public void Init()
{
this._address = new Address { Street = "123 fake st" };
this._entity = new Customer { Id = 1, Address = this._address, Emails = new List<string> { "*****@*****.**"} };
var model = new ClientEdmModel(ODataProtocolVersion.V4);
var entityType = model.GetOrCreateEdmType(typeof(Customer));
var complexType = model.GetOrCreateEdmType(typeof(Address));
this._complexValue = new ClientEdmStructuredValue(this._address, model, model.GetClientTypeAnnotation(complexType));
this._entityValue = new ClientEdmStructuredValue(this._entity, model, model.GetClientTypeAnnotation(entityType));
}
private static void VerifyIsVersion4(Type type)
{
ClientEdmModel model = new ClientEdmModel(ODataProtocolVersion.V4);
IEdmType edmType = model.GetOrCreateEdmType(type);
var typeAnnotation = model.GetClientTypeAnnotation(edmType);
Assert.AreEqual(typeAnnotation.GetMetadataVersion(), new Version(4, 0), "Type with geography point must have 4.0 version");
}
/// <summary>
/// Creates and returns an ODataResourceWrapper from the given value.
/// </summary>
/// <param name="entityType">The value type.</param>
/// <param name="value">The resource value.</param>
/// <param name="properties">The given properties to serialize.</param>
/// <returns>An ODataResourceWrapper representing the given value.</returns>
internal ODataResourceWrapper CreateODataResourceWrapper(Type entityType, object value, params ClientPropertyAnnotation[] properties)
{
Debug.Assert(entityType != null, "entityType != null");
if (value == null)
{
return(null);
}
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation entityTypeAnnotation = model.GetClientTypeAnnotation(value.GetType());
Debug.Assert(entityTypeAnnotation != null, "entityTypeAnnotation != null");
Debug.Assert(entityTypeAnnotation.IsStructuredType, "Unexpected type");
ODataResource odataEntityValue = new ODataResource()
{
TypeName = entityTypeAnnotation.ElementTypeName,
};
string serverTypeName = this.requestInfo.GetServerTypeName(entityTypeAnnotation);
odataEntityValue.TypeAnnotation = new ODataTypeAnnotation(serverTypeName);
odataEntityValue.Properties = this.PopulateProperties(value, serverTypeName, properties.Any() ? properties : entityTypeAnnotation.PropertiesToSerialize(), null);
var wrapper = new ODataResourceWrapper()
{
Resource = odataEntityValue
};
wrapper.NestedResourceInfoWrappers = PopulateNestedComplexProperties(value, serverTypeName, properties.Any() ? properties : entityTypeAnnotation.PropertiesToSerialize(), null);
return(wrapper);
}
/// <summary>
/// Converts CLR value into ODataEnumValue.
/// </summary>
/// <param name="enumClrType">The CLR type.</param>
/// <param name="value">The Enum value.</param>
/// <param name="isCollectionItem">The bool isCollectionItem.</param>
/// <returns>An ODataEnumValue instance.</returns>
internal ODataEnumValue CreateODataEnumValue(Type enumClrType, object value, bool isCollectionItem)
{
Debug.Assert(enumClrType != null && enumClrType.IsEnum, "enumClrType != null && enumClrType.IsEnum");
Debug.Assert(value != null || !isCollectionItem, "Collection items must not be null");
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation enumTypeAnnotation = model.GetClientTypeAnnotation(enumClrType);
Debug.Assert(enumTypeAnnotation != null, "enumTypeAnnotation != null");
Debug.Assert(!enumTypeAnnotation.IsEntityType, "Unexpected entity");
// Handle null value by putting m:null="true"
if (value == null)
{
Debug.Assert(!isCollectionItem, "Null collection items are not supported. Should have already been checked.");
return(null);
}
MemberInfo member = enumClrType.GetMember(value.ToString()).FirstOrDefault();
if (member == null)
{
throw new NotSupportedException(Strings.Serializer_InvalidEnumMemberValue(enumClrType.Name, value.ToString()));
}
string memberValue = ClientTypeUtil.GetServerDefinedName(member);
return(new ODataEnumValue(memberValue, enumTypeAnnotation.ElementTypeName));
}
/// <summary>
/// Creates and returns an ODataEntry from the given value.
/// </summary>
/// <param name="entityType">The value type.</param>
/// <param name="value">The entry value.</param>
/// <param name="properties">The given properties to serialize.</param>
/// <returns>An ODataEntry representing the given value.</returns>
internal ODataEntry CreateODataEntry(Type entityType, object value, params ClientPropertyAnnotation[] properties)
{
Debug.Assert(entityType != null, "entityType != null");
Debug.Assert(value != null, "value != null");
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation entityTypeAnnotation = model.GetClientTypeAnnotation(entityType);
Debug.Assert(entityTypeAnnotation != null, "entityTypeAnnotation != null");
Debug.Assert(entityTypeAnnotation.IsEntityType, "Unexpected type");
ODataEntry odataEntityValue = new ODataEntry()
{
TypeName = entityTypeAnnotation.ElementTypeName,
};
string serverTypeName = this.requestInfo.GetServerTypeName(entityTypeAnnotation);
odataEntityValue.SetAnnotation(new SerializationTypeNameAnnotation {
TypeName = serverTypeName
});
odataEntityValue.Properties = this.PopulateProperties(value, serverTypeName, properties.Any() ? properties : entityTypeAnnotation.PropertiesToSerialize(), null);
return(odataEntityValue);
}
/// <summary>
/// Creates and returns an ODataResourceWrapper from the given value.
/// </summary>
/// <param name="complexType">The value type.</param>
/// <param name="instance">The complex instance.</param>
/// <param name="propertyName">If the value is a property, then it represents the name of the property. Can be null, for non-property.</param>
/// <param name="visitedComplexTypeObjects">Set of instances of complex types encountered in the hierarchy. Used to detect cycles.</param>
/// <returns>An ODataResourceWrapper representing the given value.</returns>
internal ODataResourceWrapper CreateODataResourceWrapperForComplex(Type complexType, object instance, string propertyName, HashSet <object> visitedComplexTypeObjects)
{
Debug.Assert(complexType != null, "complexType != null");
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation complexTypeAnnotation = model.GetClientTypeAnnotation(complexType);
Debug.Assert(complexTypeAnnotation != null, "complexTypeAnnotation != null");
Debug.Assert(!complexTypeAnnotation.IsEntityType, "Unexpected entity");
if (instance == null)
{
return(new ODataResourceWrapper()
{
Resource = null
});
}
if (visitedComplexTypeObjects == null)
{
visitedComplexTypeObjects = new HashSet <object>(ReferenceEqualityComparer <object> .Instance);
}
else if (visitedComplexTypeObjects.Contains(instance))
{
if (propertyName != null)
{
throw Error.InvalidOperation(Strings.Serializer_LoopsNotAllowedInComplexTypes(propertyName));
}
else
{
Debug.Assert(complexTypeAnnotation.ElementTypeName != null, "complexTypeAnnotation.ElementTypeName != null");
throw Error.InvalidOperation(Strings.Serializer_LoopsNotAllowedInNonPropertyComplexTypes(complexTypeAnnotation.ElementTypeName));
}
}
visitedComplexTypeObjects.Add(instance);
ODataResource resource = new ODataResource()
{
TypeName = complexTypeAnnotation.ElementTypeName
};
string serverTypeName = this.requestInfo.GetServerTypeName(complexTypeAnnotation);
resource.TypeAnnotation = new ODataTypeAnnotation(serverTypeName);
resource.Properties = this.PopulateProperties(instance, serverTypeName, complexTypeAnnotation.PropertiesToSerialize(), visitedComplexTypeObjects);
var wrapper = new ODataResourceWrapper()
{
Resource = resource, Instance = instance
};
wrapper.NestedResourceInfoWrappers = this.PopulateNestedComplexProperties(instance, serverTypeName, complexTypeAnnotation.PropertiesToSerialize(), visitedComplexTypeObjects);
visitedComplexTypeObjects.Remove(instance);
return(wrapper);
}
/// <summary>
/// Creates and returns an ODataComplexValue from the given value.
