/// <summary>
/// Gets the property info for the EDM property declared on this type.
/// </summary>
/// <param name="structuredType">The structured type to get the property on.</param>
/// <param name="property">Property instance to get the property info for.</param>
/// <param name="model">The model containing annotations.</param>
/// <returns>Returns the PropertyInfo object for the specified EDM property.</returns>
internal PropertyInfo GetPropertyInfo(IEdmStructuredType structuredType, IEdmProperty property, IEdmModel model)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(structuredType != null, "structuredType != null");
Debug.Assert(property != null, "property != null");
Debug.Assert(model != null, "model != null");
Debug.Assert(property.GetCanReflectOnInstanceTypeProperty(model), "property.CanReflectOnInstanceTypeProperty()");
#if DEBUG
Debug.Assert(structuredType.ContainsProperty(property), "The structuredType does not define the specified property.");
#endif
if (this.propertyInfosDeclaredOnThisType == null)
{
this.propertyInfosDeclaredOnThisType = new Dictionary<IEdmProperty, PropertyInfo>(ReferenceEqualityComparer<IEdmProperty>.Instance);
}
PropertyInfo propertyInfo;
if (!this.propertyInfosDeclaredOnThisType.TryGetValue(property, out propertyInfo))
{
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
propertyInfo = structuredType.GetInstanceType(model).GetProperty(property.Name, bindingFlags);
if (propertyInfo == null)
{
throw new ODataException(Strings.PropertyInfoTypeAnnotation_CannotFindProperty(structuredType.ODataFullName(), structuredType.GetInstanceType(model), property.Name));
}
this.propertyInfosDeclaredOnThisType.Add(property, propertyInfo);
}
Debug.Assert(propertyInfo != null, "propertyInfo != null");
return propertyInfo;
}
internal static void SetDeclaredProperty(object resource, EdmTypeKind propertyKind, string propertyName,
object propertyValue, IEdmProperty edmProperty, ODataDeserializerContext readContext)
{
if (propertyKind == EdmTypeKind.Collection)
{
SetCollectionProperty(resource, edmProperty, propertyValue, propertyName);
}
else
{
if (!readContext.IsUntyped)
{
if (propertyKind == EdmTypeKind.Primitive)
{
propertyValue = EdmPrimitiveHelpers.ConvertPrimitiveValue(propertyValue,
GetPropertyType(resource, propertyName));
}
else if (propertyKind == EdmTypeKind.Enum)
{
propertyValue = EnumDeserializationHelpers.ConvertEnumValue(propertyValue,
GetPropertyType(resource, propertyName));
}
}
SetProperty(resource, propertyName, propertyValue);
}
}
public EdmPropertyReferenceExpression(IEdmExpression baseExpression, IEdmProperty referencedProperty)
{
EdmUtil.CheckArgumentNull<IEdmExpression>(baseExpression, "baseExpression");
EdmUtil.CheckArgumentNull<IEdmProperty>(referencedProperty, "referencedPropert");
this.baseExpression = baseExpression;
this.referencedProperty = referencedProperty;
}
public static IQueryable OrderByProperty(IQueryable query, IEdmModel model, IEdmProperty property, OrderByDirection direction, Type type, bool alreadyOrdered = false)
{
// property aliasing
string propertyName = EdmLibHelpers.GetClrPropertyName(property, model);
LambdaExpression orderByLambda = GetPropertyAccessLambda(type, propertyName);
return OrderBy(query, orderByLambda, direction, type, alreadyOrdered);
}
public EdmPropertyValueBinding(IEdmProperty boundProperty, IEdmExpression value)
{
EdmUtil.CheckArgumentNull<IEdmProperty>(boundProperty, "boundProperty");
EdmUtil.CheckArgumentNull<IEdmExpression>(value, "value");
this.boundProperty = boundProperty;
this.@value = value;
}
/// <summary>
/// Generates a bound query node representing an <see cref="IEdmProperty"/> given an already semantically bound parent node.
/// </summary>
/// <param name="parentNode">The semantically bound source node of this end path token</param>
/// <param name="property">The <see cref="IEdmProperty"/> that will be bound to this node. Must not be primitive collection</param>
/// <returns>QueryNode bound to this property.</returns>
internal static QueryNode GeneratePropertyAccessQueryNode(SingleValueNode parentNode, IEdmProperty property)
{
ExceptionUtils.CheckArgumentNotNull(parentNode, "parent");
ExceptionUtils.CheckArgumentNotNull(property, "property");
// TODO: Remove this check.
// We should verify that the top level of an expression is a bool rather than arbitrarily restrict property types.
// We can get here if there is a query like $filter=MyCollectionProperty eq 'foo' or something.
// If it was $filter=MyCollectionProperty/any(...) then we would have gone down the 'NonRootSegment' code path instead of this one
if (property.Type.IsNonEntityCollectionType())
{
// if this happens to be a top level node (i.e. $filter=MyCollection), then it will fail further up the chain, so
// don't need to worry about checking for that here.
return new CollectionPropertyAccessNode(parentNode, property);
}
if (property.PropertyKind == EdmPropertyKind.Navigation)
{
// These are error cases in practice, but we let ourselves throw later for better context-sensitive error messages
var edmNavigationProperty = (IEdmNavigationProperty)property;
var singleEntityParentNode = (SingleEntityNode)parentNode;
if (edmNavigationProperty.TargetMultiplicity() == EdmMultiplicity.Many)
{
return new CollectionNavigationNode(edmNavigationProperty, singleEntityParentNode);
}
return new SingleNavigationNode(edmNavigationProperty, singleEntityParentNode);
}
return new SingleValuePropertyAccessNode(parentNode, property);
}
/// <summary>
/// Gets the reader behavior for null property value on the specified property.
/// </summary>
/// <param name="model">The model containing the annotation.</param>
/// <param name="property">The property to check.</param>
/// <returns>The behavior to use when reading null value for this property.</returns>
public static ODataNullValueBehaviorKind NullValueReadBehaviorKind(this IEdmModel model, IEdmProperty property)
{
ExceptionUtils.CheckArgumentNotNull(model, "model");
ExceptionUtils.CheckArgumentNotNull(property, "property");
ODataEdmPropertyAnnotation annotation = model.GetAnnotationValue<ODataEdmPropertyAnnotation>(property);
return annotation == null ? ODataNullValueBehaviorKind.Default : annotation.NullValueReadBehaviorKind;
}
/// <summary>
/// Initializes a new instance of the <see cref="OrderByPropertyNode"/> class.
/// </summary>
/// <param name="property">The <see cref="IEdmProperty"/> for this node.</param>
/// <param name="direction">The <see cref="OrderByDirection"/> for this node.</param>
public OrderByPropertyNode(IEdmProperty property, OrderByDirection direction)
: base(direction)
{
if (property == null)
{
throw Error.ArgumentNull("property");
}
Property = property;
}
/// <summary>
/// Initializes a new instance of the <see cref="PropertyAccessPathSegment" /> class.
/// </summary>
/// <param name="property">The property being accessed by this segment.</param>
public PropertyAccessPathSegment(IEdmProperty property)
{
if (property == null)
{
throw Error.ArgumentNull("property");
}
Property = property;
PropertyName = property.Name;
}
/// <summary>
/// Initializes a new instance of the <see cref="PropertyAccessPathSegment" /> class.
/// </summary>
/// <param name="previous">The previous segment in the path.</param>
/// <param name="property">The property being accessed by this segment.</param>
public PropertyAccessPathSegment(ODataPathSegment previous, IEdmProperty property)
: base(previous)
{
if (property == null)
{
throw Error.ArgumentNull("property");
}
EdmType = property.Type.Definition;
Property = property;
}
/// <summary>
/// Adds the <paramref name="property"/> to this type.
/// <see cref="IEdmProperty.DeclaringType"/> of the <paramref name="property"/> must be this type.
/// </summary>
/// <param name="property">The property being added.</param>
public void AddProperty(IEdmProperty property)
{
EdmUtil.CheckArgumentNull(property, "property");
if (!Object.ReferenceEquals(this, property.DeclaringType))
{
throw new InvalidOperationException(Edm.Strings.EdmModel_Validator_Semantic_DeclaringTypeMustBeCorrect(property.Name));
}
this.declaredProperties.Add(property);
this.propertiesDictionary.Clear(null);
}
public static void SetISOCurrencyMeasuresAnnotation(this EdmModel model, IEdmProperty property, string isoCurrency)
{
if (model == null) throw new ArgumentNullException("model");
if (property == null) throw new ArgumentNullException("property");
var target = property;
var term = ISOCurrencyTerm;
var expression = new EdmStringConstant(isoCurrency);
var annotation = new EdmAnnotation(target, term, expression);
annotation.SetSerializationLocation(model, property.ToSerializationLocation());
model.AddVocabularyAnnotation(annotation);
}
public static void SetScaleMeasuresAnnotation(this EdmModel model, IEdmProperty property, byte scale)
{
if (model == null) throw new ArgumentNullException("model");
if (property == null) throw new ArgumentNullException("property");
var target = property;
var term = ScaleTerm;
var expression = new EdmIntegerConstant(scale);
var annotation = new EdmAnnotation(target, term, expression);
annotation.SetSerializationLocation(model, property.ToSerializationLocation());
model.AddVocabularyAnnotation(annotation);
}
public static void SetComputedAnnotation(EdmModel model, IEdmProperty target)
{
EdmUtil.CheckArgumentNull(model, "model");
EdmUtil.CheckArgumentNull(target, "target");
IEdmBooleanConstantExpression val = new EdmBooleanConstant(true);
IEdmValueTerm term = CoreVocabularyModel.ComputedTerm;
Debug.Assert(term != null, "term!=null");
EdmAnnotation annotation = new EdmAnnotation(target, term, val);
annotation.SetSerializationLocation(model, EdmVocabularyAnnotationSerializationLocation.Inline);
model.SetVocabularyAnnotation(annotation);
}
/// <summary>
/// Gets the property info for the EDM property on the specified type.
