/// <summary>
/// Validates a type name to ensure that it's not an empty string and resolves it against the provided <paramref name="model"/>.
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeName">The type name to validate.</param>
/// <param name="expectedTypeKind">The expected type kind for the given type name.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>The type with the given name and kind if a user model was available, otherwise null.</returns>
internal static IEdmType ResolveAndValidateTypeName(IEdmModel model, string typeName, EdmTypeKind expectedTypeKind, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
if (typeName == null)
{
// if we have metadata, the type name of an entry must not be null
if (model.IsUserModel())
{
throw new ODataException(Strings.WriterValidationUtils_MissingTypeNameWithMetadata);
}
return null;
}
if (typeName.Length == 0)
{
throw new ODataException(Strings.ValidationUtils_TypeNameMustNotBeEmpty);
}
if (!model.IsUserModel())
{
return null;
}
// If we do have metadata, lookup the type and translate it to a type.
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForWrite(model, typeName);
if (resolvedType == null)
{
throw new ODataException(Strings.ValidationUtils_UnrecognizedTypeName(typeName));
}
writerValidator.ValidateTypeKind(resolvedType.TypeKind, expectedTypeKind, resolvedType);
return resolvedType;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="outputContext">The output context to write to.</param>
protected ODataSerializer(ODataOutputContext outputContext)
{
Debug.Assert(outputContext != null, "outputContext != null");
this.outputContext = outputContext;
this.WriterValidator = outputContext.WriterValidator;
}
/// <summary>
/// Constructs a <see cref="JsonLightInstanceAnnotationWriter"/> that can write a collection of <see cref="ODataInstanceAnnotation"/>.
/// </summary>
/// <param name="valueSerializer">The <see cref="IODataJsonLightValueSerializer"/> to use for writing values of instance annotations.
/// The <see cref="IJsonWriter"/> that is also used internally will be acquired from the this instance.</param>
/// <param name="typeNameOracle">The oracle to use to determine the type name to write for entries and values.</param>
internal JsonLightInstanceAnnotationWriter(IODataJsonLightValueSerializer valueSerializer, JsonLightTypeNameOracle typeNameOracle)
{
Debug.Assert(valueSerializer != null, "valueSerializer should not be null");
this.valueSerializer = valueSerializer;
this.typeNameOracle = typeNameOracle;
this.jsonWriter = this.valueSerializer.JsonWriter;
this.odataAnnotationWriter = new JsonLightODataAnnotationWriter(this.jsonWriter, valueSerializer.Settings.ODataSimplified);
this.writerValidator =
ValidatorFactory.CreateWriterValidator(this.valueSerializer.Settings.EnableFullValidation);
}
/// <summary>
/// Constructs a <see cref="JsonLightInstanceAnnotationWriter"/> that can write a collection of <see cref="ODataInstanceAnnotation"/>.
/// </summary>
/// <param name="valueSerializer">The <see cref="ODataJsonLightValueSerializer"/> to use for writing values of instance annotations.
/// The <see cref="IJsonWriter"/> that is also used internally will be acquired from the this instance.</param>
/// <param name="typeNameOracle">The oracle to use to determine the type name to write for entries and values.</param>
internal JsonLightInstanceAnnotationWriter(ODataJsonLightValueSerializer valueSerializer, JsonLightTypeNameOracle typeNameOracle)
{
Debug.Assert(valueSerializer != null, "valueSerializer should not be null");
this.valueSerializer = valueSerializer;
this.typeNameOracle = typeNameOracle;
this.jsonWriter = this.valueSerializer.JsonWriter;
this.odataAnnotationWriter = new JsonLightODataAnnotationWriter(this.jsonWriter,
valueSerializer.JsonLightOutputContext.ODataSimplifiedOptions.EnableWritingODataAnnotationWithoutPrefix, this.valueSerializer.MessageWriterSettings.Version);
this.writerValidator = this.valueSerializer.MessageWriterSettings.Validator;
}
/// <summary>
/// Constructs a <see cref="JsonLightInstanceAnnotationWriter"/> that can write a collection of <see cref="ODataInstanceAnnotation"/>.