/// </summary>
/// <param name="complexType">The value type.</param>
/// <param name="value">The complex value.</param>
/// <param name="propertyName">If the value is a property, then it represents the name of the property. Can be null, for non-property.</param>
/// <param name="isCollectionItem">True, if the value is an item in a collection, false otherwise.</param>
/// <param name="visitedComplexTypeObjects">Set of instances of complex types encountered in the hierarchy. Used to detect cycles.</param>
/// <returns>An ODataComplexValue representing the given value.</returns>
internal ODataComplexValue CreateODataComplexValue(Type complexType, object value, string propertyName, bool isCollectionItem, HashSet <object> visitedComplexTypeObjects)
{
Debug.Assert(complexType != null, "complexType != null");
Debug.Assert(value != null || !isCollectionItem, "Collection items must not be null");
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation complexTypeAnnotation = model.GetClientTypeAnnotation(complexType);
Debug.Assert(complexTypeAnnotation != null, "complexTypeAnnotation != null");
Debug.Assert(!complexTypeAnnotation.IsEntityType, "Unexpected entity");
// Handle null values for complex types by putting m:null="true"
if (value == null)
{
Debug.Assert(!isCollectionItem, "Null collection items are not supported. Should have already been checked.");
return(null);
}
if (visitedComplexTypeObjects == null)
{
visitedComplexTypeObjects = new HashSet <object>(ReferenceEqualityComparer <object> .Instance);
}
else if (visitedComplexTypeObjects.Contains(value))
{
if (propertyName != null)
{
throw Error.InvalidOperation(Strings.Serializer_LoopsNotAllowedInComplexTypes(propertyName));
}
else
{
Debug.Assert(complexTypeAnnotation.ElementTypeName != null, "complexTypeAnnotation.ElementTypeName != null");
throw Error.InvalidOperation(Strings.Serializer_LoopsNotAllowedInNonPropertyComplexTypes(complexTypeAnnotation.ElementTypeName));
}
}
visitedComplexTypeObjects.Add(value);
ODataComplexValue odataComplexValue = new ODataComplexValue();
// When TypeName is set, it causes validation to occur when ODataLib writes out the collection. Part of the validation ensures that all items
// in the collection are exactly the same type, no derived types are allowed. In the released WCF Data Services 5.0 implementation, we don't set
// TypeName here, so that validation does not occur, therefore we will set this value only for JSON Light, so we don't break existing code.
if (!this.requestInfo.Format.UsingAtom)
{
odataComplexValue.TypeName = complexTypeAnnotation.ElementTypeName;
}
// If this complex type is a collection item don't put type name on each item
if (!isCollectionItem)
{
odataComplexValue.SetAnnotation(new SerializationTypeNameAnnotation {
TypeName = this.requestInfo.GetServerTypeName(complexTypeAnnotation)
});
}
odataComplexValue.Properties = this.PopulateProperties(value, complexTypeAnnotation.PropertiesToSerialize(), visitedComplexTypeObjects);
visitedComplexTypeObjects.Remove(value);
return(odataComplexValue);
}
/// <summary>
/// ConstantExpression visit method
/// </summary>
/// <param name="c">The ConstantExpression expression to visit</param>
/// <returns>The visited ConstantExpression expression </returns>
internal override Expression VisitConstant(ConstantExpression c)
{
if (c.Value == null)
{
this.builder.Append(UriHelper.NULL);
return(c);
}
// DEVNOTE:
// Rather than forcing every other codepath to have the 'Try...' pattern for formatting,
// we catch the InvalidOperationException here to change the exception type.
// This is exceedingly rare, and not a scenario where performance is meaningful, so the
// reduced complexity in all other call sites is worth the extra logic here.
string result;
BinaryExpression b = this.parent as BinaryExpression;
MethodCallExpression m = this.parent as MethodCallExpression;
if ((b != null && HasEnumInBinaryExpression(b)) || (m != null && m.Method.Name == "HasFlag"))
{
c = this.ConvertConstantExpressionForEnum(c);
ClientEdmModel model = this.context.Model;
IEdmType edmType = model.GetOrCreateEdmType(c.Type.IsEnum() ? c.Type : c.Type.GetGenericArguments()[0]);
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
string typeNameInEdm = this.context.ResolveNameFromTypeInternal(typeAnnotation.ElementType);
MemberInfo member = typeAnnotation.ElementType.GetField(c.Value.ToString());
string memberValue = ClientTypeUtil.GetServerDefinedName(member);
ODataEnumValue enumValue = new ODataEnumValue(memberValue, typeNameInEdm ?? typeAnnotation.ElementTypeName);
result = ODataUriUtils.ConvertToUriLiteral(enumValue, CommonUtil.ConvertToODataVersion(this.uriVersion), null);
}
else
{
try
{
result = LiteralFormatter.ForConstants.Format(c.Value);
}
catch (InvalidOperationException)
{
if (this.cantTranslateExpression)
{
// there's already a problem in the parents.
// we should just return here, because caller somewhere up the stack will throw a better exception
return(c);
}
throw new NotSupportedException(Strings.ALinq_CouldNotConvert(c.Value));
}
}
Debug.Assert(result != null, "result != null");
this.builder.Append(result);
return(c);
}
/// <summary>
/// Creates the ResponseInfo object.