/// </summary>
/// <param name="typeReference">The type to get the property on.</param>
/// <param name="property">Property instance to get the property info for.</param>
/// <param name="model">Model containing annotations.</param>
/// <returns>Returns the PropertyInfo object for the specified property.</returns>
/// <remarks>The method searches this type as well as all its base types for the property.</remarks>
internal static PropertyInfo GetPropertyInfo(this IEdmStructuredTypeReference typeReference, IEdmProperty property, IEdmModel model)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(typeReference != null, "typeReference != null");
Debug.Assert(property != null, "property != null");
Debug.Assert(model != null, "model != null");
Debug.Assert(property.GetCanReflectOnInstanceTypeProperty(model), "property.CanReflectOnInstanceTypeProperty()");
#if DEBUG
Debug.Assert(typeReference.ContainsProperty(property), "The typeReference does not define the specified property.");
#endif
IEdmStructuredType structuredType = typeReference.StructuredDefinition();
return PropertyInfoTypeAnnotation.GetPropertyInfoTypeAnnotation(structuredType, model).GetPropertyInfo(structuredType, property, model);
}
internal static void SetCollectionProperty(object resource, IEdmProperty edmProperty, object value)
{
Contract.Assert(edmProperty != null);
if (value != null)
{
string propertyName = edmProperty.Name;
IEnumerable collection = value as IEnumerable;
Contract.Assert(collection != null,
"SetCollectionProperty is always passed the result of ODataFeedDeserializer or ODataCollectionDeserializer");
Type resourceType = resource.GetType();
Type propertyType = GetPropertyType(resource, propertyName);
Type elementType;
if (!propertyType.IsCollection(out elementType))
{
string message = Error.Format(SRResources.PropertyIsNotCollection, propertyType.FullName, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
IEnumerable newCollection;
if (CanSetProperty(resource, propertyName) &&
CollectionDeserializationHelpers.TryCreateInstance(propertyType, edmProperty.Type.AsCollection(), elementType, out newCollection))
{
// settable collections
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType);
if (propertyType.IsArray)
{
newCollection = CollectionDeserializationHelpers.ToArray(newCollection, elementType);
}
SetProperty(resource, propertyName, newCollection);
}
else
{
// get-only collections.
newCollection = GetProperty(resource, propertyName) as IEnumerable;
if (newCollection == null)
{
string message = Error.Format(SRResources.CannotAddToNullCollection, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType);
}
}
}
private PropertyInfo GetPropertyInfo(IEdmProperty property)
{
ClrPropertyInfoAnnotation clrPropertyAnnotation = _model.GetAnnotationValue<ClrPropertyInfoAnnotation>(property);
if (clrPropertyAnnotation != null)
{
return clrPropertyAnnotation.ClrPropertyInfo;
}
ClrTypeAnnotation clrTypeAnnotation = _model.GetAnnotationValue<ClrTypeAnnotation>(property.DeclaringType);
Contract.Assert(clrTypeAnnotation != null);
PropertyInfo info = clrTypeAnnotation.ClrType.GetProperty(property.Name);
Contract.Assert(info != null);
return info;
}
/// <summary>
/// Validates a stream reference property.
/// </summary>
/// <param name="streamProperty">The stream property to check.</param>
/// <param name="structuredType">The owning type of the stream property or null if no metadata is available.</param>
/// <param name="streamEdmProperty">The stream property defined by the model.</param>
/// <param name="messageReaderSettings">The message reader settings being used.</param>
internal static void ValidateStreamReferenceProperty(ODataProperty streamProperty, IEdmStructuredType structuredType, IEdmProperty streamEdmProperty, ODataMessageReaderSettings messageReaderSettings)
{
Debug.Assert(streamProperty != null, "streamProperty != null");
ValidationUtils.ValidateStreamReferenceProperty(streamProperty, streamEdmProperty);
if (structuredType != null && structuredType.IsOpen)
{
// If no property match was found in the metadata and an error wasn't raised,
// it is an open property (which is not supported for streams).
if (streamEdmProperty == null && !messageReaderSettings.ReportUndeclaredLinkProperties)
{
// Fails with the correct error message.
ValidationUtils.ValidateOpenPropertyValue(streamProperty.Name, streamProperty.Value);
}
}
}
/// <summary>
/// Validates a stream reference property.
/// </summary>
/// <param name="streamProperty">The stream property to check.</param>
/// <param name="structuredType">The owning type of the stream property or null if no metadata is available.</param>
/// <param name="streamEdmProperty">The stream property defined by the model.</param>
internal static void ValidateStreamReferenceProperty(ODataProperty streamProperty, IEdmStructuredType structuredType, IEdmProperty streamEdmProperty)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(streamProperty != null, "streamProperty != null");
ValidationUtils.ValidateStreamReferenceProperty(streamProperty, streamEdmProperty);
if (structuredType != null && structuredType.IsOpen)
{
// If no property match was found in the metadata and an error wasn't raised,
// it is an open property (which is not supported for streams).
if (streamEdmProperty == null)
{
// Fails with the correct error message.
ValidationUtils.ValidateOpenPropertyValue(streamProperty.Name, streamProperty.Value);
}
}
}
/// <summary>
/// Adds a transient annotation to indicate how null values for the specified property should be read.
/// </summary>
/// <param name="model">The <see cref="IEdmModel"/> containing the annotations.</param>
/// <param name="property">The <see cref="IEdmProperty"/> to modify.</param>
/// <param name="nullValueReadBehaviorKind">The new behavior for reading null values for this property.</param>
public static void SetNullValueReaderBehavior(this IEdmModel model, IEdmProperty property, ODataNullValueBehaviorKind nullValueReadBehaviorKind)
{
ExceptionUtils.CheckArgumentNotNull(model, "model");
ExceptionUtils.CheckArgumentNotNull(property, "property");
ODataEdmPropertyAnnotation annotation = model.GetAnnotationValue<ODataEdmPropertyAnnotation>(property);
if (annotation == null)
{
if (nullValueReadBehaviorKind != ODataNullValueBehaviorKind.Default)
{
annotation = new ODataEdmPropertyAnnotation
{
NullValueReadBehaviorKind = nullValueReadBehaviorKind
};
model.SetAnnotationValue(property, annotation);
}
}
else
{
annotation.NullValueReadBehaviorKind = nullValueReadBehaviorKind;
}
}
internal ClientPropertyAnnotation(IEdmProperty edmProperty, PropertyInfo propertyInfo, DataServiceProtocolVersion maxProtocolVersion)
{
ParameterExpression expression;
ParameterExpression expression2;
this.EdmProperty = edmProperty;
this.PropertyName = propertyInfo.Name;
this.NullablePropertyType = propertyInfo.PropertyType;
this.PropertyType = Nullable.GetUnderlyingType(this.NullablePropertyType) ?? this.NullablePropertyType;
this.DeclaringClrType = propertyInfo.DeclaringType;
MethodInfo getMethod = propertyInfo.GetGetMethod();
MethodInfo setMethod = propertyInfo.GetSetMethod();
this.propertyGetter = (getMethod == null) ? null : ((Func<object, object>) Expression.Lambda(Expression.Convert(Expression.Call(Expression.Convert(expression = Expression.Parameter(typeof(object), "instance"), this.DeclaringClrType), getMethod), typeof(object)), new ParameterExpression[] { expression }).Compile());
this.propertySetter = (setMethod == null) ? null : ((Action<object, object>) Expression.Lambda(Expression.Call(Expression.Convert(expression, this.DeclaringClrType), setMethod, new Expression[] { Expression.Convert(expression2 = Expression.Parameter(typeof(object), "value"), this.NullablePropertyType) }), new ParameterExpression[] { expression, expression2 }).Compile());
this.MaxProtocolVersion = maxProtocolVersion;
this.IsKnownType = PrimitiveType.IsKnownType(this.PropertyType);
if (!this.IsKnownType)
{
MethodInfo method = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(IDictionary<,>), "set_Item", out this.DictionaryValueType);
if (method != null)
{
ParameterExpression expression3;
this.dictionarySetter = (Action<object, string, object>) Expression.Lambda(Expression.Call(Expression.Convert(expression, typeof(IDictionary<,>).MakeGenericType(new Type[] { typeof(string), this.DictionaryValueType })), method, expression3 = Expression.Parameter(typeof(string), "propertyName"), Expression.Convert(expression2, this.DictionaryValueType)), new ParameterExpression[] { expression, expression3, expression2 }).Compile();
}
else
{
MethodInfo info4 = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(ICollection<>), "Contains", out this.collectionGenericType);
MethodInfo addToCollectionMethod = ClientTypeUtil.GetAddToCollectionMethod(this.PropertyType, out this.collectionGenericType);
MethodInfo info6 = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(ICollection<>), "Remove", out this.collectionGenericType);
MethodInfo info7 = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(ICollection<>), "Clear", out this.collectionGenericType);
this.collectionContains = (info4 == null) ? null : ((Func<object, object, bool>) Expression.Lambda(Expression.Call(Expression.Convert(expression, this.PropertyType), info4, new Expression[] { Expression.Convert(expression2, this.collectionGenericType) }), new ParameterExpression[] { expression, expression2 }).Compile());
this.collectionAdd = (addToCollectionMethod == null) ? null : ((Action<object, object>) Expression.Lambda(Expression.Call(Expression.Convert(expression, this.PropertyType), addToCollectionMethod, new Expression[] { Expression.Convert(expression2, this.collectionGenericType) }), new ParameterExpression[] { expression, expression2 }).Compile());
this.collectionRemove = (info6 == null) ? null : ((Func<object, object, bool>) Expression.Lambda(Expression.Call(Expression.Convert(expression, this.PropertyType), info6, new Expression[] { Expression.Convert(expression2, this.collectionGenericType) }), new ParameterExpression[] { expression, expression2 }).Compile());
this.collectionClear = (info7 == null) ? null : ((Action<object>) Expression.Lambda(Expression.Call(Expression.Convert(expression, this.PropertyType), info7), new ParameterExpression[] { expression }).Compile());
}
}
}
/// <summary>
/// Gets the property and structured type from <see cref="ODataPath"/>.
/// TODO: The logic implenetation is not good and do need refactor it later.