/// </summary>
/// <param name="valueSerializer">The <see cref="IODataJsonLightValueSerializer"/> to use for writing values of instance annotations.
/// The <see cref="IJsonWriter"/> that is also used internally will be acquired from the this instance.</param>
/// <param name="typeNameOracle">The oracle to use to determine the type name to write for entries and values.</param>
internal JsonLightInstanceAnnotationWriter(IODataJsonLightValueSerializer valueSerializer, JsonLightTypeNameOracle typeNameOracle)
{
Debug.Assert(valueSerializer != null, "valueSerializer should not be null");
this.valueSerializer = valueSerializer;
this.typeNameOracle = typeNameOracle;
this.jsonWriter = this.valueSerializer.JsonWriter;
this.odataAnnotationWriter = new JsonLightODataAnnotationWriter(this.jsonWriter, valueSerializer.Settings.ODataSimplified);
this.writerValidator =
ValidatorFactory.CreateWriterValidator(this.valueSerializer.Settings.EnableFullValidation);
}
public static IWriterValidator CreateWriterValidator(bool enableFullValidation)
{
if (enableFullValidation)
{
return fullWriterValidator ?? (fullWriterValidator = new WriterValidatorFullValidation());
}
else
{
return minimalWriterValidator ?? (minimalWriterValidator = new WriterValidatorMinimalValidation());
}
}
public static IWriterValidator CreateWriterValidator(bool enableFullValidation)
{
if (enableFullValidation)
{
return(fullWriterValidator ?? (fullWriterValidator = new WriterValidatorFullValidation()));
}
else
{
return(minimalWriterValidator ?? (minimalWriterValidator = new WriterValidatorMinimalValidation()));
}
}
/// <summary>
/// Constructs a <see cref="JsonLightInstanceAnnotationWriter"/> that can write a collection of <see cref="ODataInstanceAnnotation"/>.
/// </summary>
/// <param name="valueSerializer">The <see cref="ODataJsonLightValueSerializer"/> to use for writing values of instance annotations.
/// The <see cref="IJsonWriter"/> that is also used internally will be acquired from the this instance.</param>
/// <param name="typeNameOracle">The oracle to use to determine the type name to write for entries and values.</param>
internal JsonLightInstanceAnnotationWriter(ODataJsonLightValueSerializer valueSerializer, JsonLightTypeNameOracle typeNameOracle)
{
Debug.Assert(valueSerializer != null, "valueSerializer should not be null");
this.valueSerializer = valueSerializer;
this.typeNameOracle = typeNameOracle;
this.jsonWriter = this.valueSerializer.JsonWriter;
this.odataAnnotationWriter = this.valueSerializer.ODataAnnotationWriter;
this.asynchronousJsonWriter = this.valueSerializer.AsynchronousJsonWriter;
this.asynchronousODataAnnotationWriter = this.valueSerializer.AsynchronousODataAnnotationWriter;
this.writerValidator = this.valueSerializer.MessageWriterSettings.Validator;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="format">The format for this output context.</param>
/// <param name="messageInfo">The context information for the message.</param>
/// <param name="messageWriterSettings">Configuration settings of the OData writer.</param>
protected ODataOutputContext(
ODataFormat format,
ODataMessageInfo messageInfo,
ODataMessageWriterSettings messageWriterSettings)
{
ExceptionUtils.CheckArgumentNotNull(format, "format");
ExceptionUtils.CheckArgumentNotNull(messageWriterSettings, "messageWriterSettings");
this.format = format;
this.messageWriterSettings = messageWriterSettings;
this.writingResponse = messageInfo.IsResponse;
this.synchronous = !messageInfo.IsAsync;
this.model = messageInfo.Model ?? EdmCoreModel.Instance;
this.payloadUriConverter = messageInfo.PayloadUriConverter;
this.container = messageInfo.Container;
this.edmTypeResolver = EdmTypeWriterResolver.Instance;
this.payloadValueConverter = ODataPayloadValueConverter.GetPayloadValueConverter(this.container);
this.writerValidator = messageWriterSettings.Validator;
this.odataSimplifiedOptions = ODataSimplifiedOptions.GetODataSimplifiedOptions(this.container, messageWriterSettings.Version);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="format">The format for this output context.</param>
/// <param name="messageWriterSettings">Configuration settings of the OData writer.</param>
/// <param name="writingResponse">true if writing a response message; otherwise false.</param>
/// <param name="synchronous">true if the output should be written synchronously; false if it should be written asynchronously.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param>