/// </summary>
/// <returns>ResponseInfo object.</returns>
protected override ResponseInfo CreateResponseInfo()
{
DataServiceContext context = (DataServiceContext)this.Source;
ClientEdmModel model = context.Model;
ClientTypeAnnotation type = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(this.entity.GetType()));
Debug.Assert(type.IsEntityType, "Must be entity type to be contained.");
return(this.RequestInfo.GetDeserializationInfoForLoadProperty(
null,
context.GetEntityDescriptor(this.entity),
type.GetProperty(this.propertyName, false)));
}
/// <summary>
/// loading a property from a response
/// </summary>
/// <returns>QueryOperationResponse instance containing information about the response.</returns>
internal QueryOperationResponse LoadProperty()
{
MaterializeAtom results = null;
DataServiceContext context = (DataServiceContext)this.Source;
ClientEdmModel model = context.Model;
ClientTypeAnnotation type = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(this.entity.GetType()));
Debug.Assert(type.IsEntityType, "must be entity type to be contained");
EntityDescriptor box = context.GetEntityDescriptor(this.entity);
if (EntityStates.Added == box.State)
{
throw Error.InvalidOperation(Strings.Context_NoLoadWithInsertEnd);
}
ClientPropertyAnnotation property = type.GetProperty(this.propertyName, false);
Type elementType = property.EntityCollectionItemType ?? property.NullablePropertyType;
try
{
if (type.MediaDataMember == property)
{
results = this.ReadPropertyFromRawData(property);
}
else
{
results = this.ReadPropertyFromAtom(property);
}
return(this.GetResponseWithType(results, elementType));
}
catch (InvalidOperationException ex)
{
QueryOperationResponse response = this.GetResponseWithType(results, elementType);
if (response != null)
{
response.Error = ex;
throw new DataServiceQueryException(Strings.DataServiceException_GeneralError, ex, response);
}
throw;
}
}
/// <summary>
/// Write the entry element.
/// </summary>
/// <param name="entityDescriptor">The entity.</param>
/// <param name="relatedLinks">Collection of links related to the entity.</param>
/// <param name="requestMessage">The OData request message.</param>
internal void WriteEntry(EntityDescriptor entityDescriptor, IEnumerable <LinkDescriptor> relatedLinks, ODataRequestMessageWrapper requestMessage)
{
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation entityType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType()));
using (ODataMessageWriter messageWriter = Serializer.CreateMessageWriter(requestMessage, this.requestInfo, false /*isParameterPayload*/))
{
ODataWriterWrapper entryWriter = ODataWriterWrapper.CreateForEntry(messageWriter, this.requestInfo.Configurations.RequestPipeline);
// Get the server type name using the type resolver or from the entity descriptor
string serverTypeName = this.requestInfo.GetServerTypeName(entityDescriptor);
var entry = CreateODataEntry(entityDescriptor, serverTypeName, entityType, this.requestInfo.Format);
if (serverTypeName == null)
{
serverTypeName = this.requestInfo.InferServerTypeNameFromServerModel(entityDescriptor);
}
IEnumerable <ClientPropertyAnnotation> properties;
if ((!Util.IsFlagSet(this.options, SaveChangesOptions.ReplaceOnUpdate) &&
entityDescriptor.State == EntityStates.Modified &&
entityDescriptor.PropertiesToSerialize.Any()) ||
(Util.IsFlagSet(this.options, SaveChangesOptions.PostOnlySetProperties) &&
entityDescriptor.State == EntityStates.Added))
{
properties = entityType.PropertiesToSerialize().Where(prop => entityDescriptor.PropertiesToSerialize.Contains(prop.PropertyName));
}
else
{
properties = entityType.PropertiesToSerialize();
}
entry.Properties = this.propertyConverter.PopulateProperties(entityDescriptor.Entity, serverTypeName, properties);
entryWriter.WriteStart(entry, entityDescriptor.Entity);
this.WriteNestedComplexProperties(entityDescriptor.Entity, serverTypeName, properties, entryWriter);
if (EntityStates.Added == entityDescriptor.State)
{
this.WriteNestedResourceInfo(entityDescriptor, relatedLinks, entryWriter);
}
entryWriter.WriteEnd(entry, entityDescriptor.Entity);
}
}
/// <summary>
/// Converts CLR value into ODataEnumValue.
/// </summary>
/// <param name="enumClrType">The CLR type.</param>
/// <param name="value">The Enum value.</param>
/// <param name="isCollectionItem">The bool isCollectionItem.</param>
/// <returns>An ODataEnumValue instance.</returns>
internal ODataEnumValue CreateODataEnumValue(Type enumClrType, object value, bool isCollectionItem)
{
Debug.Assert(enumClrType != null && enumClrType.IsEnum(), "enumClrType != null && enumClrType.IsEnum");
Debug.Assert(value != null || !isCollectionItem, "Collection items must not be null");
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation enumTypeAnnotation = model.GetClientTypeAnnotation(enumClrType);
Debug.Assert(enumTypeAnnotation != null, "enumTypeAnnotation != null");
Debug.Assert(!enumTypeAnnotation.IsEntityType, "Unexpected entity");
// Handle null value by putting m:null="true"
if (value == null)
{
Debug.Assert(!isCollectionItem, "Null collection items are not supported. Should have already been checked.");
return(null);
}
return(new ODataEnumValue(ClientTypeUtil.GetEnumValuesString(value.ToString(), enumClrType), enumTypeAnnotation.ElementTypeName));
}
/// <summary>
/// Writes the body operation parameters associated with a ServiceAction. For each BodyOperationParameter:
/// 1. calls ODataPropertyConverter to convert CLR object into ODataValue/primitive values.
/// 2. then calls ODataParameterWriter to write the ODataValue/primitive values.