/// </summary>
/// <param name="path">The OData path.</param>
/// <returns>The property, structured type and the name.</returns>
internal static (IEdmProperty, IEdmStructuredType, string) GetPropertyAndStructuredTypeFromPath(this ODataPath path)
{
if (path == null)
{
return(null, null, string.Empty);
}
IEdmStructuredType structuredType = null;
string typeCast = string.Empty;
IEnumerable <ODataPathSegment> reverseSegments = path.Reverse();
foreach (var segment in reverseSegments)
{
if (segment is NavigationPropertySegment navigationPathSegment)
{
IEdmProperty property = navigationPathSegment.NavigationProperty;
if (structuredType == null)
{
structuredType = navigationPathSegment.NavigationProperty.ToEntityType();
}
string name = navigationPathSegment.NavigationProperty.Name + typeCast;
return(property, structuredType, name);
}
if (segment is OperationSegment operationSegment)
{
if (structuredType == null)
{
structuredType = operationSegment.EdmType as IEdmStructuredType;
}
string name = operationSegment.Operations.First().FullName() + typeCast;
return(null, structuredType, name);
}
if (segment is PropertySegment propertyAccessPathSegment)
{
IEdmProperty property = propertyAccessPathSegment.Property;
if (structuredType == null)
{
structuredType = property.Type.GetElementType() as IEdmStructuredType;
}
string name = property.Name + typeCast;
return(property, structuredType, name);
}
if (segment is EntitySetSegment entitySetSegment)
{
if (structuredType == null)
{
structuredType = entitySetSegment.EntitySet.EntityType();
}
string name = entitySetSegment.EntitySet.Name + typeCast;
return(null, structuredType, name);
}
if (segment is SingletonSegment singletonSegment)
{
if (structuredType == null)
{
structuredType = singletonSegment.Singleton.EntityType();
}
string name = singletonSegment.Singleton.Name + typeCast;
return(null, structuredType, name);
}
if (segment is TypeSegment typeSegment)
{
structuredType = typeSegment.EdmType.AsElementType() as IEdmStructuredType;
typeCast = "/" + structuredType;
}
else if (segment is KeySegment || segment is CountSegment)
{
// do nothing, just go to next segment, what about if meet OperationSegment?
}
else
{
// if we meet any other segments, just return (null, null, string.Empty);
break;
}
}
return(null, null, string.Empty);
}
/// <summary>
/// Generate an expand item (and a select item for the implicit nav prop if necessary) based on an ExpandTermToken
/// </summary>
/// <param name="tokenIn">the expandTerm token to visit</param>
/// <returns>the expand item for this expand term token.</returns>
private SelectItem GenerateExpandItem(ExpandTermToken tokenIn)
{
ExceptionUtils.CheckArgumentNotNull(tokenIn, "tokenIn");
// ensure that we're always dealing with proper V4 syntax
if (tokenIn.PathToNavProp.NextToken != null && !tokenIn.PathToNavProp.IsNamespaceOrContainerQualified())
{
if (tokenIn.PathToNavProp.NextToken.Identifier != UriQueryConstants.RefSegment || tokenIn.PathToNavProp.NextToken.NextToken != null)
{
throw new ODataException(ODataErrorStrings.ExpandItemBinder_TraversingMultipleNavPropsInTheSamePath);
}
}
PathSegmentToken currentToken = tokenIn.PathToNavProp;
IEdmStructuredType currentLevelEntityType = this.EdmType;
List <ODataPathSegment> pathSoFar = new List <ODataPathSegment>();
PathSegmentToken firstNonTypeToken = currentToken;
if (currentToken.IsNamespaceOrContainerQualified())
{
pathSoFar.AddRange(SelectExpandPathBinder.FollowTypeSegments(currentToken, this.Model, this.Settings.SelectExpandLimit, this.configuration.Resolver, ref currentLevelEntityType, out firstNonTypeToken));
}
IEdmProperty edmProperty = this.configuration.Resolver.ResolveProperty(currentLevelEntityType, firstNonTypeToken.Identifier);
if (edmProperty == null)
{
throw new ODataException(ODataErrorStrings.MetadataBinder_PropertyNotDeclared(currentLevelEntityType.ODataFullName(), currentToken.Identifier));
}
IEdmNavigationProperty currentNavProp = edmProperty as IEdmNavigationProperty;
if (currentNavProp == null)
{
throw new ODataException(ODataErrorStrings.ExpandItemBinder_PropertyIsNotANavigationProperty(currentToken.Identifier, currentLevelEntityType.ODataFullName()));
}
bool isRef = false;
if (firstNonTypeToken.NextToken != null)
{
// lastly... make sure that, since we're on a NavProp, that the next token isn't null.
if (firstNonTypeToken.NextToken.Identifier == UriQueryConstants.RefSegment)
{
isRef = true;
}
else
{
throw new ODataException(ODataErrorStrings.ExpandItemBinder_TraversingMultipleNavPropsInTheSamePath);
}
}
pathSoFar.Add(new NavigationPropertySegment(currentNavProp, /*entitySet*/ null));
ODataExpandPath pathToNavProp = new ODataExpandPath(pathSoFar);
IEdmNavigationSource targetNavigationSource = null;
if (this.NavigationSource != null)
{
targetNavigationSource = this.NavigationSource.FindNavigationTarget(currentNavProp);
}
// call MetadataBinder to build the filter clause
FilterClause filterOption = null;
if (tokenIn.FilterOption != null)
{
MetadataBinder binder = this.BuildNewMetadataBinder(targetNavigationSource);
FilterBinder filterBinder = new FilterBinder(binder.Bind, binder.BindingState);
filterOption = filterBinder.BindFilter(tokenIn.FilterOption);
}
// call MetadataBinder again to build the orderby clause
OrderByClause orderbyOption = null;
if (tokenIn.OrderByOptions != null)
{
MetadataBinder binder = this.BuildNewMetadataBinder(targetNavigationSource);
OrderByBinder orderByBinder = new OrderByBinder(binder.Bind);
orderbyOption = orderByBinder.BindOrderBy(binder.BindingState, tokenIn.OrderByOptions);
}
SearchClause searchOption = null;
if (tokenIn.SearchOption != null)
{
MetadataBinder binder = this.BuildNewMetadataBinder(targetNavigationSource);
SearchBinder searchBinder = new SearchBinder(binder.Bind);
searchOption = searchBinder.BindSearch(tokenIn.SearchOption);
}
if (isRef)
{
return(new ExpandedReferenceSelectItem(pathToNavProp, targetNavigationSource, filterOption, orderbyOption, tokenIn.TopOption, tokenIn.SkipOption, tokenIn.CountQueryOption, searchOption));
}
SelectExpandClause subSelectExpand;
if (tokenIn.ExpandOption != null)
{
subSelectExpand = this.GenerateSubExpand(currentNavProp, tokenIn);
}
else
{
subSelectExpand = BuildDefaultSubExpand();
}
subSelectExpand = this.DecorateExpandWithSelect(subSelectExpand, currentNavProp, tokenIn.SelectOption);
LevelsClause levelsOption = this.ParseLevels(tokenIn.LevelsOption, currentLevelEntityType, currentNavProp);
return(new ExpandedNavigationSelectItem(pathToNavProp, targetNavigationSource, subSelectExpand, filterOption, orderbyOption, tokenIn.TopOption, tokenIn.SkipOption, tokenIn.CountQueryOption, searchOption, levelsOption));
}
public CustomersModelWithInheritance()
{
EdmModel model = new EdmModel();
// Enum type simpleEnum
EdmEnumType simpleEnum = new EdmEnumType("NS", "SimpleEnum");
simpleEnum.AddMember(new EdmEnumMember(simpleEnum, "First", new EdmEnumMemberValue(0)));
simpleEnum.AddMember(new EdmEnumMember(simpleEnum, "Second", new EdmEnumMemberValue(1)));
simpleEnum.AddMember(new EdmEnumMember(simpleEnum, "Third", new EdmEnumMemberValue(2)));
model.AddElement(simpleEnum);
// complex type address
EdmComplexType address = new EdmComplexType("NS", "Address");
address.AddStructuralProperty("Street", EdmPrimitiveTypeKind.String);
address.AddStructuralProperty("City", EdmPrimitiveTypeKind.String);
address.AddStructuralProperty("State", EdmPrimitiveTypeKind.String);
address.AddStructuralProperty("ZipCode", EdmPrimitiveTypeKind.String);
address.AddStructuralProperty("CountryOrRegion", EdmPrimitiveTypeKind.String);
model.AddElement(address);
// open complex type "Account"
EdmComplexType account = new EdmComplexType("NS", "Account", null, false, true);
account.AddStructuralProperty("Bank", EdmPrimitiveTypeKind.String);
account.AddStructuralProperty("CardNum", EdmPrimitiveTypeKind.Int64);
account.AddStructuralProperty("BankAddress", new EdmComplexTypeReference(address, isNullable: true));
model.AddElement(account);
EdmComplexType specialAccount = new EdmComplexType("NS", "SpecialAccount", account, false, true);
specialAccount.AddStructuralProperty("SpecialCard", EdmPrimitiveTypeKind.String);
model.AddElement(specialAccount);
// entity type customer
EdmEntityType customer = new EdmEntityType("NS", "Customer");
customer.AddKeys(customer.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32));
IEdmProperty customerName = customer.AddStructuralProperty("Name", EdmPrimitiveTypeKind.String);
customer.AddStructuralProperty("SimpleEnum", simpleEnum.ToEdmTypeReference(isNullable: false));
customer.AddStructuralProperty("Address", new EdmComplexTypeReference(address, isNullable: true));
customer.AddStructuralProperty("Account", new EdmComplexTypeReference(account, isNullable: true));
IEdmTypeReference primitiveTypeReference = EdmCoreModel.Instance.GetPrimitive(
EdmPrimitiveTypeKind.String,
isNullable: true);
var city = customer.AddStructuralProperty(
"City",
primitiveTypeReference,
defaultValue: null);
model.AddElement(customer);
// derived entity type special customer
EdmEntityType specialCustomer = new EdmEntityType("NS", "SpecialCustomer", customer);
specialCustomer.AddStructuralProperty("SpecialCustomerProperty", EdmPrimitiveTypeKind.Guid);
specialCustomer.AddStructuralProperty("SpecialAddress", new EdmComplexTypeReference(address, isNullable: true));
model.AddElement(specialCustomer);
// entity type order (open entity type)
EdmEntityType order = new EdmEntityType("NS", "Order", null, false, true);
// EdmEntityType order = new EdmEntityType("NS", "Order");
order.AddKeys(order.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32));
order.AddStructuralProperty("City", EdmPrimitiveTypeKind.String);
order.AddStructuralProperty("Amount", EdmPrimitiveTypeKind.Int32);
model.AddElement(order);
// derived entity type special order
EdmEntityType specialOrder = new EdmEntityType("NS", "SpecialOrder", order, false, true);
specialOrder.AddStructuralProperty("SpecialOrderProperty", EdmPrimitiveTypeKind.Guid);
model.AddElement(specialOrder);
// test entity
EdmEntityType testEntity = new EdmEntityType("Microsoft.Test.AspNet.OData.Query.Expressions", "TestEntity");
testEntity.AddStructuralProperty("SampleProperty", EdmPrimitiveTypeKind.Binary);
model.AddElement(testEntity);
// containment
// my order
EdmEntityType myOrder = new EdmEntityType("NS", "MyOrder");
myOrder.AddKeys(myOrder.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32));
