstance(readContext.ResourceType, clrType, structuralProperties,
dynamicDictionaryPropertyInfo));
}
else
{
return(Activator.CreateInstance(readContext.ResourceType, clrType, structuralProperties));
}
}
else
{
return(Activator.CreateInstance(clrType));
}
}
}
private object ReadPropertyValue(EntityPropertyMappingInfo epmInfo, IEnumerable<ODataProperty> cachedProperties, int sourceSegmentIndex, IEdmStructuredTypeReference structuredTypeReference, EpmValueCache epmValueCache)
{
EpmSourcePathSegment segment = epmInfo.PropertyValuePath[sourceSegmentIndex];
string propertyName = segment.PropertyName;
bool flag = epmInfo.PropertyValuePath.Length == (sourceSegmentIndex + 1);
IEdmStructuredType owningStructuredType = structuredTypeReference.StructuredDefinition();
IEdmProperty expectedProperty = WriterValidationUtils.ValidatePropertyDefined(propertyName, owningStructuredType);
if (expectedProperty != null)
{
if (flag)
{
if (!expectedProperty.Type.IsODataPrimitiveTypeKind() && !expectedProperty.Type.IsNonEntityODataCollectionTypeKind())
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
}
else if (expectedProperty.Type.TypeKind() != EdmTypeKind.Complex)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
}
ODataProperty property2 = (cachedProperties == null) ? null : cachedProperties.FirstOrDefault<ODataProperty>(p => (p.Name == propertyName));
if (property2 == null)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_MissingPropertyOnInstance(propertyName, structuredTypeReference.ODataFullName()));
}
object obj2 = property2.Value;
ODataComplexValue complexValue = obj2 as ODataComplexValue;
if (flag)
{
if (obj2 == null)
{
WriterValidationUtils.ValidateNullPropertyValue(expectedProperty, this.WriterBehavior, this.atomOutputContext.Model);
return obj2;
}
if (complexValue != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
ODataCollectionValue value3 = obj2 as ODataCollectionValue;
if (value3 != null)
{
string str = value3.TypeName;
WriterValidationUtils.ResolveTypeNameForWriting(this.atomOutputContext.Model, (expectedProperty == null) ? null : expectedProperty.Type, ref str, EdmTypeKind.Collection, expectedProperty == null);
return obj2;
}
if (obj2 is ODataStreamReferenceValue)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(propertyName));
}
if (obj2 is ISpatial)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_OpenPropertySpatialTypeCannotBeMapped(propertyName, epmInfo.DefiningType.FullName()));
}
if (expectedProperty != null)
{
ValidationUtils.ValidateIsExpectedPrimitiveType(obj2, expectedProperty.Type);
}
return obj2;
}
if (complexValue == null)
{
if (obj2 != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
return null;
}
string typeName = complexValue.TypeName;
IEdmComplexTypeReference complexType = WriterValidationUtils.ResolveTypeNameForWriting(this.atomOutputContext.Model, (expectedProperty == null) ? null : expectedProperty.Type, ref typeName, EdmTypeKind.Complex, expectedProperty == null).AsComplexOrNull();
return this.ReadComplexPropertyValue(epmInfo, complexValue, epmValueCache, sourceSegmentIndex + 1, complexType);
}
private void ApplyResourceProperties(object resource, ODataResourceWrapper resourceWrapper,
IEdmStructuredTypeReference structuredType, ODataDeserializerContext readContext)
{
ApplyStructuralProperties(resource, resourceWrapper, structuredType, readContext);
ApplyNestedProperties(resource, resourceWrapper, structuredType, readContext);
}
private void SetPropertyValue(ODataSerializerContext writeContext, List <ODataProperty> properties, IEdmStructuredTypeReference expectedType, string propertyName, object propertyValue)
{
if (propertyValue == null && expectedType == null)
{
properties.Add(new ODataProperty {
Name = propertyName, Value = new ODataNullValue()
});
}
else
{
IEdmTypeReference edmTypeReference;
ODataEdmTypeSerializer edmTypeSerializer = null;
edmTypeReference = propertyValue == null ? expectedType : writeContext.GetEdmType(propertyValue,
propertyValue.GetType());
if (edmTypeReference != null)
{
edmTypeSerializer = GetResourceValueEdmTypeSerializer(edmTypeReference);
}
if (edmTypeSerializer != null)