/// </summary>
/// <param name="operationParameters">The list of operation parameters to write.</param>
/// <param name="requestMessage">The OData request message used to write the operation parameters.</param>
internal void WriteBodyOperationParameters(List <BodyOperationParameter> operationParameters, ODataRequestMessageWrapper requestMessage)
{
Debug.Assert(requestMessage != null, "requestMessage != null");
Debug.Assert(operationParameters != null, "operationParameters != null");
Debug.Assert(operationParameters.Any(), "operationParameters.Any()");
using (ODataMessageWriter messageWriter = Serializer.CreateMessageWriter(requestMessage, this.requestInfo, true /*isParameterPayload*/))
{
ODataParameterWriter parameterWriter = messageWriter.CreateODataParameterWriter(null);
parameterWriter.WriteStart();
foreach (BodyOperationParameter operationParameter in operationParameters)
{
if (operationParameter.Value == null)
{
parameterWriter.WriteValue(operationParameter.Name, operationParameter.Value);
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(operationParameter.Value.GetType());
Debug.Assert(edmType != null, "edmType != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Collection:
{
this.WriteCollectionValueInBodyOperationParameter(parameterWriter, operationParameter, (IEdmCollectionType)edmType);
break;
}
case EdmTypeKind.Complex:
case EdmTypeKind.Entity:
{
Debug.Assert(model.GetClientTypeAnnotation(edmType).ElementType != null, "model.GetClientTypeAnnotation(edmType).ElementType != null");
ODataResourceWrapper entry = this.CreateODataResourceFromEntityOperationParameter(model.GetClientTypeAnnotation(edmType), operationParameter.Value);
Debug.Assert(entry != null, "entry != null");
var entryWriter = parameterWriter.CreateResourceWriter(operationParameter.Name);
ODataWriterHelper.WriteResource(entryWriter, entry);
break;
}
case EdmTypeKind.Primitive:
object primitiveValue = ODataPropertyConverter.ConvertPrimitiveValueToRecognizedODataType(operationParameter.Value, operationParameter.Value.GetType());
parameterWriter.WriteValue(operationParameter.Name, primitiveValue);
break;
case EdmTypeKind.Enum:
ODataEnumValue tmp = this.propertyConverter.CreateODataEnumValue(
model.GetClientTypeAnnotation(edmType).ElementType,
operationParameter.Value,
false);
parameterWriter.WriteValue(operationParameter.Name, tmp);
break;
default:
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(operationParameter.Name, edmType.TypeKind));
}
} // else
} // foreach
parameterWriter.WriteEnd();
parameterWriter.Flush();
}
}
/// <summary>Obtain binding info corresponding to a given type</summary>
/// <param name="entityType">Type for which to obtain information</param>
/// <param name="model">The client model.</param>
/// <returns>Info about the <paramref name="entityType"/></returns>
private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType, ClientEdmModel model)
{
BindingEntityInfoPerType bindingEntityInfo;
metadataCacheLock.EnterReadLock();
try
{
if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
{
return(bindingEntityInfo);
}
}
finally
{
metadataCacheLock.ExitReadLock();
}
bindingEntityInfo = new BindingEntityInfoPerType();
// Try to get the entity set name from the EntitySetAttribute attributes. In order to make the
// inheritance work, we need to look at the attributes declared in the base types also.
// EntitySetAttribute does not allow multiples, so there can be at most 1 instance on the type.
EntitySetAttribute entitySetAttribute = (EntitySetAttribute)entityType.GetCustomAttributes(typeof(EntitySetAttribute), true).SingleOrDefault();
// There must be exactly one (unambiguous) EntitySetAttribute attribute.
bindingEntityInfo.EntitySet = entitySetAttribute != null ? entitySetAttribute.EntitySet : null;
bindingEntityInfo.ClientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityType));
foreach (ClientPropertyAnnotation p in bindingEntityInfo.ClientType.Properties())
{
BindingPropertyInfo bpi = null;
Type propertyType = p.PropertyType;
if (p.IsStreamLinkProperty)
{
// DataServiceStreamLink is not mutable externally
// It implements INPC to notify controls about our updates
// We should ignore its events since we are the only one updating it.
continue;
}
else if (p.IsPrimitiveOrEnumOrComplexCollection)
{
Debug.Assert(!BindingEntityInfo.IsDataServiceCollection(propertyType, model), "DataServiceCollection cannot be the type that backs collections of primitives or complex types.");
bpi = new BindingPropertyInfo {
PropertyKind = BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection
};
}
else if (p.IsEntityCollection)
{
if (BindingEntityInfo.IsDataServiceCollection(propertyType, model))
{
bpi = new BindingPropertyInfo {
PropertyKind = BindingPropertyKind.BindingPropertyKindDataServiceCollection
};
}
}
else if (BindingEntityInfo.IsEntityType(propertyType, model))
{
bpi = new BindingPropertyInfo {
PropertyKind = BindingPropertyKind.BindingPropertyKindEntity
};
}
else if (BindingEntityInfo.CanBeComplexType(propertyType))
{
// Add complex types and nothing else.
Debug.Assert(!p.IsKnownType, "Known types do not implement INotifyPropertyChanged.");
bpi = new BindingPropertyInfo {
PropertyKind = BindingPropertyKind.BindingPropertyKindComplex
};
}
if (bpi != null)
{
bpi.PropertyInfo = p;
// For entity types, all of the above types of properties are interesting.
// For complex types, only observe collections and complex type properties.
if (bindingEntityInfo.ClientType.IsEntityType ||
bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex ||
bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection)
{
bindingEntityInfo.ObservableProperties.Add(bpi);
}
}
}
metadataCacheLock.EnterWriteLock();
try
{
if (!bindingEntityInfos.ContainsKey(entityType))
{
bindingEntityInfos[entityType] = bindingEntityInfo;
}
}
finally
{
metadataCacheLock.ExitWriteLock();
}
return(bindingEntityInfo);
}
/// <summary>Obtain binding info corresponding to a given type</summary>
/// <param name="entityType">Type for which to obtain information</param>
/// <param name="model">The client model.</param>
/// <returns>Info about the <paramref name="entityType"/></returns>
private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType, ClientEdmModel model)
{
BindingEntityInfoPerType bindingEntityInfo;
metadataCacheLock.EnterReadLock();
try
{
if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
{
return bindingEntityInfo;
}
}
finally
{
metadataCacheLock.ExitReadLock();
}
bindingEntityInfo = new BindingEntityInfoPerType();
// Try to get the entity set name from the EntitySetAttribute attributes. In order to make the
// inheritance work, we need to look at the attributes declared in the base types also.
// EntitySetAttribute does not allow multiples, so there can be at most 1 instance on the type.
EntitySetAttribute entitySetAttribute = (EntitySetAttribute)entityType.GetCustomAttributes(typeof(EntitySetAttribute), true).SingleOrDefault();
// There must be exactly one (unambiguous) EntitySetAttribute attribute.
bindingEntityInfo.EntitySet = entitySetAttribute != null ? entitySetAttribute.EntitySet : null;
bindingEntityInfo.ClientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityType));
foreach (ClientPropertyAnnotation p in bindingEntityInfo.ClientType.Properties())
{
BindingPropertyInfo bpi = null;
Type propertyType = p.PropertyType;
if (p.IsStreamLinkProperty)
{
// DataServiceStreamLink is not mutable externally
// It implements INPC to notify controls about our updates
// We should ignore its events since we are the only one updating it.
continue;
}
else if (p.IsPrimitiveOrEnumOrComplexCollection)
{
Debug.Assert(!BindingEntityInfo.IsDataServiceCollection(propertyType, model), "DataServiceCollection cannot be the type that backs collections of primitives or complex types.");
bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection };
}
else if (p.IsEntityCollection)
{
if (BindingEntityInfo.IsDataServiceCollection(propertyType, model))
{
bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindDataServiceCollection };
}
}
else if (BindingEntityInfo.IsEntityType(propertyType, model))
{
bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindEntity };
}
else if (BindingEntityInfo.CanBeComplexType(propertyType))
{
// Add complex types and nothing else.
Debug.Assert(!p.IsKnownType, "Known types do not implement INotifyPropertyChanged.");
bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindComplex };
}
if (bpi != null)
{
bpi.PropertyInfo = p;
// For entity types, all of the above types of properties are interesting.