myOrder.AddStructuralProperty("Name", EdmPrimitiveTypeKind.String);
model.AddElement(myOrder);
// order line
EdmEntityType orderLine = new EdmEntityType("NS", "OrderLine");
orderLine.AddKeys(orderLine.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32));
orderLine.AddStructuralProperty("Name", EdmPrimitiveTypeKind.String);
model.AddElement(orderLine);
EdmNavigationProperty orderLinesNavProp = myOrder.AddUnidirectionalNavigation(
new EdmNavigationPropertyInfo
{
Name = "OrderLines",
TargetMultiplicity = EdmMultiplicity.Many,
Target = orderLine,
ContainsTarget = true,
});
EdmNavigationProperty nonContainedOrderLinesNavProp = myOrder.AddUnidirectionalNavigation(
new EdmNavigationPropertyInfo
{
Name = "NonContainedOrderLines",
TargetMultiplicity = EdmMultiplicity.Many,
Target = orderLine,
ContainsTarget = false,
});
EdmAction tag = new EdmAction("NS", "tag", returnType: null, isBound: true, entitySetPathExpression: null);
tag.AddParameter("entity", new EdmEntityTypeReference(orderLine, false));
model.AddElement(tag);
// entity sets
EdmEntityContainer container = new EdmEntityContainer("NS", "ModelWithInheritance");
model.AddElement(container);
EdmEntitySet customers = container.AddEntitySet("Customers", customer);
EdmEntitySet orders = container.AddEntitySet("Orders", order);
EdmEntitySet myOrders = container.AddEntitySet("MyOrders", myOrder);
// singletons
EdmSingleton vipCustomer = container.AddSingleton("VipCustomer", customer);
EdmSingleton mary = container.AddSingleton("Mary", customer);
EdmSingleton rootOrder = container.AddSingleton("RootOrder", order);
// annotations
model.SetOptimisticConcurrencyAnnotation(customers, new[] { city });
// containment
IEdmContainedEntitySet orderLines = (IEdmContainedEntitySet)myOrders.FindNavigationTarget(orderLinesNavProp);
// no-containment
IEdmNavigationSource nonContainedOrderLines = myOrders.FindNavigationTarget(nonContainedOrderLinesNavProp);
// actions
EdmAction upgrade = new EdmAction("NS", "upgrade", returnType: null, isBound: true, entitySetPathExpression: null);
upgrade.AddParameter("entity", new EdmEntityTypeReference(customer, false));
model.AddElement(upgrade);
EdmAction specialUpgrade =
new EdmAction("NS", "specialUpgrade", returnType: null, isBound: true, entitySetPathExpression: null);
specialUpgrade.AddParameter("entity", new EdmEntityTypeReference(specialCustomer, false));
model.AddElement(specialUpgrade);
// actions bound to collection
EdmAction upgradeAll = new EdmAction("NS", "UpgradeAll", returnType: null, isBound: true, entitySetPathExpression: null);
upgradeAll.AddParameter("entityset",
new EdmCollectionTypeReference(new EdmCollectionType(new EdmEntityTypeReference(customer, false))));
model.AddElement(upgradeAll);
EdmAction upgradeSpecialAll = new EdmAction("NS", "UpgradeSpecialAll", returnType: null, isBound: true, entitySetPathExpression: null);
upgradeSpecialAll.AddParameter("entityset",
new EdmCollectionTypeReference(new EdmCollectionType(new EdmEntityTypeReference(specialCustomer, false))));
model.AddElement(upgradeSpecialAll);
// functions
IEdmTypeReference returnType = EdmCoreModel.Instance.GetPrimitive(EdmPrimitiveTypeKind.Boolean, isNullable: false);
IEdmTypeReference stringType = EdmCoreModel.Instance.GetPrimitive(EdmPrimitiveTypeKind.String, isNullable: false);
IEdmTypeReference intType = EdmCoreModel.Instance.GetPrimitive(EdmPrimitiveTypeKind.Int32, isNullable: false);
EdmFunction IsUpgraded = new EdmFunction(
"NS",
"IsUpgraded",
returnType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
IsUpgraded.AddParameter("entity", new EdmEntityTypeReference(customer, false));
model.AddElement(IsUpgraded);
EdmFunction orderByCityAndAmount = new EdmFunction(
"NS",
"OrderByCityAndAmount",
stringType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
orderByCityAndAmount.AddParameter("entity", new EdmEntityTypeReference(customer, false));
orderByCityAndAmount.AddParameter("city", stringType);
orderByCityAndAmount.AddParameter("amount", intType);
model.AddElement(orderByCityAndAmount);
EdmFunction getOrders = new EdmFunction(
"NS",
"GetOrders",
EdmCoreModel.GetCollection(order.ToEdmTypeReference(false)),
isBound: true,
entitySetPathExpression: null,
isComposable: true);
getOrders.AddParameter("entity", new EdmEntityTypeReference(customer, false));
getOrders.AddParameter("parameter", intType);
model.AddElement(getOrders);
EdmFunction IsSpecialUpgraded = new EdmFunction(
"NS",
"IsSpecialUpgraded",
returnType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
IsSpecialUpgraded.AddParameter("entity", new EdmEntityTypeReference(specialCustomer, false));
model.AddElement(IsSpecialUpgraded);
EdmFunction getSalary = new EdmFunction(
"NS",
"GetSalary",
stringType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
getSalary.AddParameter("entity", new EdmEntityTypeReference(customer, false));
model.AddElement(getSalary);
getSalary = new EdmFunction(
"NS",
"GetSalary",
stringType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
getSalary.AddParameter("entity", new EdmEntityTypeReference(specialCustomer, false));
model.AddElement(getSalary);
EdmFunction IsAnyUpgraded = new EdmFunction(
"NS",
"IsAnyUpgraded",
returnType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
EdmCollectionType edmCollectionType = new EdmCollectionType(new EdmEntityTypeReference(customer, false));
IsAnyUpgraded.AddParameter("entityset", new EdmCollectionTypeReference(edmCollectionType));
model.AddElement(IsAnyUpgraded);
EdmFunction isCustomerUpgradedWithParam = new EdmFunction(
"NS",
"IsUpgradedWithParam",
returnType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
isCustomerUpgradedWithParam.AddParameter("entity", new EdmEntityTypeReference(customer, false));
isCustomerUpgradedWithParam.AddParameter("city", EdmCoreModel.Instance.GetPrimitive(EdmPrimitiveTypeKind.String, isNullable: false));
model.AddElement(isCustomerUpgradedWithParam);
EdmFunction isCustomerLocal = new EdmFunction(
"NS",
"IsLocal",
returnType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
isCustomerLocal.AddParameter("entity", new EdmEntityTypeReference(customer, false));
model.AddElement(isCustomerLocal);
EdmFunction entityFunction = new EdmFunction(
"NS",
"GetCustomer",
returnType,
isBound: true,
entitySetPathExpression: null,
isComposable: false);
entityFunction.AddParameter("entity", new EdmEntityTypeReference(customer, false));
entityFunction.AddParameter("customer", new EdmEntityTypeReference(customer, false));
model.AddElement(entityFunction);
EdmFunction getOrder = new EdmFunction(
"NS",
"GetOrder",
order.ToEdmTypeReference(false),
isBound: true,
entitySetPathExpression: null,
isComposable: true); // Composable
getOrder.AddParameter("entity", new EdmEntityTypeReference(customer, false));
getOrder.AddParameter("orderId", intType);
model.AddElement(getOrder);
// functions bound to collection
EdmFunction isAllUpgraded = new EdmFunction("NS", "IsAllUpgraded", returnType, isBound: true,
entitySetPathExpression: null, isComposable: false);
isAllUpgraded.AddParameter("entityset",
new EdmCollectionTypeReference(new EdmCollectionType(new EdmEntityTypeReference(customer, false))));
isAllUpgraded.AddParameter("param", intType);
model.AddElement(isAllUpgraded);
EdmFunction isSpecialAllUpgraded = new EdmFunction("NS", "IsSpecialAllUpgraded", returnType, isBound: true,
entitySetPathExpression: null, isComposable: false);
isSpecialAllUpgraded.AddParameter("entityset",
new EdmCollectionTypeReference(new EdmCollectionType(new EdmEntityTypeReference(specialCustomer, false))));
isSpecialAllUpgraded.AddParameter("param", intType);
model.AddElement(isSpecialAllUpgraded);
// navigation properties
EdmNavigationProperty ordersNavProp = customer.AddUnidirectionalNavigation(
new EdmNavigationPropertyInfo
{
Name = "Orders",
TargetMultiplicity = EdmMultiplicity.Many,
Target = order
});
mary.AddNavigationTarget(ordersNavProp, orders);
vipCustomer.AddNavigationTarget(ordersNavProp, orders);
customers.AddNavigationTarget(ordersNavProp, orders);
orders.AddNavigationTarget(
order.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo
{
Name = "Customer",
TargetMultiplicity = EdmMultiplicity.ZeroOrOne,
Target = customer
}),
customers);
// navigation properties on derived types.
EdmNavigationProperty specialOrdersNavProp = specialCustomer.AddUnidirectionalNavigation(
new EdmNavigationPropertyInfo
{
Name = "SpecialOrders",
TargetMultiplicity = EdmMultiplicity.Many,
Target = order
});
vipCustomer.AddNavigationTarget(specialOrdersNavProp, orders);
customers.AddNavigationTarget(specialOrdersNavProp, orders);
orders.AddNavigationTarget(
specialOrder.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo
{
Name = "SpecialCustomer",
TargetMultiplicity = EdmMultiplicity.ZeroOrOne,
Target = customer
}),
customers);
model.SetAnnotationValue <BindableOperationFinder>(model, new BindableOperationFinder(model));
// set properties
Model = model;
Container = container;
Customer = customer;
Order = order;
Address = address;
Account = account;
SpecialCustomer = specialCustomer;
SpecialOrder = specialOrder;
Orders = orders;
Customers = customers;
VipCustomer = vipCustomer;
Mary = mary;
RootOrder = rootOrder;
OrderLine = orderLine;
OrderLines = orderLines;
NonContainedOrderLines = nonContainedOrderLines;
UpgradeCustomer = upgrade;
UpgradeSpecialCustomer = specialUpgrade;
CustomerName = customerName;
IsCustomerUpgraded = isCustomerUpgradedWithParam;
IsSpecialCustomerUpgraded = IsSpecialUpgraded;
Tag = tag;
}
/// <inheritdoc />
public override bool TryTranslate(ODataTemplateTranslateContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
RouteValueDictionary routeValues = context.RouteValues;
RouteValueDictionary updateValues = context.UpdatedValues;
IDictionary <string, object> keysValues = new Dictionary <string, object>();
foreach (var key in KeyMappings)
{
string keyName = key.Key;
string templateName = key.Value;
if (routeValues.TryGetValue(templateName, out object rawValue))
{
IEdmProperty keyProperty = KeyProperties.FirstOrDefault(k => k.Key == keyName).Value;
Contract.Assert(keyProperty != null);
IEdmTypeReference edmType = keyProperty.Type;
string strValue = rawValue as string;
string newStrValue = context.GetParameterAliasOrSelf(strValue);
if (newStrValue != strValue)
{
updateValues[templateName] = newStrValue;
strValue = newStrValue;
}
// If it's key as segment and the key type is Edm.String, we support non-single quoted string.