{
ODataValue odataValue = edmTypeSerializer.CreateODataValue(propertyValue, edmTypeReference, writeContext);
properties.Add(new ODataProperty {
Name = propertyName, Value = odataValue
});
}
}
}
private void ApplyDynamicResourceSetInNestedProperty(string propertyName, object resource, IEdmStructuredTypeReference structuredType,
ODataResourceSetWrapper resourceSetWrapper, ODataDeserializerContext readContext)
{
Contract.Assert(resource != null);
Contract.Assert(readContext != null);
if (string.IsNullOrEmpty(resourceSetWrapper.ResourceSet.TypeName))
{
string message = Error.Format(SRResources.DynamicResourceSetTypeNameIsRequired, propertyName);
throw new ODataException(message);
}
string elementTypeName =
DeserializationHelpers.GetCollectionElementTypeName(resourceSetWrapper.ResourceSet.TypeName,
isNested: false);
IEdmSchemaType elementType = readContext.Model.FindDeclaredType(elementTypeName);
IEdmTypeReference edmTypeReference = elementType.ToEdmTypeReference(true);
EdmCollectionTypeReference collectionType = new EdmCollectionTypeReference(new EdmCollectionType(edmTypeReference));
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(collectionType);
if (deserializer == null)
{
throw new SerializationException(Error.Format(SRResources.TypeCannotBeDeserialized, collectionType.FullName()));
}
IEnumerable value = ReadNestedResourceSetInline(resourceSetWrapper, collectionType, readContext) as IEnumerable;
object result = value;
if (value != null)
{
if (readContext.IsUntyped)
{
result = value.ConvertToEdmObject(collectionType);
}
}
DeserializationHelpers.SetDynamicProperty(resource, structuredType, EdmTypeKind.Collection, propertyName,
result, collectionType, readContext.Model);
}
internal List <ODataProperty> AppendDynamicProperties(object source, IEdmStructuredTypeReference structuredType,
ODataSerializerContext writeContext, List <ODataProperty> declaredProperties)
{
Contract.Assert(source != null);
Contract.Assert(structuredType != null);
Contract.Assert(writeContext != null);
Contract.Assert(writeContext.Model != null);
PropertyInfo dynamicPropertyInfo = EdmLibHelpers.GetDynamicPropertyDictionary(
structuredType.StructuredDefinition(), writeContext.Model);
IEdmStructuredObject structuredObject = source as IEdmStructuredObject;
object value;
if (dynamicPropertyInfo == null || structuredObject == null ||
!structuredObject.TryGetPropertyValue(dynamicPropertyInfo.Name, out value) || value == null)
{
return(null);
}
IDictionary <string, object> dynamicPropertyDictionary = (IDictionary <string, object>)value;
// Build a HashSet to store the declared property names.
// It is used to make sure the dynamic property name is different from all declared property names.
HashSet <string> declaredPropertyNameSet = new HashSet <string>(declaredProperties.Select(p => p.Name));
List <ODataProperty> dynamicProperties = new List <ODataProperty>();
foreach (KeyValuePair <string, object> dynamicProperty in dynamicPropertyDictionary)
{
if (String.IsNullOrEmpty(dynamicProperty.Key) || dynamicProperty.Value == null)
{
continue; // skip the null object
}
if (declaredPropertyNameSet.Contains(dynamicProperty.Key))
{
throw Error.InvalidOperation(SRResources.DynamicPropertyNameAlreadyUsedAsDeclaredPropertyName,
dynamicProperty.Key, structuredType.FullName());
}
IEdmTypeReference edmTypeReference = writeContext.GetEdmType(dynamicProperty.Value,
dynamicProperty.Value.GetType());
if (edmTypeReference == null)
{
throw Error.NotSupported(SRResources.TypeOfDynamicPropertyNotSupported,
dynamicProperty.Value.GetType().FullName, dynamicProperty.Key);
}
ODataEdmTypeSerializer propertySerializer = SerializerProvider.GetEdmTypeSerializer(edmTypeReference);
if (propertySerializer == null)
{
throw Error.NotSupported(SRResources.DynamicPropertyCannotBeSerialized, dynamicProperty.Key,
edmTypeReference.FullName());
}
dynamicProperties.Add(propertySerializer.CreateProperty(
dynamicProperty.Value, edmTypeReference, dynamicProperty.Key, writeContext));
}
return(dynamicProperties);
}
/// <summary>
/// Create the <see cref="ODataResourceSet"/> to be written for the given resourceSet instance.