protected ODataOutputContext(
ODataFormat format,
ODataMessageWriterSettings messageWriterSettings,
bool writingResponse,
bool synchronous,
IEdmModel model,
IODataUrlResolver urlResolver)
{
ExceptionUtils.CheckArgumentNotNull(format, "format");
ExceptionUtils.CheckArgumentNotNull(messageWriterSettings, "messageWriterSettings");
this.format = format;
this.messageWriterSettings = messageWriterSettings;
this.writingResponse = writingResponse;
this.synchronous = synchronous;
this.model = model ?? EdmCoreModel.Instance;
this.urlResolver = urlResolver;
this.edmTypeResolver = EdmTypeWriterResolver.Instance;
this.payloadValueConverter = this.model.GetPayloadValueConverter();
this.writerValidator = ValidatorFactory.CreateWriterValidator(messageWriterSettings.EnableFullValidation);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="format">The format for this output context.</param>
/// <param name="messageWriterSettings">Configuration settings of the OData writer.</param>
/// <param name="writingResponse">true if writing a response message; otherwise false.</param>
/// <param name="synchronous">true if the output should be written synchronously; false if it should be written asynchronously.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param>
protected ODataOutputContext(
ODataFormat format,
ODataMessageWriterSettings messageWriterSettings,
bool writingResponse,
bool synchronous,
IEdmModel model,
IODataUrlResolver urlResolver)
{
ExceptionUtils.CheckArgumentNotNull(format, "format");
ExceptionUtils.CheckArgumentNotNull(messageWriterSettings, "messageWriterSettings");
this.format = format;
this.messageWriterSettings = messageWriterSettings;
this.writingResponse = writingResponse;
this.synchronous = synchronous;
this.model = model ?? EdmCoreModel.Instance;
this.urlResolver = urlResolver;
this.edmTypeResolver = EdmTypeWriterResolver.Instance;
this.payloadValueConverter = this.model.GetPayloadValueConverter();
this.writerValidator = ValidatorFactory.CreateWriterValidator(messageWriterSettings.EnableFullValidation);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="outputContext">The output context to write to.</param>
/// <param name="navigationSource">The navigation source we are going to write entities for.</param>
/// <param name="entityType">The entity type for the entries in the feed to be written (or null if the entity set base type should be used).</param>
/// <param name="writingFeed">True if the writer is created for writing a feed; false when it is created for writing an entry.</param>
/// <param name="writingDelta">True if the writer is created for writing a delta response; false otherwise.</param>
/// <param name="listener">If not null, the writer will notify the implementer of the interface of relevant state changes in the writer.</param>
protected ODataWriterCore(
ODataOutputContext outputContext,
IEdmNavigationSource navigationSource,
IEdmEntityType entityType,
bool writingFeed,
bool writingDelta = false,
IODataReaderWriterListener listener = null)
{
Debug.Assert(outputContext != null, "outputContext != null");
Debug.Assert(!writingDelta || outputContext.WritingResponse, "writingResponse must be true when writingDelta is true");
this.outputContext = outputContext;
this.writingFeed = writingFeed;
this.writingDelta = writingDelta;
this.WriterValidator = outputContext.WriterValidator;
// create a collection validator when writing a top-level feed and a user model is present
if (this.writingFeed && this.outputContext.Model.IsUserModel())
{
this.feedValidator = new FeedWithoutExpectedTypeValidator();
}
if (navigationSource != null && entityType == null)
{
entityType = this.outputContext.EdmTypeResolver.GetElementType(navigationSource);
}
ODataUri odataUri = outputContext.MessageWriterSettings.ODataUri.Clone();
// Remove key for top level entry
if (!writingFeed && odataUri != null && odataUri.Path != null)
{
odataUri.Path = odataUri.Path.TrimEndingKeySegment();
}
this.listener = listener;
this.scopes.Push(new Scope(WriterState.Start, /*item*/null, navigationSource, entityType, /*skipWriting*/false, outputContext.MessageWriterSettings.SelectedProperties, odataUri));
}
/// <summary>
/// Resolve a type name against the provided <paramref name="model"/>. If not payload type name is specified,
/// derive the type from the model type (if available).