// Since we can't identify key as segment and key in parenthesis easy so far,
// we use the key literal with "/" to test in the whole route template.
// Why we can't create two key segment templates, one reason is that in attribute routing template,
// we can't identify key as segment or key in parenthesis also.
if (edmType.IsString() && context.IsPartOfRouteTemplate($"/{_keyLiteral}"))
{
if (!strValue.StartsWith('\'') && !strValue.EndsWith('\''))
{
strValue = $"'{strValue}'"; // prefix and suffix single quote
}
}
object newValue;
try
{
newValue = ODataUriUtils.ConvertFromUriLiteral(strValue, ODataVersion.V4, context.Model, edmType);
}
catch (ODataException ex)
{
string message = Error.Format(SRResources.InvalidKeyInUriFound, strValue, edmType.FullName());
throw new ODataException(message, ex);
}
// for non FromODataUri, so update it, for example, remove the single quote for string value.
updateValues[templateName] = newValue;
// For FromODataUri, let's refactor it later.
string prefixName = ODataParameterValue.ParameterValuePrefix + templateName;
updateValues[prefixName] = new ODataParameterValue(newValue, edmType);
keysValues[keyName] = newValue;
}
}
context.Segments.Add(new KeySegment(keysValues, EntityType, NavigationSource));
return(true);
}
internal Expression CreatePropertyValueExpression(IEdmEntityType elementType, IEdmProperty property, Expression source)
{
Contract.Assert(elementType != null);
Contract.Assert(property != null);
Contract.Assert(source != null);
return(CreatePropertyValueExpressionWithFilter(elementType, property, source, filterClause: null));
}
/// <summary>
/// Reads the content of a properties in an element (complex value, m:properties, ...)
/// </summary>
/// <param name="structuredType">The type which should declare the properties to be read. Optional.</param>
/// <param name="properties">The list of properties to add properties to.</param>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker to use.</param>
/// <remarks>
/// Pre-Condition: XmlNodeType.Element - The element to read properties from.
/// Post-Condition: XmlNodeType.Element - The element to read properties from if it is an empty element.
/// XmlNodeType.EndElement - The end element of the element to read properties from.
/// </remarks>
private void ReadPropertiesImplementation(IEdmStructuredType structuredType, ReadOnlyEnumerable <ODataProperty> properties, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
Debug.Assert(properties != null, "properties != null");
Debug.Assert(duplicatePropertyNamesChecker != null, "duplicatePropertyNamesChecker != null");
this.AssertXmlCondition(XmlNodeType.Element);
// Empty values are valid - they have no properties
if (!this.XmlReader.IsEmptyElement)
{
// Read over the complex value element to its first child node (or end-element)
this.XmlReader.ReadStartElement();
do
{
switch (this.XmlReader.NodeType)
{
case XmlNodeType.Element:
if (this.XmlReader.NamespaceEquals(this.XmlReader.ODataNamespace))
{
// Found a property
IEdmProperty edmProperty = null;
bool isOpen = false;
bool ignoreProperty = false;
if (structuredType != null)
{
// Lookup the property in metadata
edmProperty = ReaderValidationUtils.ValidateValuePropertyDefined(this.XmlReader.LocalName, structuredType, this.MessageReaderSettings, out ignoreProperty);
if (edmProperty != null && edmProperty.PropertyKind == EdmPropertyKind.Navigation)
{
throw new ODataException(ODataErrorStrings.ODataAtomPropertyAndValueDeserializer_NavigationPropertyInProperties(edmProperty.Name, structuredType));
}
// If the property was not declared, it must be open.
isOpen = edmProperty == null;
}
if (ignoreProperty)
{
this.XmlReader.Skip();
}
else
{
ODataNullValueBehaviorKind nullValueReadBehaviorKind = this.ReadingResponse || edmProperty == null
? ODataNullValueBehaviorKind.Default
: this.Model.NullValueReadBehaviorKind(edmProperty);
ODataProperty property = this.ReadProperty(
false,
edmProperty == null ? null : edmProperty.Name,
edmProperty == null ? null : edmProperty.Type,
nullValueReadBehaviorKind);
Debug.Assert(
property != null || nullValueReadBehaviorKind == ODataNullValueBehaviorKind.IgnoreValue,
"If we don't ignore null values the property must not be null.");
if (property != null)
{
if (isOpen)
{
ValidationUtils.ValidateOpenPropertyValue(property.Name, property.Value);
}
duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
properties.AddToSourceList(property);
}
}
}
else
{
this.XmlReader.Skip();
}
break;
case XmlNodeType.EndElement:
// End of the complex value.
break;
default:
// Non-element so for example a text node, just ignore
this.XmlReader.Skip();
break;
}
}while (this.XmlReader.NodeType != XmlNodeType.EndElement);
}
}
internal static void SetCollectionProperty(object resource, IEdmProperty edmProperty, object value)
{
Contract.Assert(edmProperty != null);
SetCollectionProperty(resource, edmProperty.Name, edmProperty.Type.AsCollection(), value, clearCollection: false);
}
/// <summary>
/// Validates a stream reference property to ensure it's not null and its name if correct.
/// </summary>
/// <param name="streamProperty">The stream reference property to validate.</param>
/// <param name="edmProperty">Property metadata to validate against.</param>
internal static void ValidateStreamReferenceProperty(ODataProperty streamProperty, IEdmProperty edmProperty)
{
Debug.Assert(streamProperty != null, "streamProperty != null");
Debug.Assert(!string.IsNullOrEmpty(streamProperty.Name), "!string.IsNullOrEmpty(streamProperty.Name)");
Debug.Assert(streamProperty.Value is ODataStreamReferenceValue, "This method should only be called for stream reference properties.");
Debug.Assert(edmProperty == null || edmProperty.Name == streamProperty.Name, "edmProperty == null || edmProperty.Name == streamProperty.Name");
if (edmProperty != null && !edmProperty.Type.IsStream())
{
throw new ODataException(Strings.ValidationUtils_MismatchPropertyKindForStreamProperty(streamProperty.Name));
}
}
/// <summary>
/// Gets the instance of ClientTypeAnnotation from the given instance of <paramref name="edmProperty"/>.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="edmProperty">IEdmProperty instance to get the annotation.</param>
/// <returns>Returns the instance of ClientTypeAnnotation from the given instance of <paramref name="edmProperty"/>.</returns>
internal static ClientTypeAnnotation GetClientTypeAnnotation(this IEdmModel model, IEdmProperty edmProperty)
{
Debug.Assert(model != null, "model != null");
Debug.Assert(edmProperty != null, "edmProperty != null");
IEdmType edmType = edmProperty.Type.Definition;
Debug.Assert(edmType != null, "edmType != null");
return(model.GetAnnotationValue <ClientTypeAnnotation>(edmType));
}
private static void SetComputedAnnotation(EdmModel model, IEdmProperty target)
{
// when 'target' is <Key> property, V4's 'Computed' also has the meaning of OData V3's 'Identity'.
var val = new EdmBooleanConstant(value: true);
var annotation = new EdmAnnotation(target, CoreVocabularyModel.ComputedTerm, val);
annotation.SetSerializationLocation(model, EdmVocabularyAnnotationSerializationLocation.Inline);
model.SetVocabularyAnnotation(annotation);
}
public static IQueryable OrderByProperty(IQueryable query, IEdmProperty property, OrderByDirection direction, Type type, bool alreadyOrdered = false)
{
LambdaExpression orderByLambda = GetPropertyAccessLambda(type, property.Name);
return OrderBy(query, orderByLambda, direction, type, alreadyOrdered);
}
protected virtual void ProcessProperty(IEdmProperty property)
{
this.ProcessVocabularyAnnotatable(property);
this.ProcessNamedElement(property);
this.VisitTypeReference(property.Type);
}
public static PropertyInfo GetPropertyIgnoreCaseOrNull(this Type declaringType, IEdmProperty edmProperty)
{
var schemaElement = (IEdmSchemaElement)edmProperty.DeclaringType;
do
{
if (String.Compare(declaringType.Name, schemaElement.Name, StringComparison.OrdinalIgnoreCase) == 0 &&
String.Compare(declaringType.Namespace, schemaElement.Namespace, StringComparison.OrdinalIgnoreCase) == 0)
{
PropertyInfo propertyInfo = declaringType.GetPropertyIgnoreCase(edmProperty.Name);
if (propertyInfo == null)
{
if (edmProperty is OeEdmStructuralShadowProperty structuralShadowProperty)
{
return(Parsers.OeExpressionHelper.IsTupleType(declaringType) ? null : structuralShadowProperty.PropertyInfo);
}
if (edmProperty is OeEdmNavigationShadowProperty navigationShadowProperty)
{
return(Parsers.OeExpressionHelper.IsTupleType(declaringType) ? null : navigationShadowProperty.PropertyInfo);
}
}
return(propertyInfo);
}
declaringType = declaringType.BaseType;
}while (declaringType != null);
return(null);
}
public static PropertyInfo GetPropertyIgnoreCase(this Type declaringType, IEdmProperty edmProperty)
{
return(declaringType.GetPropertyIgnoreCaseOrNull(edmProperty) ?? throw new InvalidOperationException("EdmProperty " + edmProperty.Name + " not found in type " + declaringType.FullName));
}
/// <summary>
/// Binds a <see cref="InnerPathToken"/>.
/// This includes more than just navigations - it includes complex property access and primitive collections.