/// </summary>
/// <param name="resourceSetInstance">The instance representing the resourceSet being written.</param>
/// <param name="resourceSetType">The EDM type of the resourceSet being written.</param>
/// <param name="writeContext">The serializer context.</param>
/// <returns>The created <see cref="ODataResourceSet"/> object.</returns>
public virtual ODataResourceSet CreateResourceSet(IEnumerable resourceSetInstance, IEdmCollectionTypeReference resourceSetType,
ODataSerializerContext writeContext)
{
ODataResourceSet resourceSet = new ODataResourceSet
{
TypeName = resourceSetType.FullName()
};
IEdmStructuredTypeReference structuredType = GetResourceType(resourceSetType).AsStructured();
if (writeContext.NavigationSource != null && structuredType.IsEntity())
{
ResourceSetContext resourceSetContext = ResourceSetContext.Create(writeContext, resourceSetInstance);
IEdmEntityType entityType = structuredType.AsEntity().EntityDefinition();
var operations = writeContext.Model.GetAvailableOperationsBoundToCollection(entityType);
var odataOperations = CreateODataOperations(operations, resourceSetContext, writeContext);
foreach (var odataOperation in odataOperations)
{
ODataAction action = odataOperation as ODataAction;
if (action != null)
{
resourceSet.AddAction(action);
}
else
{
resourceSet.AddFunction((ODataFunction)odataOperation);
}
}
}
if (writeContext.ExpandedResource == null)
{
// If we have more OData format specific information apply it now, only if we are the root feed.
PageResult odataResourceSetAnnotations = resourceSetInstance as PageResult;
if (odataResourceSetAnnotations != null)
{
resourceSet.Count = odataResourceSetAnnotations.Count;
resourceSet.NextPageLink = odataResourceSetAnnotations.NextPageLink;
}
else if (writeContext.Request != null)
{
resourceSet.NextPageLink = writeContext.InternalRequest.Context.NextLink;
resourceSet.DeltaLink = writeContext.InternalRequest.Context.DeltaLink;
long?countValue = writeContext.InternalRequest.Context.TotalCount;
if (countValue.HasValue)
{
resourceSet.Count = countValue.Value;
}
}
}
else
{
ICountOptionCollection countOptionCollection = resourceSetInstance as ICountOptionCollection;
if (countOptionCollection != null && countOptionCollection.TotalCount != null)
{
resourceSet.Count = countOptionCollection.TotalCount;
}
}
return(resourceSet);
}
/// <summary>
/// Reads a property value starting with the specified index to the property value path.
/// </summary>
/// <param name="epmInfo">The EPM info which describes the mapping for which to read the property value.</param>
/// <param name="cachedProperties">The enumeration of properties to search for the first property in the property value path.</param>
/// <param name="sourceSegmentIndex">The index in the property value path to start with.</param>
/// <param name="structuredTypeReference">The type of the entry or complex value the <paramref name="cachedProperties"/> enumeration belongs to.</param>
/// <param name="epmValueCache">The EPM value cache to use.</param>
/// <returns>The value of the property (may be null), or null if the property itself was not found due to one of its parent properties being null.</returns>
private object ReadPropertyValue(
EntityPropertyMappingInfo epmInfo,
IEnumerable<ODataProperty> cachedProperties,
int sourceSegmentIndex,
IEdmStructuredTypeReference structuredTypeReference,
EpmValueCache epmValueCache)
{
Debug.Assert(epmInfo != null, "epmInfo != null");
Debug.Assert(epmInfo.PropertyValuePath != null, "The PropertyValuePath should have been initialized by now.");
Debug.Assert(epmInfo.PropertyValuePath.Length > sourceSegmentIndex, "The PropertyValuePath must be at least as long as the source segment index.");
Debug.Assert(structuredTypeReference != null, "structuredTypeReference != null");
Debug.Assert(epmValueCache != null, "epmValueCache != null");
EpmSourcePathSegment sourceSegment = epmInfo.PropertyValuePath[sourceSegmentIndex];
string propertyName = sourceSegment.PropertyName;
bool lastSegment = epmInfo.PropertyValuePath.Length == sourceSegmentIndex + 1;
IEdmStructuredType structuredType = structuredTypeReference.StructuredDefinition();
IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(propertyName, structuredType);
if (edmProperty != null)
{
// If this is the last part of the path, then it has to be a primitive or atomic collection type otherwise should be a complex type
if (lastSegment)
{
if (!edmProperty.Type.IsODataPrimitiveTypeKind() && !edmProperty.Type.IsNonEntityODataCollectionTypeKind())
{
throw new ODataException(o.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
}
else
{
if (edmProperty.Type.TypeKind() != EdmTypeKind.Complex)
{
throw new ODataException(o.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
}
}
else
{
Debug.Assert(
structuredType.IsOpen,
"Only open types can have undeclared properties, otherwise we should have failed in the ValidatePropertyDefined method.");
}
ODataProperty property = cachedProperties == null ? null : cachedProperties.FirstOrDefault(p => p.Name == propertyName);
if (property == null)
{
throw new ODataException(o.Strings.EpmSourceTree_MissingPropertyOnInstance(propertyName, structuredTypeReference.ODataFullName()));
}
object propertyValue = property.Value;
ODataComplexValue propertyComplexValue = propertyValue as ODataComplexValue;
if (lastSegment)
{
if (propertyValue == null)
{
WriterValidationUtils.ValidateNullPropertyValue(edmProperty, this.WriterBehavior, this.atomOutputContext.Model);
}
else
{
// If this property is the last one it has to be either a primitive or collection
if (propertyComplexValue != null)
{
throw new ODataException(o.Strings.EpmSourceTree_EndsWithNonPrimitiveType(propertyName));
}
else
{
ODataCollectionValue propertyCollectionValue = propertyValue as ODataCollectionValue;
if (propertyCollectionValue != null)
{
// Validate the type name for the collection
string typeName = propertyCollectionValue.TypeName;
WriterValidationUtils.ResolveTypeNameForWriting(
this.atomOutputContext.Model,
edmProperty == null ? null : edmProperty.Type,
ref typeName,
EdmTypeKind.Collection,
edmProperty == null);
}
else
{
if (propertyValue is ODataStreamReferenceValue)
{
// Stream properties should not come here, if it were an ODataEntry property it would have been
// filtered in ReadEntryPropertyValue() by "epmValueCache.EntryProperties" call.
throw new ODataException(o.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(propertyName));
}
else if (propertyValue is ISpatial)
{
throw new ODataException(o.Strings.EpmSourceTree_OpenPropertySpatialTypeCannotBeMapped(propertyName, epmInfo.DefiningType.FullName()));
}
else if (edmProperty != null)
{
ValidationUtils.ValidateIsExpectedPrimitiveType(propertyValue, edmProperty.Type);
}
}
}
}
return propertyValue;
}
// Otherwise it's in the middle and thus it must be a complex value
if (propertyComplexValue == null)
{
if (propertyValue != null)
{
// It's not a complex value - fail.
throw new ODataException(o.Strings.EpmSourceTree_TraversalOfNonComplexType(propertyName));
}
else
{
// The value of the property is null, which can be a null complex value
// Note that we must not attempt to resolve the type as if the type name was null here, because
// 1) We don't need the type for anything anyway (the value is null, this is the end)
// 2) If the property is open, trying to resolve a null type name would throw
// but we don't have a null type name, we have a null entire value.
return null;
}
}
string localTypeName = propertyComplexValue.TypeName;
IEdmComplexTypeReference complexValueType = WriterValidationUtils.ResolveTypeNameForWriting(
this.atomOutputContext.Model,
edmProperty == null ? null : edmProperty.Type,
ref localTypeName,
EdmTypeKind.Complex,
edmProperty == null).AsComplexOrNull();
return this.ReadComplexPropertyValue(
epmInfo,
propertyComplexValue,
epmValueCache,
sourceSegmentIndex + 1,
complexValueType);
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmStructuredObject"/> class.
/// </summary>
/// <param name="edmType">The <see cref="IEdmStructuredTypeReference"/> of this object.</param>
protected EdmStructuredObject(IEdmStructuredTypeReference edmType)
: this(edmType.StructuredDefinition(), edmType.IsNullable)
{
}
/// <summary>
/// Binds an end path token into a PropertyAccessToken, OpenPropertyToken, or FunctionCallToken.