// For complex types, only observe collections and complex type properties.
if (bindingEntityInfo.ClientType.IsEntityType ||
bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex ||
bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection)
{
bindingEntityInfo.ObservableProperties.Add(bpi);
}
}
}
metadataCacheLock.EnterWriteLock();
try
{
if (!bindingEntityInfos.ContainsKey(entityType))
{
bindingEntityInfos[entityType] = bindingEntityInfo;
}
}
finally
{
metadataCacheLock.ExitWriteLock();
}
return bindingEntityInfo;
}
/// <summary>
/// Writes the body operation parameters associated with a ServiceAction. For each BodyOperationParameter:
/// 1. calls ODataPropertyConverter to convert CLR object into ODataValue/primitive values.
/// 2. then calls ODataParameterWriter to write the ODataValue/primitive values.
/// </summary>
/// <param name="operationParameters">The list of operation parameters to write.</param>
/// <param name="requestMessage">The OData request message used to write the operation parameters.</param>
internal void WriteBodyOperationParameters(List <BodyOperationParameter> operationParameters, ODataRequestMessageWrapper requestMessage)
{
Debug.Assert(requestMessage != null, "requestMessage != null");
Debug.Assert(operationParameters != null, "operationParameters != null");
Debug.Assert(operationParameters.Any(), "operationParameters.Any()");
using (ODataMessageWriter messageWriter = Serializer.CreateMessageWriter(requestMessage, this.requestInfo, true /*isParameterPayload*/))
{
ODataParameterWriter parameterWriter = messageWriter.CreateODataParameterWriter((IEdmOperation)null);
parameterWriter.WriteStart();
foreach (OperationParameter operationParameter in operationParameters)
{
if (operationParameter.Value == null)
{
parameterWriter.WriteValue(operationParameter.Name, operationParameter.Value);
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(operationParameter.Value.GetType());
Debug.Assert(edmType != null, "edmType != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Collection:
{
// TODO: just call ODataPropertyConverter.CreateODataCollection()
IEnumerator enumerator = ((ICollection)operationParameter.Value).GetEnumerator();
ODataCollectionWriter collectionWriter = parameterWriter.CreateCollectionWriter(operationParameter.Name);
ODataCollectionStart odataCollectionStart = new ODataCollectionStart();
collectionWriter.WriteStart(odataCollectionStart);
while (enumerator.MoveNext())
{
Object collectionItem = enumerator.Current;
if (collectionItem == null)
{
throw new NotSupportedException(Strings.Serializer_NullCollectionParamterItemValue(operationParameter.Name));
}
IEdmType edmItemType = model.GetOrCreateEdmType(collectionItem.GetType());
Debug.Assert(edmItemType != null, "edmItemType != null");
switch (edmItemType.TypeKind)
{
case EdmTypeKind.Complex:
{
Debug.Assert(model.GetClientTypeAnnotation(edmItemType).ElementType != null, "edmItemType.GetClientTypeAnnotation().ElementType != null");
ODataComplexValue complexValue = this.propertyConverter.CreateODataComplexValue(
model.GetClientTypeAnnotation(edmItemType).ElementType,
collectionItem,
null /*propertyName*/,
false /*isCollectionItem*/,
null /*visitedComplexTypeObjects*/);
Debug.Assert(complexValue != null, "complexValue != null");
collectionWriter.WriteItem(complexValue);
break;
}
case EdmTypeKind.Primitive:
{
object primitiveItemValue = ODataPropertyConverter.ConvertPrimitiveValueToRecognizedODataType(collectionItem, collectionItem.GetType());
collectionWriter.WriteItem(primitiveItemValue);
break;
}
case EdmTypeKind.Enum:
{
ODataEnumValue enumTmp = this.propertyConverter.CreateODataEnumValue(
model.GetClientTypeAnnotation(edmItemType).ElementType,
collectionItem,
false);
collectionWriter.WriteItem(enumTmp);
break;
}
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidCollectionParamterItemType(operationParameter.Name, edmItemType.TypeKind));
}
}
collectionWriter.WriteEnd();
collectionWriter.Flush();
break;
}
case EdmTypeKind.Complex:
{
Debug.Assert(model.GetClientTypeAnnotation(edmType).ElementType != null, "model.GetClientTypeAnnotation(edmType).ElementType != null");
ODataComplexValue complexValue = this.propertyConverter.CreateODataComplexValue(
model.GetClientTypeAnnotation(edmType).ElementType,
operationParameter.Value,
null /*propertyName*/,
false /*isCollectionItemType*/,
null /*visitedComplexTypeObjects*/);
Debug.Assert(complexValue != null, "complexValue != null");
parameterWriter.WriteValue(operationParameter.Name, complexValue);
break;
}
case EdmTypeKind.Primitive:
object primitiveValue = ODataPropertyConverter.ConvertPrimitiveValueToRecognizedODataType(operationParameter.Value, operationParameter.Value.GetType());
parameterWriter.WriteValue(operationParameter.Name, primitiveValue);
break;
case EdmTypeKind.Enum:
ODataEnumValue tmp = this.propertyConverter.CreateODataEnumValue(
model.GetClientTypeAnnotation(edmType).ElementType,
operationParameter.Value,
false);
parameterWriter.WriteValue(operationParameter.Name, tmp);
break;
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(operationParameter.Name, edmType.TypeKind));
}
} // else
} // foreach
parameterWriter.WriteEnd();
parameterWriter.Flush();
}
}
private string ConvertToEscapedUriValue(string paramName, object value)
{
Debug.Assert(!string.IsNullOrEmpty(paramName), "!string.IsNullOrEmpty(paramName)");
Object valueInODataFormat = null;
// Literal values with single quotes need special escaping due to System.Uri changes in behavior between .NET 4.0 and 4.5.
// We need to ensure that our escaped values do not change between those versions, so we need to escape values differently when they could contain single quotes.
bool needsSpecialEscaping = false;
if (value == null)
{
needsSpecialEscaping = true;
}
else
{
if (value is ODataNullValue)
{
valueInODataFormat = value;
needsSpecialEscaping = true;
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(value.GetType());
Debug.Assert(edmType != null, "edmType != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Primitive:
valueInODataFormat = value;
needsSpecialEscaping = true;
break;
case EdmTypeKind.Enum:
{
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
string typeNameInEdm = this.requestInfo.GetServerTypeName(model.GetClientTypeAnnotation(edmType));
MemberInfo member = typeAnnotation.ElementType.GetMember(value.ToString()).FirstOrDefault();
if (member == null)
{
throw new NotSupportedException(Strings.Serializer_InvalidEnumMemberValue(typeAnnotation.ElementType.Name, value.ToString()));
}
string memberValue = ClientTypeUtil.GetServerDefinedName(member);
valueInODataFormat = new ODataEnumValue(memberValue, typeNameInEdm ?? typeAnnotation.ElementTypeName);
needsSpecialEscaping = true;
}
break;
case EdmTypeKind.Complex:
{
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
valueInODataFormat = this.propertyConverter.CreateODataComplexValue(typeAnnotation.ElementType, value, null /*propertyName*/, false /*isCollectionItemType*/, null /*visitedComplexTypeObjects*/);
// When using JsonVerbose to format query string parameters for Actions,
// we cannot write out Complex values in the URI without the type name of the complex type in the JSON payload.