/// </summary>
/// <param name="segmentToken">The segment token to bind.</param>
/// <returns>The bound node.</returns>
internal QueryNode BindInnerPathSegment(InnerPathToken segmentToken)
{
FunctionCallBinder functionCallBinder = new FunctionCallBinder(this.bindMethod, state);
// First we get the parent node
QueryNode parent = this.DetermineParentNode(segmentToken, state);
Debug.Assert(parent != null, "parent should never be null");
SingleValueNode singleValueParent = parent as SingleValueNode;
if (singleValueParent == null)
{
QueryNode boundFunction;
if (functionCallBinder.TryBindInnerPathAsFunctionCall(segmentToken, parent, out boundFunction))
{
return(boundFunction);
}
throw new ODataException(ODataErrorStrings.MetadataBinder_PropertyAccessSourceNotSingleValue(segmentToken.Identifier));
}
// Using the parent and name of this token, we try to get the IEdmProperty it represents
IEdmProperty property = BindProperty(singleValueParent.TypeReference, segmentToken.Identifier, this.Resolver);
if (property == null)
{
QueryNode boundFunction;
if (functionCallBinder.TryBindInnerPathAsFunctionCall(segmentToken, parent, out boundFunction))
{
return(boundFunction);
}
if (singleValueParent.TypeReference != null && !singleValueParent.TypeReference.Definition.IsOpen())
{
throw new ODataException(
ODataErrorStrings.MetadataBinder_PropertyNotDeclared(
parent.GetEdmTypeReference().FullName(), segmentToken.Identifier));
}
return(new SingleValueOpenPropertyAccessNode(singleValueParent, segmentToken.Identifier));
}
IEdmStructuralProperty structuralProperty = property as IEdmStructuralProperty;
if (property.Type.IsComplex())
{
// Generate a segment to parsed segments for the parsed token
state.ParsedSegments.Add(new PropertySegment(structuralProperty));
return(new SingleComplexNode(singleValueParent as SingleResourceNode, property));
}
else if (property.Type.IsPrimitive())
{
return(new SingleValuePropertyAccessNode(singleValueParent, property));
}
// Note - this means nonentity collection (primitive or complex)
if (property.Type.IsNonEntityCollectionType())
{
if (property.Type.IsStructuredCollectionType())
{
// Generate a segment to parsed segments for the parsed token
state.ParsedSegments.Add(new PropertySegment(structuralProperty));
return(new CollectionComplexNode(singleValueParent as SingleResourceNode, property));
}
return(new CollectionPropertyAccessNode(singleValueParent, property));
}
IEdmNavigationProperty navigationProperty = property as IEdmNavigationProperty;
if (navigationProperty == null)
{
throw new ODataException(ODataErrorStrings.MetadataBinder_IllegalSegmentType(property.Name));
}
SingleResourceNode parentResource = EnsureParentIsResourceForNavProp(singleValueParent);
IEdmNavigationSource navigationSource;
QueryNode node = GetNavigationNode(navigationProperty, parentResource, segmentToken.NamedValues, state,
new KeyBinder(this.bindMethod), out navigationSource);
// Generate a segment to parsed segments for the parsed token
state.ParsedSegments.Add(new NavigationPropertySegment(navigationProperty, navigationSource));
return(node);
}
public static bool IsNotCountable(IEdmProperty edmProperty, IEdmModel edmModel)
{
QueryableRestrictionsAnnotation annotation = GetPropertyRestrictions(edmProperty, edmModel);
return(annotation == null ? false : annotation.Restrictions.NotCountable);
}
public OeSelectItem(IEdmProperty edmProperty, bool skipToken) : this()
{
EdmProperty = edmProperty;
SkipToken = skipToken;
}
/// <summary>
/// Returns the text representation of the current object.
/// </summary>
/// <param name="property">Reference to the calling object.</param>
/// <returns>The text representation of the current object.</returns>
public static string ToTraceString(this IEdmProperty property)
{
EdmUtil.CheckArgumentNull(property, "property");
return((property.Name != null ? property.Name : "") + ":" + (property.Type != null ? property.Type.ToTraceString() : ""));
}
/// <summary>
/// Gets the single instance of ClientPropertyAnnotation from the given instance of <paramref name="edmProperty"/>.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="edmProperty">IEdmProperty instance to get the annotation.</param>
/// <returns>Returns the single instance of ClientPropertyAnnotation from the given instance of <paramref name="edmProperty"/>.</returns>
internal static ClientPropertyAnnotation GetClientPropertyAnnotation(this IEdmModel model, IEdmProperty edmProperty)
{
Debug.Assert(model != null, "model != null");
Debug.Assert(edmProperty != null, "edmProperty != null");
return(model.GetAnnotationValue <ClientPropertyAnnotation>(edmProperty));
}
internal Expression CreatePropertyValueExpressionWithFilter(IEdmEntityType elementType, IEdmProperty property,
Expression source, FilterClause filterClause)
{
Contract.Assert(elementType != null);
Contract.Assert(property != null);
Contract.Assert(source != null);
IEdmEntityType declaringType = property.DeclaringType as IEdmEntityType;
Contract.Assert(declaringType != null, "only entity types are projected.");
// derived property using cast
if (elementType != declaringType)
{
Type castType = EdmLibHelpers.GetClrType(declaringType, _model);
if (castType == null)
{
throw new ODataException("TODO: " /*Error.Format(SRResources.MappingDoesNotContainResourceType,
* declaringType.FullName())*/);
}
source = Expression.TypeAs(source, castType);
}
string propertyName = EdmLibHelpers.GetClrPropertyName(property, _model);
Expression propertyValue = Expression.Property(source, propertyName);
Type nullablePropertyType = propertyValue.Type.ToNullable();
Expression nullablePropertyValue = ExpressionHelpers.ToNullable(propertyValue);
if (filterClause != null && property.Type.IsCollection())
{
IEdmTypeReference edmElementType = property.Type.AsCollection().ElementType();
Type clrElementType = EdmLibHelpers.GetClrType(edmElementType, _model);
if (clrElementType == null)
{
throw new ODataException("TODO:" /*Error.Format(SRResources.MappingDoesNotContainResourceType,
* edmElementType.FullName())*/);
}
Expression filterSource =
typeof(IEnumerable).IsAssignableFrom(source.Type.GetProperty(propertyName).PropertyType)
? Expression.Call(
ExpressionHelperMethods.QueryableAsQueryable.MakeGenericMethod(clrElementType),
nullablePropertyValue)
: nullablePropertyValue;
Expression filterPredicate = FilterBinder.Bind(filterClause, clrElementType, /*_context.RequestContainer*/ null);
MethodCallExpression filterResult = Expression.Call(
ExpressionHelperMethods.QueryableWhereGeneric.MakeGenericMethod(clrElementType),
filterSource,
filterPredicate);
nullablePropertyType = filterResult.Type;
if (_settings.HandleNullPropagation == HandleNullPropagationOption.True)
{
// nullablePropertyValue == null ? null : filterResult
nullablePropertyValue = Expression.Condition(
test: Expression.Equal(nullablePropertyValue, Expression.Constant(value: null)),
ifTrue: Expression.Constant(value: null, type: nullablePropertyType),
ifFalse: filterResult);
}
else
{
nullablePropertyValue = filterResult;
}
}
if (_settings.HandleNullPropagation == HandleNullPropagationOption.True)
{
// source == null ? null : propertyValue
propertyValue = Expression.Condition(
test: Expression.Equal(source, Expression.Constant(value: null)),
ifTrue: Expression.Constant(value: null, type: nullablePropertyType),
ifFalse: nullablePropertyValue);
}
else
{
// need to cast this to nullable as EF would fail while materializing if the property is not nullable and source is null.
propertyValue = nullablePropertyValue;
}
return(propertyValue);
}
internal Expression CreatePropertyValueExpressionWithFilter(IEdmEntityType elementType, IEdmProperty property,
Expression source, FilterClause filterClause)
{
Contract.Assert(elementType != null);
Contract.Assert(property != null);
Contract.Assert(source != null);
IEdmEntityType declaringType = property.DeclaringType as IEdmEntityType;
Contract.Assert(declaringType != null, "only entity types are projected.");
// derived property using cast
if (elementType != declaringType)
{
Type castType = EdmLibHelpers.GetClrType(declaringType, _model);
if (castType == null)
{
throw new ODataException(Error.Format(SRResources.MappingDoesNotContainResourceType,
declaringType.FullName()));
}
source = Expression.TypeAs(source, castType);
}
string propertyName = EdmLibHelpers.GetClrPropertyName(property, _model);
Expression propertyValue = Expression.Property(source, propertyName);
Type nullablePropertyType = TypeHelper.ToNullable(propertyValue.Type);
Expression nullablePropertyValue = ExpressionHelpers.ToNullable(propertyValue);
if (filterClause != null)
{
bool isCollection = property.Type.IsCollection();
IEdmTypeReference edmElementType = (isCollection ? property.Type.AsCollection().ElementType() : property.Type);
Type clrElementType = EdmLibHelpers.GetClrType(edmElementType, _model);
if (clrElementType == null)
{
throw new ODataException(Error.Format(SRResources.MappingDoesNotContainResourceType,
edmElementType.FullName()));
}
Expression filterResult = nullablePropertyValue;
ODataQuerySettings querySettings = new ODataQuerySettings()
{
HandleNullPropagation = HandleNullPropagationOption.True,
};
if (isCollection)
{
Expression filterSource =
typeof(IEnumerable).IsAssignableFrom(source.Type.GetProperty(propertyName).PropertyType)
? Expression.Call(
ExpressionHelperMethods.QueryableAsQueryable.MakeGenericMethod(clrElementType),
nullablePropertyValue)
: nullablePropertyValue;
// TODO: Implement proper support for $select/$expand after $apply
Expression filterPredicate = FilterBinder.Bind(null, filterClause, clrElementType, _context, querySettings);
filterResult = Expression.Call(
ExpressionHelperMethods.QueryableWhereGeneric.MakeGenericMethod(clrElementType),
filterSource,
filterPredicate);
nullablePropertyType = filterResult.Type;
}
else if (_settings.HandleReferenceNavigationPropertyExpandFilter)
{
LambdaExpression filterLambdaExpression = FilterBinder.Bind(null, filterClause, clrElementType, _context, querySettings) as LambdaExpression;
if (filterLambdaExpression == null)
{
throw new ODataException(Error.Format(SRResources.ExpandFilterExpressionNotLambdaExpression,
property.Name, "LambdaExpression"));
}
ParameterExpression filterParameter = filterLambdaExpression.Parameters.First();
Expression predicateExpression = new ReferenceNavigationPropertyExpandFilterVisitor(filterParameter, nullablePropertyValue).Visit(filterLambdaExpression.Body);
// create expression similar to: 'predicateExpression == true ? nullablePropertyValue : null'
filterResult = Expression.Condition(
test: predicateExpression,
ifTrue: nullablePropertyValue,
ifFalse: Expression.Constant(value: null, type: nullablePropertyType));
}
if (_settings.HandleNullPropagation == HandleNullPropagationOption.True)
{
// create expression similar to: 'nullablePropertyValue == null ? null : filterResult'
nullablePropertyValue = Expression.Condition(
test: Expression.Equal(nullablePropertyValue, Expression.Constant(value: null)),
ifTrue: Expression.Constant(value: null, type: nullablePropertyType),
ifFalse: filterResult);
}
else
{
nullablePropertyValue = filterResult;
}
}
if (_settings.HandleNullPropagation == HandleNullPropagationOption.True)
{
// create expression similar to: 'source == null ? null : propertyValue'
propertyValue = Expression.Condition(
test: Expression.Equal(source, Expression.Constant(value: null)),
ifTrue: Expression.Constant(value: null, type: nullablePropertyType),
ifFalse: nullablePropertyValue);
}
else
{
// need to cast this to nullable as EF would fail while materializing if the property is not nullable and source is null.
propertyValue = nullablePropertyValue;
}
return(propertyValue);
}
/// <summary>
/// Sets the given instance of <paramref name="annotation"/> to the given instance of <paramref name="edmProperty"/>.