/// </summary>
/// <param name="endPathToken">The property access token to bind.</param>
/// <returns>A Query node representing this endpath token, bound to metadata.</returns>
internal QueryNode BindEndPath(EndPathToken endPathToken)
{
ExceptionUtils.CheckArgumentNotNull(endPathToken, "EndPathToken");
ExceptionUtils.CheckArgumentStringNotNullOrEmpty(endPathToken.Identifier, "EndPathToken.Identifier");
// Set the parent (get the parent type, so you can check whether the Identifier inside EndPathToken really is legit offshoot of the parent type)
QueryNode parent = this.DetermineParentNode(endPathToken);
QueryNode boundFunction;
SingleValueNode singleValueParent = parent as SingleValueNode;
if (singleValueParent != null)
{
if (endPathToken.Identifier == ExpressionConstants.QueryOptionCount)
{
return(new CountVirtualPropertyNode());
}
if (state.IsCollapsed && !IsAggregatedProperty(endPathToken))
{
throw new ODataException(ODataErrorStrings.ApplyBinder_GroupByPropertyNotPropertyAccessValue(endPathToken.Identifier));
}
// Now that we have the parent type, can find its corresponding EDM type
IEdmStructuredTypeReference structuredParentType =
singleValueParent.TypeReference == null ? null : singleValueParent.TypeReference.AsStructuredOrNull();
IEdmProperty property =
structuredParentType == null ? null : this.Resolver.ResolveProperty(structuredParentType.StructuredDefinition(), endPathToken.Identifier);
if (property != null)
{
return(GeneratePropertyAccessQueryNode(singleValueParent as SingleResourceNode, property, state));
}
if (functionCallBinder.TryBindEndPathAsFunctionCall(endPathToken, singleValueParent, state, out boundFunction))
{
return(boundFunction);
}
return(GeneratePropertyAccessQueryForOpenType(endPathToken, singleValueParent));
}
// Collection with any or all expression is already supported and handled separately.
// Add support of collection with $count segment.
CollectionNode colNode = parent as CollectionNode;
if (colNode != null && endPathToken.Identifier.Equals(UriQueryConstants.CountSegment, System.StringComparison.Ordinal))
{
// create a collection count node for collection node property.
return(new CountNode(colNode));
}
CollectionNavigationNode collectionParent = parent as CollectionNavigationNode;
if (collectionParent != null)
{
IEdmEntityTypeReference parentType = collectionParent.EntityItemType;
IEdmProperty property = this.Resolver.ResolveProperty(parentType.StructuredDefinition(), endPathToken.Identifier);
if (property.PropertyKind == EdmPropertyKind.Structural &&
!property.Type.IsCollection() &&
this.state.InEntitySetAggregation)
{
return(new AggregatedCollectionPropertyNode(collectionParent, property));
}
}
if (functionCallBinder.TryBindEndPathAsFunctionCall(endPathToken, parent, state, out boundFunction))
{
return(boundFunction);
}
throw new ODataException(ODataErrorStrings.MetadataBinder_PropertyAccessSourceNotSingleValue(endPathToken.Identifier));
}
internal List<ODataProperty> AppendDynamicProperties(object source, IEdmStructuredTypeReference structuredType,
ODataSerializerContext writeContext, List<ODataProperty> declaredProperties,
string[] selectedDynamicProperties)
{
Contract.Assert(source != null);
Contract.Assert(structuredType != null);
Contract.Assert(writeContext != null);
Contract.Assert(writeContext.Model != null);
PropertyInfo dynamicPropertyInfo = EdmLibHelpers.GetDynamicPropertyDictionary(
structuredType.StructuredDefinition(), writeContext.Model);
IEdmStructuredObject structuredObject = source as IEdmStructuredObject;
object value;
IDelta delta = source as IDelta;
if (delta == null)
{
if (dynamicPropertyInfo == null || structuredObject == null ||
!structuredObject.TryGetPropertyValue(dynamicPropertyInfo.Name, out value) || value == null)
{
return null;
}
}
else
{
value = ((EdmStructuredObject)structuredObject).TryGetDynamicProperties();
}
IDictionary<string, object> dynamicPropertyDictionary = (IDictionary<string, object>)value;
// Build a HashSet to store the declared property names.
// It is used to make sure the dynamic property name is different from all declared property names.