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeReferenceFromMetadata">The type inferred from the model or null if the model is not a user model.</param>
/// <param name="complexValue">The value in question to resolve the type for.</param>
/// <param name="isOpenPropertyType">True if the type name belongs to an open property.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>A type for the <paramref name="complexValue"/> or null if no type name is specified and no metadata is available.</returns>
internal static IEdmTypeReference ResolveAndValidateTypeForComplexValue(IEdmModel model, IEdmTypeReference typeReferenceFromMetadata, ODataComplexValue complexValue, bool isOpenPropertyType, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
var typeName = complexValue.TypeName;
ValidateIfTypeNameMissing(typeName, model, isOpenPropertyType);
IEdmType typeFromValue = typeName == null ? null : ResolveAndValidateTypeName(model, typeName, EdmTypeKind.Complex, writerValidator);
if (typeReferenceFromMetadata != null)
{
writerValidator.ValidateTypeKind(EdmTypeKind.Complex, typeReferenceFromMetadata.TypeKind(), typeFromValue);
}
IEdmTypeReference typeReferenceFromValue = ResolveTypeFromMetadataAndValue(typeReferenceFromMetadata, typeFromValue == null ? null : typeFromValue.ToTypeReference(), writerValidator);
return(typeReferenceFromValue);
}
/// <summary>
/// Resolve a resource type name
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="expectedType">The type inferred from the model or null if the model is not a user model.</param>
/// <param name="typeName">Name of the type to resolve.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>A type for primitive value</returns>
internal static IEdmStructuredType ResolveAndValidateTypeFromTypeName(IEdmModel model, IEdmStructuredType expectedType, string typeName, IWriterValidator writerValidator)
{
if (typeName == null && expectedType != null)
{
return(expectedType);
}
// TODO: Clean up handling of expected types/sets during writing
IEdmType typeFromResource = ResolveAndValidateTypeName(model, typeName, EdmTypeKind.None, /* expectStructuredType */ true, writerValidator);
IEdmTypeReference typeReferenceFromValue = ResolveTypeFromMetadataAndValue(
expectedType.ToTypeReference(),
typeFromResource == null ? null : typeFromResource.ToTypeReference(),
writerValidator);
if (typeReferenceFromValue != null && typeReferenceFromValue.IsUntyped())
{
return(new EdmUntypedStructuredType());
}
return(typeReferenceFromValue == null ? null : typeReferenceFromValue.ToStructuredType());
}
/// <summary>
/// Validates that the (optional) <paramref name="typeReferenceFromMetadata"/> is the same as the (optional) <paramref name="typeReferenceFromValue"/>.