/// </summary>
/// <param name="edmProperty">IEdmProperty instance to set the annotation.</param>
/// <param name="annotation">Annotation instance to set.</param>
internal static void SetClientPropertyAnnotation(this IEdmProperty edmProperty, ClientPropertyAnnotation annotation)
{
Debug.Assert(edmProperty != null, "edmProperty != null");
Debug.Assert(annotation != null, "annotation != null");
annotation.Model.SetAnnotationValue <ClientPropertyAnnotation>(edmProperty, annotation);
}
/// <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("resource");
}
if (resourceInfoWrapper == null)
{
throw Error.ArgumentNull("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);
}
}
}
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------
private void SetPropertyItemStyle(
IEdmEntityType entityType,
IEdmProperty property,
out string itemText,
out string tooltipText,
out ExplorerItemKind itemKind,
out ExplorerIcon itemIcon)
{
var navigationProperty = (property as IEdmNavigationProperty);
var structuralProperty = (property as IEdmStructuralProperty);
var isCollection = property.Type.IsCollection();
if ( navigationProperty != null )
{
itemText = property.Name;
tooltipText = property.Type.Definition.FullTypeName();
itemKind = (isCollection ? ExplorerItemKind.CollectionLink : ExplorerItemKind.ReferenceLink);
switch (navigationProperty.TargetMultiplicity())
{
case EdmMultiplicity.One:
itemIcon = (isCollection ? ExplorerIcon.ManyToOne : ExplorerIcon.OneToOne);
break;
case EdmMultiplicity.Many:
itemIcon = (isCollection ? ExplorerIcon.ManyToMany : ExplorerIcon.OneToMany);
break;
default:
itemIcon = ExplorerIcon.Column;
break;
}
}
else if (structuralProperty != null && entityType.DeclaredKey.Contains(structuralProperty))
{
itemText = string.Format("{0} : {1}", property.Name, property.Type.Definition.FullTypeName());
tooltipText = "Contained in entity key";
itemKind = ExplorerItemKind.Property;
itemIcon = ExplorerIcon.Key;
}
else
{
itemText = string.Format("{0} : {1}", property.Name, property.Type.Definition.FullTypeName());
tooltipText = string.Empty;
itemKind = ExplorerItemKind.Property;
itemIcon = ExplorerIcon.Column;
}
}
private IOrderedQueryable ApplyToCore(IQueryable query, ODataQuerySettings querySettings)
{
if (Context.ElementClrType == null)
{
throw Error.NotSupported(SRResources.ApplyToOnUntypedQueryOption, "ApplyTo");
}
ICollection <OrderByNode> nodes = OrderByNodes;
bool alreadyOrdered = false;
IQueryable querySoFar = query;
HashSet <IEdmProperty> propertiesSoFar = new HashSet <IEdmProperty>();
bool orderByItSeen = false;
foreach (OrderByNode node in nodes)
{
OrderByPropertyNode propertyNode = node as OrderByPropertyNode;
if (propertyNode != null)
{
IEdmProperty property = propertyNode.Property;
OrderByDirection direction = propertyNode.Direction;
// This check prevents queries with duplicate properties (e.g. $orderby=Id,Id,Id,Id...) from causing stack overflows
if (propertiesSoFar.Contains(property))
{
throw new ODataException(Error.Format(SRResources.OrderByDuplicateProperty, property.Name));
}
propertiesSoFar.Add(property);
if (propertyNode.OrderByClause != null)
{
// Ensure we have decided how to handle null propagation
ODataQuerySettings updatedSettings = querySettings;
if (querySettings.HandleNullPropagation == HandleNullPropagationOption.Default)
{
updatedSettings = new ODataQuerySettings(updatedSettings);
updatedSettings.HandleNullPropagation = HandleNullPropagationOptionHelper.GetDefaultHandleNullPropagationOption(query);
}
LambdaExpression orderByExpression =
FilterBinder.Bind(propertyNode.OrderByClause, Context.ElementClrType, Context.Model, updatedSettings);
querySoFar = ExpressionHelpers.OrderBy(querySoFar, orderByExpression, direction, Context.ElementClrType, alreadyOrdered);
}
else
{
querySoFar = ExpressionHelpers.OrderByProperty(querySoFar, Context.Model, property, direction, Context.ElementClrType, alreadyOrdered);
}
alreadyOrdered = true;
}
else
{
// This check prevents queries with duplicate nodes (e.g. $orderby=$it,$it,$it,$it...) from causing stack overflows
if (orderByItSeen)
{
throw new ODataException(Error.Format(SRResources.OrderByDuplicateIt));
}
querySoFar = ExpressionHelpers.OrderByIt(querySoFar, node.Direction, Context.ElementClrType, alreadyOrdered);
alreadyOrdered = true;
orderByItSeen = true;
}
}
return(querySoFar as IOrderedQueryable);
}
public static bool IsAutoExpand(IEdmProperty edmProperty, IEdmModel edmModel)
{
QueryableRestrictionsAnnotation annotation = GetPropertyRestrictions(edmProperty, edmModel);
return annotation == null ? false : annotation.Restrictions.AutoExpand;
}
public static string GetClrPropertyName(IEdmProperty edmProperty, IEdmModel edmModel)
{
if (edmProperty == null)
{
throw Error.ArgumentNull("edmProperty");
}
if (edmModel == null)
{
throw Error.ArgumentNull("edmModel");
}
string propertyName = edmProperty.Name;
ClrPropertyInfoAnnotation annotation = edmModel.GetAnnotationValue<ClrPropertyInfoAnnotation>(edmProperty);
if (annotation != null)
{
PropertyInfo propertyInfo = annotation.ClrPropertyInfo;
if (propertyInfo != null)
{
propertyName = propertyInfo.Name;
}
}
return propertyName;
}
private void CreateStructuralTypeBody(EdmStructuredType type, StructuralTypeConfiguration config)
{
foreach (PropertyConfiguration property in config.Properties)
{
IEdmProperty edmProperty = null;
switch (property.Kind)
{
case PropertyKind.Primitive:
PrimitivePropertyConfiguration primitiveProperty = (PrimitivePropertyConfiguration)property;
EdmPrimitiveTypeKind typeKind = primitiveProperty.TargetEdmTypeKind ??
GetTypeKind(primitiveProperty.PropertyInfo.PropertyType);
IEdmTypeReference primitiveTypeReference = EdmCoreModel.Instance.GetPrimitive(
typeKind,
primitiveProperty.OptionalProperty);
if (typeKind == EdmPrimitiveTypeKind.Decimal)
{
DecimalPropertyConfiguration decimalProperty =
primitiveProperty as DecimalPropertyConfiguration;
if (decimalProperty.Precision.HasValue || decimalProperty.Scale.HasValue)
{
primitiveTypeReference = new EdmDecimalTypeReference(
(IEdmPrimitiveType)primitiveTypeReference.Definition,
primitiveTypeReference.IsNullable,
decimalProperty.Precision,
decimalProperty.Scale.HasValue ? decimalProperty.Scale : 0);
}
}
else if (EdmLibHelpers.HasPrecision(typeKind))
{
PrecisionPropertyConfiguration precisionProperty =
primitiveProperty as PrecisionPropertyConfiguration;
primitiveTypeReference = AddPrecisionConfigInPrimitiveTypeReference(
precisionProperty,
primitiveTypeReference);
}
else if (EdmLibHelpers.HasLength(typeKind))
{
LengthPropertyConfiguration lengthProperty =
primitiveProperty as LengthPropertyConfiguration;
primitiveTypeReference = AddLengthConfigInPrimitiveTypeReference(
lengthProperty,
primitiveTypeReference);
}
edmProperty = type.AddStructuralProperty(
primitiveProperty.Name,
primitiveTypeReference,
defaultValue: primitiveProperty.DefaultValueString);
break;
case PropertyKind.Complex:
ComplexPropertyConfiguration complexProperty = property as ComplexPropertyConfiguration;
IEdmComplexType complexType = GetEdmType(complexProperty.RelatedClrType) as IEdmComplexType;
edmProperty = type.AddStructuralProperty(
complexProperty.Name,
new EdmComplexTypeReference(complexType, complexProperty.OptionalProperty));
break;
case PropertyKind.Collection:
edmProperty = CreateStructuralTypeCollectionPropertyBody(type, (CollectionPropertyConfiguration)property);
break;
case PropertyKind.Enum:
edmProperty = CreateStructuralTypeEnumPropertyBody(type, (EnumPropertyConfiguration)property);
break;
default:
break;
}
if (edmProperty != null)
{
if (property.PropertyInfo != null)
{
_properties[property.PropertyInfo] = edmProperty;
}
if (property.IsRestricted)
{
_propertiesRestrictions[edmProperty] = new QueryableRestrictions(property);
}
if (property.QueryConfiguration.ModelBoundQuerySettings != null)
{
_propertiesQuerySettings.Add(edmProperty, property.QueryConfiguration.ModelBoundQuerySettings);
}
_propertyConfigurations[edmProperty] = property;
}
}
}
private void CreatePrimitiveProperty(PrimitivePropertyConfiguration primitiveProperty, EdmStructuredType type, StructuralTypeConfiguration config, out IEdmProperty edmProperty)
{
EdmPrimitiveTypeKind typeKind = GetTypeKind(primitiveProperty.PropertyInfo.PropertyType);
IEdmTypeReference primitiveTypeReference = EdmCoreModel.Instance.GetPrimitive(
typeKind,
primitiveProperty.OptionalProperty);
// Set concurrency token if is entity type, and concurrency token is true
EdmConcurrencyMode concurrencyMode = EdmConcurrencyMode.None;
if (config.Kind == EdmTypeKind.Entity && primitiveProperty.ConcurrencyToken)
{
concurrencyMode = EdmConcurrencyMode.Fixed;
}
var primitiveProp = new EdmStructuralProperty(
type,
primitiveProperty.PropertyInfo.Name,
primitiveTypeReference,
defaultValueString: null,
concurrencyMode: concurrencyMode);
type.AddProperty(primitiveProp);
edmProperty = primitiveProp;
// Set Annotation StoreGeneratedPattern
if (config.Kind == EdmTypeKind.Entity &&
primitiveProperty.StoreGeneratedPattern != DatabaseGeneratedOption.None)
{
_directValueAnnotations.Add(
new StoreGeneratedPatternAnnotation(primitiveProp, primitiveProperty.StoreGeneratedPattern));
}
}
/// <summary>
/// Read an entry-level data property and check its version compliance.