HashSet<string> declaredPropertyNameSet = new HashSet<string>(declaredProperties.Select(p => p.Name));
List<ODataProperty> dynamicProperties = new List<ODataProperty>();
IEnumerable<KeyValuePair<string, object>> dynamicPropertiesToSelect =
dynamicPropertyDictionary.Where(
x => !selectedDynamicProperties.Any() || selectedDynamicProperties.Contains(x.Key));
foreach (KeyValuePair<string, object> dynamicProperty in dynamicPropertiesToSelect)
{
if (String.IsNullOrEmpty(dynamicProperty.Key) || dynamicProperty.Value == null)
{
continue; // skip the null object
}
if (declaredPropertyNameSet.Contains(dynamicProperty.Key))
{
throw Error.InvalidOperation(SRResources.DynamicPropertyNameAlreadyUsedAsDeclaredPropertyName,
dynamicProperty.Key, structuredType.FullName());
}
IEdmTypeReference edmTypeReference = writeContext.GetEdmType(dynamicProperty.Value,
dynamicProperty.Value.GetType());
if (edmTypeReference == null)
{
throw Error.NotSupported(SRResources.TypeOfDynamicPropertyNotSupported,
dynamicProperty.Value.GetType().FullName, dynamicProperty.Key);
}
ODataEdmTypeSerializer propertySerializer = SerializerProvider.GetEdmTypeSerializer(edmTypeReference);
if (propertySerializer == null)
{
throw Error.NotSupported(SRResources.DynamicPropertyCannotBeSerialized, dynamicProperty.Key,
edmTypeReference.FullName());
}
dynamicProperties.Add(propertySerializer.CreateProperty(
dynamicProperty.Value, edmTypeReference, dynamicProperty.Key, writeContext));
}
return dynamicProperties;
}
/// <summary>
/// Deserializes the given <paramref name="resourceSet"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="resourceSet">The resource set to deserialize.</param>
/// <param name="readContext">The deserializer context.</param>
/// <param name="elementType">The element type of the resource set being read.</param>
/// <returns>The deserialized resource set object.</returns>
public virtual IEnumerable ReadResourceSet(ODataResourceSetWrapper resourceSet, IEdmStructuredTypeReference elementType, ODataDeserializerContext readContext)
{
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(elementType);
if (deserializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeDeserialized, elementType.FullName(), typeof(ODataInputFormatter).Name));
}
foreach (ODataResourceWrapper resourceWrapper in resourceSet.Resources)
{
yield return(deserializer.ReadInline(resourceWrapper, elementType, readContext));
}
}
public EdmRecordExpression(IEdmStructuredTypeReference declaredType, IEnumerable <IEdmPropertyConstructor> properties)
{
EdmUtil.CheckArgumentNull <IEnumerable <IEdmPropertyConstructor> >(properties, "properties");
this.declaredType = declaredType;
this.properties = properties;
}
internal static void ApplyProperty(ODataProperty property, IEdmStructuredTypeReference resourceType, object resource, ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext)
{
IEdmProperty edmProperty = resourceType.FindProperty(property.Name);
string propertyName = property.Name;
IEdmTypeReference propertyType = edmProperty != null ? edmProperty.Type : null; // open properties have null values
bool isDelta = readContext.IsPatchMode && resourceType.IsEntity();
if (isDelta && resourceType.AsEntity().Key().Select(key => key.Name).Contains(propertyName))
{
// we are patching a key property.
if (readContext.PatchKeyMode == PatchKeyMode.Ignore)
{
return;
}
else if (readContext.PatchKeyMode == PatchKeyMode.Throw)
{
throw Error.InvalidOperation(SRResources.CannotPatchKeyProperty, propertyName, resourceType.FullName(), typeof(PatchKeyMode).Name, PatchKeyMode.Throw);
}
}
EdmTypeKind propertyKind;
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext, out propertyKind);
if (propertyKind == EdmTypeKind.Primitive)
{
value = ConvertPrimitiveValue(value, GetPropertyType(resource, propertyName, isDelta), propertyName, resource.GetType().FullName);
}
SetProperty(resource, propertyName, isDelta, value);
}
/// <summary>
/// Creates an expression to access a property.
/// </summary>
/// <param name="source">The source expression which evaluates to the instance to access the property on.</param>
/// <param name="sourceStructuredType">The type of the source expression.</param>
/// <param name="property">The property to access.</param>
/// <returns>An expression which evaluates to the property value.</returns>
private Expression CreatePropertyAccessExpression(Expression source, IEdmStructuredTypeReference sourceStructuredType, IEdmProperty property)
{
Debug.Assert(source != null, "source != null");
Debug.Assert(sourceStructuredType != null, "sourceStructuredType != null");
Debug.Assert(property != null, "property != null");
Debug.Assert(TypeUtils.AreTypesEquivalent(source.Type, sourceStructuredType.GetInstanceType(this.model)), "source.Type != sourceStructuredType.GetInstanceType()");
#if DEBUG
Debug.Assert(sourceStructuredType.ContainsProperty(property), "property is not declared on sourceStructuredType");
#endif
// TODO: Deal with null propagation???
if (property.GetCanReflectOnInstanceTypeProperty(this.model))
{
return Expression.Property(source, sourceStructuredType.GetPropertyInfo(property, this.model));
}
else
{
// TODO: Support for untyped and open properties
throw new NotImplementedException();
}
}
/// <summary>
/// Walk the JSON body and format top level instance annotations (more complex annotations are unsupported)
/// and change types that would be deserialized incorrectly by OData V4 formatters to types that will be deserialized correctly.