// If this value is null, the client has to set the ResolveName property on the DataServiceContext instance.
ODataComplexValue complexValue = (ODataComplexValue)valueInODataFormat;
SerializationTypeNameAnnotation serializedTypeNameAnnotation = complexValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (serializedTypeNameAnnotation == null || string.IsNullOrEmpty(serializedTypeNameAnnotation.TypeName))
{
throw Error.InvalidOperation(Strings.DataServiceException_GeneralError);
}
}
break;
case EdmTypeKind.Collection:
IEdmCollectionType edmCollectionType = edmType as IEdmCollectionType;
Debug.Assert(edmCollectionType != null, "edmCollectionType != null");
IEdmTypeReference itemTypeReference = edmCollectionType.ElementType;
Debug.Assert(itemTypeReference != null, "itemTypeReference != null");
ClientTypeAnnotation itemTypeAnnotation = model.GetClientTypeAnnotation(itemTypeReference.Definition);
Debug.Assert(itemTypeAnnotation != null, "itemTypeAnnotation != null");
switch (itemTypeAnnotation.EdmType.TypeKind)
{
// We only support primitive, Enum or complex type as a collection item type.
case EdmTypeKind.Primitive:
case EdmTypeKind.Enum:
case EdmTypeKind.Complex:
break;
default:
throw new NotSupportedException(Strings.Serializer_InvalidCollectionParamterItemType(paramName, itemTypeAnnotation.EdmType.TypeKind));
}
valueInODataFormat = this.propertyConverter.CreateODataCollection(
itemTypeAnnotation.ElementType,
null /*propertyName*/,
value,
null /*visitedComplexTypeObjects*/);
break;
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(paramName, edmType.TypeKind));
}
}
Debug.Assert(valueInODataFormat != null, "valueInODataFormat != null");
}
// When calling Execute() to invoke an Action, the client doesn't support parsing the target url
// to determine which IEdmOperationImport to pass to the ODL writer. So the ODL writer is
// serializing the parameter payload without metadata. Setting the model to null so ODL doesn't
// do unecessary validations when writing without metadata.
string literal = ODataUriUtils.ConvertToUriLiteral(valueInODataFormat, CommonUtil.ConvertToODataVersion(this.requestInfo.MaxProtocolVersionAsVersion), null /* edmModel */);
// The value from ConvertToUriValue will not be escaped, but will already contain literal delimiters like single quotes, so we
// need to use our own escape method that will preserve those characters instead of directly calling Uri.EscapeDataString that may escape them.
// This is only necessary for primitives and nulls because the other structures are serialized using the JSON format and it uses double quotes
// which have always been escaped.
if (needsSpecialEscaping)
{
return(DataStringEscapeBuilder.EscapeDataString(literal));
}
return(Uri.EscapeDataString(literal));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="source">Source entity</param>
/// <param name="sourceProperty">Navigation property on the source entity</param>
/// <param name="target">Target entity</param>
/// <param name="model">The client model.</param>
internal LinkDescriptor(object source, string sourceProperty, object target, ClientEdmModel model)
: this(source, sourceProperty, target, EntityStates.Unchanged)
{
this.IsSourcePropertyCollection = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(source.GetType())).GetProperty(sourceProperty, false).IsEntityCollection;
}
/// <summary>
/// Converts the object to ODataValue, the result could be null, the original primitive object, ODataNullValue,
/// ODataEnumValue, ODataCollectionValue, ODataResource, ODataEntityReferenceLinks, ODataEntityReferenceLinks, or
/// a list of ODataResource.
/// </summary>
/// <param name="paramName">The name of the <see cref="UriOperationParameter"/>. Used for error reporting.</param>
/// <param name="value">The value of the <see cref="UriOperationParameter"/>.</param>
/// <param name="needsSpecialEscaping">True if the result need special escaping.</param>
/// <param name="useEntityReference">If true, use entity reference, instead of entity to serialize the parameter.</param>
/// <returns>The converted result.</returns>
private object ConvertToODataValue(string paramName, object value, ref bool needsSpecialEscaping, bool useEntityReference)
{
Object valueInODataFormat = null;
if (value == null)
{
needsSpecialEscaping = true;
}
else if (value is ODataNullValue)
{
valueInODataFormat = value;
needsSpecialEscaping = true;
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(value.GetType());
Debug.Assert(edmType != null, "edmType != null");
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Primitive:
// Client lib internal conversion to support DateTime
if (value is DateTime)
{
valueInODataFormat = PlatformHelper.ConvertDateTimeToDateTimeOffset((DateTime)value);
}
else
{
valueInODataFormat = value;
}
needsSpecialEscaping = true;
break;
case EdmTypeKind.Enum:
string typeNameInEdm = this.requestInfo.GetServerTypeName(model.GetClientTypeAnnotation(edmType));
valueInODataFormat =
new ODataEnumValue(
ClientTypeUtil.GetEnumValuesString(value.ToString(), typeAnnotation.ElementType),
typeNameInEdm ?? typeAnnotation.ElementTypeName);
needsSpecialEscaping = true;
break;
case EdmTypeKind.Collection:
IEdmCollectionType edmCollectionType = edmType as IEdmCollectionType;
Debug.Assert(edmCollectionType != null, "edmCollectionType != null");
IEdmTypeReference itemTypeReference = edmCollectionType.ElementType;
Debug.Assert(itemTypeReference != null, "itemTypeReference != null");
ClientTypeAnnotation itemTypeAnnotation =
model.GetClientTypeAnnotation(itemTypeReference.Definition);
Debug.Assert(itemTypeAnnotation != null, "itemTypeAnnotation != null");
valueInODataFormat = ConvertToCollectionValue(paramName, value, itemTypeAnnotation, useEntityReference);
break;
case EdmTypeKind.Complex:
case EdmTypeKind.Entity:
Debug.Assert(edmType.TypeKind == EdmTypeKind.Complex || value != null, "edmType.TypeKind == EdmTypeKind.Complex || value != null");
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
valueInODataFormat = ConvertToEntityValue(value, typeAnnotation.ElementType, useEntityReference);
break;
default:
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(paramName, edmType.TypeKind));
}
Debug.Assert(valueInODataFormat != null, "valueInODataFormat != null");
}
return(valueInODataFormat);
}
/// <summary>
/// Writes collection value in body operation parameter.