/// </summary>
/// <param name="typeReferenceFromMetadata">The (optional) type from the metadata definition (the expected type).</param>
/// <param name="typeReferenceFromValue">The (optional) type from the value (the actual type).</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>The type as derived from the <paramref name="typeReferenceFromMetadata"/> and/or <paramref name="typeReferenceFromValue"/>.</returns>
private static IEdmTypeReference ResolveTypeFromMetadataAndValue(IEdmTypeReference typeReferenceFromMetadata, IEdmTypeReference typeReferenceFromValue, IWriterValidator writerValidator)
{
if (typeReferenceFromMetadata == null)
{
// if we have no metadata information there is nothing to validate
return(typeReferenceFromValue);
}
if (typeReferenceFromValue == null)
{
// derive the property type from the metadata
return(typeReferenceFromMetadata);
}
Debug.Assert(typeReferenceFromValue.TypeKind() == typeReferenceFromMetadata.TypeKind(), "typeReferenceFromValue.TypeKind() == typeReferenceFromMetadata.TypeKind()");
writerValidator.ValidateTypeReference(typeReferenceFromMetadata, typeReferenceFromValue);
return(typeReferenceFromValue);
}
/// <summary>
/// Validates a type name to ensure that it's not an empty string and resolves it against the provided <paramref name="model"/>.
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeName">The type name to validate.</param>
/// <param name="expectedTypeKind">The expected type kind for the given type name.</param>
/// <param name="expectStructuredType">This value indicates if a structured type is expected to be return.
/// True for structured type, false for non-structured type, null for indetermination.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>The type with the given name and kind if a user model was available, otherwise null.</returns>
internal static IEdmType ResolveAndValidateTypeName(IEdmModel model, string typeName, EdmTypeKind expectedTypeKind, bool?expectStructuredType, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
Debug.Assert(
!expectStructuredType.HasValue ||
!expectStructuredType.Value && !expectedTypeKind.IsStructured() ||
expectStructuredType.Value && (expectedTypeKind.IsStructured() || expectedTypeKind == EdmTypeKind.None),
"!expectStructuredType.HasValue || !expectStructuredType.Value && !expectedTypeKind.IsStructured() || expectStructuredType.Value && (expectedTypeKind.IsStructured() || expectedTypeKind == EdmTypeKind.None)");
if (typeName == null)
{
// if we have metadata, the type name of a resource must not be null
if (model.IsUserModel())
{
throw new ODataException(Strings.WriterValidationUtils_MissingTypeNameWithMetadata);
}
return(null);
}
if (typeName.Length == 0)
{
throw new ODataException(Strings.ValidationUtils_TypeNameMustNotBeEmpty);
}
if (!model.IsUserModel())
{
return(null);
}
// If we do have metadata, lookup the type and translate it to a type.
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForWrite(model, typeName);
if (resolvedType == null)
{
throw new ODataException(Strings.ValidationUtils_UnrecognizedTypeName(typeName));
}
if (resolvedType.TypeKind != EdmTypeKind.Untyped)
{
writerValidator.ValidateTypeKind(resolvedType.TypeKind, expectedTypeKind, expectStructuredType, resolvedType);
}
return(resolvedType);
}
/// <summary>
/// Resolve a type name against the provided <paramref name="model"/>. If not payload type name is specified,
/// derive the type from the model type (if available).
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeReferenceFromMetadata">The type inferred from the model or null if the model is not a user model.</param>
/// <param name="collectionValue">The value in question to resolve the type for.</param>
/// <param name="isOpenPropertyType">True if the type name belongs to an open property.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>A type for the <paramref name="collectionValue"/> or null if no type name is specified and no metadata is available.</returns>
internal static IEdmTypeReference ResolveAndValidateTypeForCollectionValue(IEdmModel model, IEdmTypeReference typeReferenceFromMetadata, ODataCollectionValue collectionValue, bool isOpenPropertyType, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
var typeName = collectionValue.TypeName;
ValidateIfTypeNameMissing(typeName, model, isOpenPropertyType);
IEdmType typeFromValue = typeName == null ? null : ResolveAndValidateTypeName(model, typeName, EdmTypeKind.Collection, false, writerValidator);
if (typeReferenceFromMetadata != null)
{
writerValidator.ValidateTypeKind(EdmTypeKind.Collection, typeReferenceFromMetadata.TypeKind(), false, typeFromValue);
}
IEdmTypeReference typeReferenceFromValue = ResolveTypeFromMetadataAndValue(typeReferenceFromMetadata, typeFromValue == null ? null : typeFromValue.ToTypeReference(), writerValidator);
if (typeReferenceFromValue != null)
{
// update nullability from metadata
if (typeReferenceFromMetadata != null)
{
typeReferenceFromValue = typeReferenceFromMetadata;
}
// validate that the collection type represents a valid Collection type (e.g., is unordered).
typeReferenceFromValue = ValidationUtils.ValidateCollectionType(typeReferenceFromValue);
}
return(typeReferenceFromValue);
}
/// <summary>
/// Resolve a type name against the provided <paramref name="model"/>. If not payload type name is specified,
/// derive the type from the model type (if available).