/// </summary>
/// <param name="node">JToken root or child of JSON request body</param>
/// <param name="edmType">Corresponding edm type</param>
public static void WalkTranslate(this JToken node, IEdmTypeReference edmType)
{
if (node == null)
{
return;
}
if (node.Type == JTokenType.Object)
{
JObject obj = (JObject)node;
IEdmStructuredTypeReference structuredType = edmType.AsStructured();
foreach (JProperty child in node.Children <JProperty>().ToList())
{
IEdmProperty property = structuredType.FindProperty(child.Name);
// Convert instance annotations to V3 format
if (child.Name == "odata.type")
{
obj["@odata.type"] = "#" + obj["odata.type"];
obj.Remove("odata.type");
}
else if (child.Name.Contains("@odata"))
{
obj[child.Name] = "#" + obj[child.Name];
}
else if (property != null &&
property.Type.TypeKind() == EdmTypeKind.Primitive &&
((IEdmPrimitiveType)property.Type.Definition).PrimitiveKind == EdmPrimitiveTypeKind.Int64)
{
// Convert long type to unquoted when deserializing
obj[child.Name] = Convert.ToInt64(obj[child.Name]);
}
else if (property != null)
{
// If type is not IEdmStructuredTypeReference or IEdmCollectionTypeReference, then won't need to convert.
if (property.Type.TypeKind() == EdmTypeKind.Collection)
{
// Translate collection types
WalkTranslate(child.Value, property.Type as IEdmCollectionTypeReference);
}
else
{
// Continue to translate deeper nested entities
WalkTranslate(child.Value, property.Type as IEdmStructuredTypeReference);
}
}
}
}
else if (node.Type == JTokenType.Array)
{
JArray items = (JArray)node;
IEdmCollectionTypeReference collectionType = (IEdmCollectionTypeReference)edmType;
IEdmTypeReference elementType = collectionType.Definition.AsElementType().ToEdmTypeReference();
if (elementType != null)
{
for (int i = 0; i < items.Count; i++)
{
if (elementType.IsComplex() || elementType.IsEntity() || elementType.IsCollection())
{
// Continue to translate deeper nested entities
items[i].WalkTranslate(elementType);
}
else
{
// Do translation of V3 formatted types to V4 formatted types at the collection level
if (items[i].Type == JTokenType.String && elementType.IsInt64())
{
items[i] = new JValue(Convert.ToInt64(items[i].ToString()));
}
}
}
}
}
}
private static IEdmStructuredObject AsEdmResourceObject(object resourceInstance, IEdmStructuredTypeReference structuredType, IEdmModel model)
{
if (structuredType == null)
{
throw Error.ArgumentNull("structuredType");
}
IEdmStructuredObject edmStructuredObject = resourceInstance as IEdmStructuredObject;
if (edmStructuredObject != null)
{
return(edmStructuredObject);
}
if (structuredType.IsEntity())
{
return(new TypedEdmEntityObject(resourceInstance, structuredType.AsEntity(), model));
}
Contract.Assert(structuredType.IsComplex());
return(new TypedEdmComplexObject(resourceInstance, structuredType.AsComplex(), model));
}
/// <summary>
/// Deserializes the nested property from <paramref name="resourceInfoWrapper"/> into <paramref name="resource"/>.
/// </summary>
/// <param name="resource">The object into which the nested property should be read.</param>
/// <param name="resourceInfoWrapper">The nested resource info.</param>
/// <param name="structuredType">The type of the resource.</param>
/// <param name="readContext">The deserializer context.</param>
public virtual void ApplyNestedProperty(object resource, ODataNestedResourceInfoWrapper resourceInfoWrapper,
IEdmStructuredTypeReference structuredType, ODataDeserializerContext readContext)
{
if (resource == null)
{
throw new ArgumentNullException(nameof(resource));
}
if (resourceInfoWrapper == null)
{
throw new ArgumentNullException(nameof(resourceInfoWrapper));
}
IEdmProperty edmProperty = structuredType.FindProperty(resourceInfoWrapper.NestedResourceInfo.Name);
if (edmProperty == null)
{
if (!structuredType.IsOpen())
{
throw new ODataException(
Error.Format(SRResources.NestedPropertyNotfound, resourceInfoWrapper.NestedResourceInfo.Name,
structuredType.FullName()));
}
}
if (resourceInfoWrapper.NestedResourceSet != null)
{
// It's nested resource set.
// So far, delta resource set is not supported yet.