/// </summary>
/// <param name="parameterWriter">The odata parameter writer.</param>
/// <param name="operationParameter">The operation parameter.</param>
/// <param name="edmCollectionType">The edm collection type.</param>
private void WriteCollectionValueInBodyOperationParameter(ODataParameterWriter parameterWriter, BodyOperationParameter operationParameter, IEdmCollectionType edmCollectionType)
{
ClientEdmModel model = this.requestInfo.Model;
var elementTypeKind = edmCollectionType.ElementType.TypeKind();
if (elementTypeKind == EdmTypeKind.Entity || elementTypeKind == EdmTypeKind.Complex)
{
ODataWriter feedWriter = parameterWriter.CreateResourceSetWriter(operationParameter.Name);
feedWriter.WriteStart(new ODataResourceSet());
IEnumerator enumerator = ((ICollection)operationParameter.Value).GetEnumerator();
while (enumerator.MoveNext())
{
Object collectionItem = enumerator.Current;
if (collectionItem == null)
{
if (elementTypeKind == EdmTypeKind.Complex)
{
feedWriter.WriteStart((ODataResource)null);
feedWriter.WriteEnd();
continue;
}
else
{
throw new NotSupportedException(Strings.Serializer_NullCollectionParamterItemValue(operationParameter.Name));
}
}
IEdmType edmItemType = model.GetOrCreateEdmType(collectionItem.GetType());
Debug.Assert(edmItemType != null, "edmItemType != null");
if (edmItemType.TypeKind != EdmTypeKind.Entity && edmItemType.TypeKind != EdmTypeKind.Complex)
{
throw new NotSupportedException(Strings.Serializer_InvalidCollectionParamterItemType(operationParameter.Name, edmItemType.TypeKind));
}
Debug.Assert(model.GetClientTypeAnnotation(edmItemType).ElementType != null, "edmItemType.GetClientTypeAnnotation().ElementType != null");
ODataResourceWrapper entry = this.CreateODataResourceFromEntityOperationParameter(model.GetClientTypeAnnotation(edmItemType), collectionItem);
Debug.Assert(entry != null, "entry != null");
ODataWriterHelper.WriteResource(feedWriter, entry);
}
feedWriter.WriteEnd();
feedWriter.Flush();
}
else
{
ODataCollectionWriter collectionWriter = parameterWriter.CreateCollectionWriter(operationParameter.Name);
ODataCollectionStart odataCollectionStart = new ODataCollectionStart();
collectionWriter.WriteStart(odataCollectionStart);
IEnumerator enumerator = ((ICollection)operationParameter.Value).GetEnumerator();
while (enumerator.MoveNext())
{
Object collectionItem = enumerator.Current;
if (collectionItem == null)
{
collectionWriter.WriteItem(null);
continue;
}
IEdmType edmItemType = model.GetOrCreateEdmType(collectionItem.GetType());
Debug.Assert(edmItemType != null, "edmItemType != null");
switch (edmItemType.TypeKind)
{
case EdmTypeKind.Primitive:
{
object primitiveItemValue = ODataPropertyConverter.ConvertPrimitiveValueToRecognizedODataType(collectionItem, collectionItem.GetType());
collectionWriter.WriteItem(primitiveItemValue);
break;
}
case EdmTypeKind.Enum:
{
ODataEnumValue enumTmp = this.propertyConverter.CreateODataEnumValue(model.GetClientTypeAnnotation(edmItemType).ElementType, collectionItem, false);
collectionWriter.WriteItem(enumTmp);
break;
}
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidCollectionParamterItemType(operationParameter.Name, edmItemType.TypeKind));
}
}
collectionWriter.WriteEnd();
collectionWriter.Flush();
}
}
/// <summary>
/// Writes a navigation link.
/// </summary>
/// <param name="entityDescriptor">The entity</param>
/// <param name="relatedLinks">The links related to the entity</param>
/// <param name="odataWriter">The ODataWriter used to write the navigation link.</param>
internal void WriteNestedResourceInfo(EntityDescriptor entityDescriptor, IEnumerable <LinkDescriptor> relatedLinks, ODataWriterWrapper odataWriter)
{
// TODO: create instance of odatawriter.
// TODO: send clientType once, so that we dont need entity descriptor
Debug.Assert(EntityStates.Added == entityDescriptor.State, "entity not added state");
Dictionary <string, List <LinkDescriptor> > groupRelatedLinks = new Dictionary <string, List <LinkDescriptor> >(EqualityComparer <string> .Default);
foreach (LinkDescriptor end in relatedLinks)
{
List <LinkDescriptor> linkDescriptorsList = null;
if (!groupRelatedLinks.TryGetValue(end.SourceProperty, out linkDescriptorsList))
{
linkDescriptorsList = new List <LinkDescriptor>();
groupRelatedLinks.Add(end.SourceProperty, linkDescriptorsList);
}
linkDescriptorsList.Add(end);
}
ClientTypeAnnotation clientType = null;
foreach (var grlinks in groupRelatedLinks)
{
if (null == clientType)
{
ClientEdmModel model = this.requestInfo.Model;
clientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType()));
}
bool isCollection = clientType.GetProperty(grlinks.Key, UndeclaredPropertyBehavior.ThrowException).IsEntityCollection;
bool started = false;
foreach (LinkDescriptor end in grlinks.Value)
{
Debug.Assert(!end.ContentGeneratedForSave, "already saved link");
end.ContentGeneratedForSave = true;
Debug.Assert(null != end.Target, "null is DELETE");
ODataNestedResourceInfo navigationLink = new ODataNestedResourceInfo();
navigationLink.Url = this.requestInfo.EntityTracker.GetEntityDescriptor(end.Target).GetLatestEditLink();
Debug.Assert(Uri.IsWellFormedUriString(UriUtil.UriToString(navigationLink.Url), UriKind.Absolute), "Uri.IsWellFormedUriString(targetEditLink, UriKind.Absolute)");
navigationLink.IsCollection = isCollection;
navigationLink.Name = grlinks.Key;
if (!started)
{
odataWriter.WriteNestedResourceInfoStart(navigationLink);
started = true;
}
odataWriter.WriteNestedResourceInfoStart(navigationLink, end.Source, end.Target);
odataWriter.WriteEntityReferenceLink(new ODataEntityReferenceLink()
{
Url = navigationLink.Url
}, end.Source, end.Target);
odataWriter.WriteNestedResourceInfoEnd(navigationLink, end.Source, end.Target);
}
odataWriter.WriteNestedResourceInfoEnd();
}
}
/// <summary>
/// Converts the object to ODataValue, the result could be null, the original primitive object, ODataNullValue,
/// ODataEnumValue, ODataCollectionValue, ODataEntry, ODataEntityReferenceLinks, ODataEntityReferenceLinks, or
/// a list of ODataEntry.