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeReferenceFromMetadata">The type inferred from the model or null if the model is not a user model.</param>
/// <param name="resourceValue">The value in question to resolve the type for.</param>
/// <param name="isOpenPropertyType">True if the type name belongs to an open (dynamic) property.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>A type for the <paramref name="resourceValue"/> or null if no type name is specified and no metadata is available.</returns>
internal static IEdmTypeReference ResolveAndValidateTypeForResourceValue(IEdmModel model, IEdmTypeReference typeReferenceFromMetadata,
ODataResourceValue resourceValue, bool isOpenPropertyType, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
Debug.Assert(resourceValue != null, "resourceValue != null");
var typeName = resourceValue.TypeName;
ValidateIfTypeNameMissing(typeName, model, isOpenPropertyType);
// It's ok to use "EdmTypeKind.Complex" because the validation will check "IsStructured()".
IEdmType typeFromValue = typeName == null ? null : ResolveAndValidateTypeName(model, typeName, EdmTypeKind.Complex, true, writerValidator);
if (typeReferenceFromMetadata != null)
{
// It's ok to use "EdmTypeKind.Complex" because the parameter "expectStructuredType" is set to "true".
writerValidator.ValidateTypeKind(EdmTypeKind.Complex, typeReferenceFromMetadata.TypeKind(), true, typeFromValue);
}
return(ResolveTypeFromMetadataAndValue(typeReferenceFromMetadata,
typeFromValue == null ? null : typeFromValue.ToTypeReference(), writerValidator));
}
/// <summary>
/// Validates a type name to ensure that it's not an empty string and resolves it against the provided <paramref name="model"/>.
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeName">The type name to validate.</param>
/// <param name="expectedTypeKind">The expected type kind for the given type name.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>The type with the given name and kind if a user model was available, otherwise null.</returns>
internal static IEdmType ResolveAndValidateTypeName(IEdmModel model, string typeName, EdmTypeKind expectedTypeKind, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
if (typeName == null)
{
// if we have metadata, the type name of an entry must not be null
if (model.IsUserModel())
{
throw new ODataException(Strings.WriterValidationUtils_MissingTypeNameWithMetadata);
}
return(null);
}
if (typeName.Length == 0)
{
throw new ODataException(Strings.ValidationUtils_TypeNameMustNotBeEmpty);
}
if (!model.IsUserModel())
{
return(null);
}
// If we do have metadata, lookup the type and translate it to a type.
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForWrite(model, typeName);
if (resolvedType == null)
{
throw new ODataException(Strings.ValidationUtils_UnrecognizedTypeName(typeName));
}
writerValidator.ValidateTypeKind(resolvedType.TypeKind, expectedTypeKind, resolvedType);
return(resolvedType);
}
/// <summary>
/// Resolve a type name against the provided <paramref name="model"/>. If not payload type name is specified,
/// derive the type from the model type (if available).