ODataResourceSetWrapper resourceSetWrapper = resourceInfoWrapper.NestedResourceSet as ODataResourceSetWrapper;
if (resourceSetWrapper != null)
{
if (edmProperty == null)
{
ApplyDynamicResourceSetInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name,
resource, structuredType, resourceSetWrapper, readContext);
}
else
{
ApplyResourceSetInNestedProperty(edmProperty, resource, resourceSetWrapper, readContext);
}
}
}
else if (resourceInfoWrapper.NestedLinks == null)
{
// it's a nested resource, TODO, how to get rid of this logic?
if (resourceInfoWrapper.NestedResource == null)
{
if (edmProperty == null)
{
// for the dynamic, OData.net has a bug. see https://github.com/OData/odata.net/issues/977
ApplyDynamicResourceInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name, resource, structuredType, null, readContext);
}
else
{
ApplyResourceInNestedProperty(edmProperty, resource, null, readContext);
}
}
else
{
// It must be resource by now. deleted resource is not supported yet.
ODataResourceWrapper resourceWrapper = resourceInfoWrapper.NestedResource as ODataResourceWrapper;
if (resourceWrapper != null)
{
if (edmProperty == null)
{
ApplyDynamicResourceInNestedProperty(resourceInfoWrapper.NestedResourceInfo.Name, resource,
structuredType, resourceWrapper, readContext);
}
else
{
ApplyResourceInNestedProperty(edmProperty, resource, resourceWrapper, readContext);
}
}
}
}
else
{
// it's a nested reference link(s), ignore entity reference links.
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceContext"/> class.
/// </summary>
/// <param name="serializerContext">The backing <see cref="ODataSerializerContext"/>.</param>
/// <param name="structuredType">The EDM structured type of this instance context.</param>
/// <param name="resourceInstance">The object representing the instance of this context.</param>
public ResourceContext(ODataSerializerContext serializerContext, IEdmStructuredTypeReference structuredType, object resourceInstance)
: this(serializerContext, structuredType, AsEdmResourceObject(resourceInstance, structuredType, serializerContext.Model))
{
}
private static bool AssertOrMatchStructuredType(IEdmStructuredTypeReference structuredTargetType, IEdmStructuredValue structuredValue, bool testPropertyTypes, List <IEdmPropertyValue> newProperties)
{
// If the value has a nominal type, the target type must be derived from the nominal type for a type match to be possible.
IEdmTypeReference operandType = structuredValue.Type;
if (operandType != null && !structuredTargetType.StructuredDefinition().InheritsFrom(operandType.AsStructured().StructuredDefinition()))
{
return(false);
}
HashSetInternal <IEdmPropertyValue> visitedProperties = new HashSetInternal <IEdmPropertyValue>();
foreach (IEdmProperty property in structuredTargetType.StructuralProperties())
{
IEdmPropertyValue propertyValue = structuredValue.FindPropertyValue(property.Name);
if (propertyValue == null)
{
return(false);
}
visitedProperties.Add(propertyValue);
if (testPropertyTypes)
{
if (newProperties != null)
{
newProperties.Add(new EdmPropertyValue(propertyValue.Name, Cast(property.Type, propertyValue.Value)));
}
else if (!MatchesType(property.Type, propertyValue.Value))
{
return(false);
}
}
}
if (structuredTargetType.IsEntity())
{
foreach (IEdmNavigationProperty property in structuredTargetType.AsEntity().NavigationProperties())
{
IEdmPropertyValue propertyValue = structuredValue.FindPropertyValue(property.Name);
if (propertyValue == null)
{
return(false);
}
// Make a superficial test of the navigation property value--check that it has a valid set of properties,
// but don't test their types.
if (testPropertyTypes && !MatchesType(property.Type, propertyValue.Value, false))
{
return(false);
}
visitedProperties.Add(propertyValue);
if (newProperties != null)
{
newProperties.Add(propertyValue);
}
}
}
//// Allow property values not mentioned in the target type, whether or not the target type is open.
if (newProperties != null)
{
foreach (IEdmPropertyValue propertyValue in structuredValue.PropertyValues)
{
if (!visitedProperties.Contains(propertyValue))
{
newProperties.Add(propertyValue);
}
}
}
return(true);
}
public TestEdmStructuredObject(IEdmStructuredTypeReference edmType)
: base(edmType)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="EdmStructuredObject"/> class.
/// </summary>
/// <param name="edmType">The <see cref="IEdmStructuredTypeReference"/> of this object.</param>
/// <param name="assembliesResolver">Assembly names to use for type resolution</param>
protected EdmStructuredObject(IEdmStructuredTypeReference edmType, AssembliesResolver assembliesResolver)
: this(edmType.StructuredDefinition(), assembliesResolver, edmType.IsNullable)
{
}