/// </summary>
/// <param name="paramName">The name of the <see cref="UriOperationParameter"/>. Used for error reporting.</param>
/// <param name="value">The value of the <see cref="UriOperationParameter"/>.</param>
/// <param name="needsSpecialEscaping">True if the result need special escaping.</param>
/// <param name="useEntityReference">If true, use entity reference, instead of entity to serialize the parameter.</param>
/// <returns>The converted result.</returns>
private object ConvertToODataValue(string paramName, object value, ref bool needsSpecialEscaping, bool useEntityReference)
{
Object valueInODataFormat = null;
if (value == null)
{
needsSpecialEscaping = true;
}
else if (value is ODataNullValue)
{
valueInODataFormat = value;
needsSpecialEscaping = true;
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(value.GetType());
Debug.Assert(edmType != null, "edmType != null");
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Primitive:
valueInODataFormat = value;
needsSpecialEscaping = true;
break;
case EdmTypeKind.Enum:
string typeNameInEdm = this.requestInfo.GetServerTypeName(model.GetClientTypeAnnotation(edmType));
valueInODataFormat =
new ODataEnumValue(
ClientTypeUtil.GetEnumValuesString(value.ToString(), typeAnnotation.ElementType),
typeNameInEdm ?? typeAnnotation.ElementTypeName);
needsSpecialEscaping = true;
break;
case EdmTypeKind.Complex:
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
valueInODataFormat = this.propertyConverter.CreateODataComplexValue(typeAnnotation.ElementType, value, null, false, null);
// When using JsonVerbose to format query string parameters for Actions,
// we cannot write out Complex values in the URI without the type name of the complex type in the JSON payload.
// If this value is null, the client has to set the ResolveName property on the DataServiceContext instance.
ODataComplexValue complexValue = (ODataComplexValue)valueInODataFormat;
SerializationTypeNameAnnotation serializedTypeNameAnnotation =
complexValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (serializedTypeNameAnnotation == null ||
string.IsNullOrEmpty(serializedTypeNameAnnotation.TypeName))
{
throw Error.InvalidOperation(Strings.DataServiceException_GeneralError);
}
break;
case EdmTypeKind.Collection:
IEdmCollectionType edmCollectionType = edmType as IEdmCollectionType;
Debug.Assert(edmCollectionType != null, "edmCollectionType != null");
IEdmTypeReference itemTypeReference = edmCollectionType.ElementType;
Debug.Assert(itemTypeReference != null, "itemTypeReference != null");
ClientTypeAnnotation itemTypeAnnotation =
model.GetClientTypeAnnotation(itemTypeReference.Definition);
Debug.Assert(itemTypeAnnotation != null, "itemTypeAnnotation != null");
valueInODataFormat = ConvertToCollectionValue(paramName, value, itemTypeAnnotation, useEntityReference);
break;
case EdmTypeKind.Entity:
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
valueInODataFormat = ConvertToEntityValue(value, typeAnnotation.ElementType, useEntityReference);
break;
default:
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(paramName, edmType.TypeKind));
}
Debug.Assert(valueInODataFormat != null, "valueInODataFormat != null");
}
return(valueInODataFormat);
}
/// <summary>
/// Check to see if the resource to be inserted is a media descriptor, and if so
/// setup a POST request for the media content first and turn the rest of
/// the operation into a PUT to update the rest of the properties.
/// </summary>
/// <param name="entityDescriptor">The resource to check/process</param>
/// <returns>An instance of ODataRequestMessage to do POST to the media resource</returns>
private ODataRequestMessageWrapper CheckAndProcessMediaEntryPost(EntityDescriptor entityDescriptor)
{
// TODO: Revisit the design of how media link entries are handled during update
ClientEdmModel model = this.RequestInfo.Model;
ClientTypeAnnotation type = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType()));
if (!type.IsMediaLinkEntry && !entityDescriptor.IsMediaLinkEntry)
{
// this is not a media link descriptor, process normally
return(null);
}
if (type.MediaDataMember == null && entityDescriptor.SaveStream == null)
{
// The entity is marked as MLE but we don't have the content property
// and the user didn't set the save stream.
throw Error.InvalidOperation(Strings.Context_MLEWithoutSaveStream(type.ElementTypeName));
}
Debug.Assert(
(type.MediaDataMember != null && entityDescriptor.SaveStream == null) ||
(type.MediaDataMember == null && entityDescriptor.SaveStream != null),
"Only one way of specifying the MR content is allowed.");
ODataRequestMessageWrapper mediaRequest = null;
if (type.MediaDataMember != null)
{
string contentType = null;
int contentLength = 0;
if (type.MediaDataMember.MimeTypeProperty == null)
{
contentType = XmlConstants.MimeApplicationOctetStream;
}
else
{
object mimeTypeValue = type.MediaDataMember.MimeTypeProperty.GetValue(entityDescriptor.Entity);
String mimeType = mimeTypeValue != null?mimeTypeValue.ToString() : null;
if (String.IsNullOrEmpty(mimeType))
{
throw Error.InvalidOperation(
Strings.Context_NoContentTypeForMediaLink(
type.ElementTypeName,
type.MediaDataMember.MimeTypeProperty.PropertyName));
}
contentType = mimeType;
}
object value = type.MediaDataMember.GetValue(entityDescriptor.Entity);
if (value == null)
{
this.mediaResourceRequestStream = null;
}
else
{
byte[] buffer = value as byte[];
if (buffer == null)
{
string mime;
Encoding encoding;
ContentTypeUtil.ReadContentType(contentType, out mime, out encoding);
if (encoding == null)
{
encoding = Encoding.UTF8;
contentType += XmlConstants.MimeTypeUtf8Encoding;
}
buffer = encoding.GetBytes(ClientConvert.ToString(value));
}
contentLength = buffer.Length;
// Need to specify that the buffer is publicly visible as we need to access it later on
this.mediaResourceRequestStream = new MemoryStream(buffer, 0, buffer.Length, false, true);
}
HeaderCollection headers = new HeaderCollection();
headers.SetHeader(XmlConstants.HttpContentLength, contentLength.ToString(CultureInfo.InvariantCulture));
headers.SetHeader(XmlConstants.HttpContentType, contentType);
mediaRequest = this.CreateMediaResourceRequest(
entityDescriptor.GetResourceUri(this.RequestInfo.BaseUriResolver, false /*queryLink*/),
XmlConstants.HttpMethodPost,
Util.ODataVersion4,
type.MediaDataMember == null, // sendChunked
true, // applyResponsePreference
headers,
entityDescriptor);
}
else
{
HeaderCollection headers = new HeaderCollection();
this.SetupMediaResourceRequest(headers, entityDescriptor.SaveStream, null /*etag*/);
mediaRequest = this.CreateMediaResourceRequest(
entityDescriptor.GetResourceUri(this.RequestInfo.BaseUriResolver, false /*queryLink*/),
XmlConstants.HttpMethodPost,
Util.ODataVersion4,
type.MediaDataMember == null, // sendChunked
true, // applyResponsePreference
headers,
entityDescriptor);
}
// Convert the insert into an update for the media link descriptor we just created
// (note that the identity still needs to be fixed up on the resbox once
// the response comes with the 'location' header; that happens during processing
// of the response in SavedResource())
entityDescriptor.State = EntityStates.Modified;
return(mediaRequest);
}