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeReferenceFromMetadata">The type inferred from the model or null if the model is not a user model.</param>
/// <param name="complexValue">The value in question to resolve the type for.</param>
/// <param name="isOpenPropertyType">True if the type name belongs to an open property.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>A type for the <paramref name="complexValue"/> or null if no type name is specified and no metadata is available.</returns>
internal static IEdmTypeReference ResolveAndValidateTypeForComplexValue(IEdmModel model, IEdmTypeReference typeReferenceFromMetadata, ODataComplexValue complexValue, bool isOpenPropertyType, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
var typeName = complexValue.TypeName;
ValidateIfTypeNameMissing(typeName, model, isOpenPropertyType);
IEdmType typeFromValue = typeName == null ? null : ResolveAndValidateTypeName(model, typeName, EdmTypeKind.Complex, writerValidator);
if (typeReferenceFromMetadata != null)
{
writerValidator.ValidateTypeKind(EdmTypeKind.Complex, typeReferenceFromMetadata.TypeKind(), typeFromValue);
}
IEdmTypeReference typeReferenceFromValue = ResolveTypeFromMetadataAndValue(typeReferenceFromMetadata, typeFromValue == null ? null : typeFromValue.ToTypeReference(), writerValidator);
return typeReferenceFromValue;
}
/// <summary>
/// Validates that the (optional) <paramref name="typeReferenceFromMetadata"/> is the same as the (optional) <paramref name="typeReferenceFromValue"/>.
/// </summary>
/// <param name="typeReferenceFromMetadata">The (optional) type from the metadata definition (the expected type).</param>
/// <param name="typeReferenceFromValue">The (optional) type from the value (the actual type).</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>The type as derived from the <paramref name="typeReferenceFromMetadata"/> and/or <paramref name="typeReferenceFromValue"/>.</returns>
private static IEdmTypeReference ResolveTypeFromMetadataAndValue(IEdmTypeReference typeReferenceFromMetadata, IEdmTypeReference typeReferenceFromValue, IWriterValidator writerValidator)
{
if (typeReferenceFromMetadata == null)
{
// if we have no metadata information there is nothing to validate
return typeReferenceFromValue;
}
if (typeReferenceFromValue == null)
{
// derive the property type from the metadata
return typeReferenceFromMetadata;
}
Debug.Assert(typeReferenceFromValue.TypeKind() == typeReferenceFromMetadata.TypeKind(), "typeReferenceFromValue.TypeKind() == typeReferenceFromMetadata.TypeKind()");
writerValidator.ValidateTypeReference(typeReferenceFromMetadata, typeReferenceFromValue);
return typeReferenceFromValue;
}
/// <summary>
/// Resolve a type name against the provided <paramref name="model"/>. If not payload type name is specified,
/// derive the type from the model type (if available).
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="typeReferenceFromMetadata">The type inferred from the model or null if the model is not a user model.</param>
/// <param name="collectionValue">The value in question to resolve the type for.</param>
/// <param name="isOpenPropertyType">True if the type name belongs to an open property.</param>
/// <param name="writerValidator">The writer validator to use for validation.</param>
/// <returns>A type for the <paramref name="collectionValue"/> or null if no type name is specified and no metadata is available.</returns>
internal static IEdmTypeReference ResolveAndValidateTypeForCollectionValue(IEdmModel model, IEdmTypeReference typeReferenceFromMetadata, ODataCollectionValue collectionValue, bool isOpenPropertyType, IWriterValidator writerValidator)
{
Debug.Assert(model != null, "model != null");
var typeName = collectionValue.TypeName;
ValidateIfTypeNameMissing(typeName, model, isOpenPropertyType);
IEdmType typeFromValue = typeName == null ? null : ResolveAndValidateTypeName(model, typeName, EdmTypeKind.Collection, writerValidator);
if (typeReferenceFromMetadata != null)
{
writerValidator.ValidateTypeKind(EdmTypeKind.Collection, typeReferenceFromMetadata.TypeKind(), typeFromValue);
}
IEdmTypeReference typeReferenceFromValue = ResolveTypeFromMetadataAndValue(typeReferenceFromMetadata, typeFromValue == null ? null : typeFromValue.ToTypeReference(), writerValidator);
if (typeReferenceFromValue != null)
{
// update nullability from metadata
if (typeReferenceFromMetadata != null)
{
typeReferenceFromValue = typeReferenceFromMetadata;
}
// validate that the collection type represents a valid Collection type (e.g., is unordered).
typeReferenceFromValue = writerValidator.ValidateCollectionType(typeReferenceFromValue);
}
return typeReferenceFromValue;
}