/// </summary>
/// <param name="entryState">The state of the reader for entry to read.</param>
/// <param name="edmProperty">The EDM property of the property being read, or null if the property is an open property.</param>
/// <param name="propertyTypeName">The type name specified for the property in property annotation, or null if no such type name is available.</param>
/// <remarks>
/// Pre-Condition: The reader is positioned on the first node of the property value
/// Post-Condition: JsonNodeType.Property: the next property of the entry
/// JsonNodeType.EndObject: the end-object node of the entry
/// </remarks>
private void ReadEntryDataProperty(IODataJsonLightReaderEntryState entryState, IEdmProperty edmProperty, string propertyTypeName)
{
Debug.Assert(entryState != null, "entryState != null");
Debug.Assert(edmProperty != null, "edmProperty != null");
this.JsonReader.AssertNotBuffering();
// EdmLib bridge marks all key properties as non-nullable, but Astoria allows them to be nullable.
// If the property has an annotation to ignore null values, we need to omit the property in requests.
ODataNullValueBehaviorKind nullValueReadBehaviorKind = this.ReadingResponse
? ODataNullValueBehaviorKind.Default
: this.Model.NullValueReadBehaviorKind(edmProperty);
object propertyValue = this.ReadNonEntityValue(
propertyTypeName,
edmProperty.Type,
/*duplicatePropertyNamesChecker*/ null,
/*collectionValidator*/ null,
nullValueReadBehaviorKind == ODataNullValueBehaviorKind.Default,
/*isTopLevelPropertyValue*/ false,
/*insideComplexValue*/ false,
edmProperty.Name);
if (nullValueReadBehaviorKind != ODataNullValueBehaviorKind.IgnoreValue || propertyValue != null)
{
AddEntryProperty(entryState, edmProperty.Name, propertyValue);
}
this.JsonReader.AssertNotBuffering();
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"Post-Condition: expected JsonNodeType.Property or JsonNodeType.EndObject");
}
private static IEdmProperty CreateAmbiguousPropertyBinding(IEdmProperty first, IEdmProperty second)
{
var ambiguous = first as AmbiguousPropertyBinding;
if (ambiguous != null)
{
ambiguous.AddBinding(second);
return(ambiguous);
}
return(new AmbiguousPropertyBinding(first.DeclaringType, first, second));
}
/// <summary>
/// Validates a named stream property to ensure it's not null and it's name if correct.
/// </summary>
/// <param name="streamProperty">The stream reference property to validate.</param>
/// <param name="edmProperty">Property metadata to validate against.</param>
/// <param name="writingResponse">true when writing a response; otherwise false.</param>
/// <param name="bypassValidation">Bypass the validation if it is true.</param>
/// <remarks>This does NOT validate the value of the stream property, just the property itself.</remarks>
internal static void ValidateStreamReferenceProperty(ODataProperty streamProperty, IEdmProperty edmProperty, bool writingResponse, bool bypassValidation = false)
{
Debug.Assert(streamProperty != null, "streamProperty != null");
if (bypassValidation)
{
return;
}
ValidationUtils.ValidateStreamReferenceProperty(streamProperty, edmProperty);
if (!writingResponse)
{
// Stream properties are only valid in responses; writers fail if they encounter them in requests.
throw new ODataException(Strings.WriterValidationUtils_StreamPropertyInRequest(streamProperty.Name));
}
}
internal static void RegisterProperty(IEdmProperty element, string name, Dictionary <string, IEdmProperty> dictionary)
{
AddElement(element, name, dictionary, CreateAmbiguousPropertyBinding);
}
public static bool IsNotCountable(IEdmProperty edmProperty, IEdmModel edmModel)
{
QueryableRestrictionsAnnotation annotation = GetPropertyRestrictions(edmProperty, edmModel);
return annotation == null ? false : annotation.Restrictions.NotCountable;
}
private void SetEpmValueForSegment(
EntityPropertyMappingInfo epmInfo,
int propertyValuePathIndex,
IEdmStructuredTypeReference segmentStructuralTypeReference,
ReadOnlyEnumerable <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.");
// TODO: Server seems to have a bug where if there's an EPM for an open property where the EPM uses complex types (the source path is deeper than 1)
// then it will actually materialize the property as entry level string property, with the value of the deep property value. If there are multiple deep
// EPM for the same top-level open property it seems to set the entry level property multiple times with the values as they come from payload.
// Client on the other hand doesn't have open properties, and always has a type, so no problem there.
if (propertyMetadata == null && propertyValuePathIndex != epmInfo.PropertyValuePath.Length - 1)
{
throw new ODataException(ODataErrorStrings.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(ODataErrorStrings.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,
propertyName);
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,
existingComplexValue.Properties.ToReadOnlyEnumerable("Properties"),
propertyValue);
break;
case EdmTypeKind.Collection:
Debug.Assert(propertyType.IsNonEntityCollectionType(), "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(ODataErrorStrings.General_InternalError(InternalErrorCodes.EpmReader_SetEpmValueForSegment_TypeKind));
}
}
private static QueryableRestrictionsAnnotation GetPropertyRestrictions(IEdmProperty edmProperty, IEdmModel edmModel)
{
Contract.Assert(edmProperty != null);
Contract.Assert(edmModel != null);
return edmModel.GetAnnotationValue<QueryableRestrictionsAnnotation>(edmProperty);
}
internal Expression CreatePropertyValueExpression(IEdmEntityType elementType, IEdmProperty property, Expression source)
{
Contract.Assert(elementType != null);
Contract.Assert(property != null);
Contract.Assert(source != null);
IEdmEntityType declaringType = property.DeclaringType as IEdmEntityType;
Contract.Assert(declaringType != null, "only entity types are projected.");
// derived property using cast
if (elementType != declaringType)
{
Type castType = EdmLibHelpers.GetClrType(declaringType, _model);
if (castType == null)
{
throw new ODataException(Error.Format(SRResources.MappingDoesNotContainEntityType, declaringType.FullName()));
}
source = Expression.TypeAs(source, castType);
}
Expression propertyValue = Expression.Property(source, property.Name);
if (_settings.HandleNullPropagation == HandleNullPropagationOption.True)
{
// source == null ? null : propertyValue
propertyValue = Expression.Condition(
test: Expression.Equal(source, Expression.Constant(null)),
ifTrue: Expression.Constant(null, propertyValue.Type.ToNullable()),
ifFalse: ExpressionHelpers.ToNullable(propertyValue));
}
else
{
// need to cast this to nullable as EF would fail while materializing if the property is not nullable and source is null.
propertyValue = ExpressionHelpers.ToNullable(propertyValue);
}
return(propertyValue);
}
private IOrderedQueryable ApplyToCore(IQueryable query, ODataQuerySettings querySettings)
{
if (_contextElementClrType == null)
{
throw Error.NotSupported(SRResources.ApplyToOnUntypedQueryOption, "ApplyTo");
}
ICollection <OrderByNode> nodes = OrderByNodes;
bool alreadyOrdered = false;
IQueryable querySoFar = query;
HashSet <IEdmProperty> propertiesSoFar = new HashSet <IEdmProperty>();
HashSet <string> openPropertiesSoFar = new HashSet <string>();
bool orderByItSeen = false;
foreach (OrderByNode node in nodes)
{
OrderByPropertyNode propertyNode = node as OrderByPropertyNode;
OrderByOpenPropertyNode openPropertyNode = node as OrderByOpenPropertyNode;
if (propertyNode != null)
{
IEdmProperty property = propertyNode.Property;
OrderByDirection direction = propertyNode.Direction;
// This check prevents queries with duplicate properties (e.g. $orderby=Id,Id,Id,Id...) from causing stack overflows
if (propertiesSoFar.Contains(property) && propertiesSoFar.Count > 50)
{
throw new ODataException(Error.Format(SRResources.OrderByDuplicateProperty, property.Name));
}
propertiesSoFar.Add(property);
if (propertyNode.OrderByClause != null)
{
querySoFar = AddOrderByQueryForProperty(query, querySettings, propertyNode.OrderByClause, querySoFar, direction, alreadyOrdered);
}
else
{
querySoFar = ExpressionHelpers.OrderByProperty(querySoFar, Context.Model, property, direction, _contextElementClrType, alreadyOrdered);
}
alreadyOrdered = true;
}
else if (openPropertyNode != null)
{
// This check prevents queries with duplicate properties (e.g. $orderby=Id,Id,Id,Id...) from causing stack overflows
if (openPropertiesSoFar.Contains(openPropertyNode.PropertyName) && openPropertiesSoFar.Count > 50)
{
throw new ODataException(Error.Format(SRResources.OrderByDuplicateProperty, openPropertyNode.PropertyName));
}
openPropertiesSoFar.Add(openPropertyNode.PropertyName);
Contract.Assert(openPropertyNode.OrderByClause != null);
querySoFar = AddOrderByQueryForProperty(query, querySettings, openPropertyNode.OrderByClause, querySoFar, openPropertyNode.Direction, alreadyOrdered);
alreadyOrdered = true;
}
else
{
// This check prevents queries with duplicate nodes (e.g. $orderby=$it,$it,$it,$it...) from causing stack overflows
if (orderByItSeen)
{
throw new ODataException(Error.Format(SRResources.OrderByDuplicateIt));
}
querySoFar = ExpressionHelpers.OrderByIt(querySoFar, node.Direction, _contextElementClrType, alreadyOrdered);
alreadyOrdered = true;
orderByItSeen = true;
}
}
return(querySoFar as IOrderedQueryable);
}
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));
}