/// <summary>
/// Gets the the CLR value for a primitive property.
/// </summary>
/// <param name="structuredValue">The structured value.</param>
/// <param name="propertyName">Name of the property.</param>
/// <returns>The clr value of the property.</returns>
internal static object GetPrimitivePropertyClrValue(this IEdmStructuredValue structuredValue, string propertyName)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(structuredValue != null, "entityInstance != null");
IEdmStructuredTypeReference valueType = structuredValue.Type.AsStructured();
IEdmPropertyValue propertyValue = structuredValue.FindPropertyValue(propertyName);
if (propertyValue == null)
{
throw new ODataException(ErrorStrings.EdmValueUtils_PropertyDoesntExist(valueType.FullName(), propertyName));
}
if (propertyValue.Value.ValueKind == EdmValueKind.Null)
{
return(null);
}
IEdmPrimitiveValue primitiveValue = propertyValue.Value as IEdmPrimitiveValue;
if (primitiveValue == null)
{
throw new ODataException(ErrorStrings.EdmValueUtils_NonPrimitiveValue(propertyValue.Name, valueType.FullName()));
}
return(primitiveValue.ToClrValue());
}
/// <summary>
/// Convert a primitive value which didn't match any of the known values of the TypeCode enumeration.
/// </summary>
/// <param name="primitiveValue">The value to convert.</param>
/// <param name="type">The expected primitive type or null.</param>
/// <returns>The converted value.</returns>
private static IEdmDelayedValue ConvertPrimitiveValueWithoutTypeCode(object primitiveValue, IEdmPrimitiveTypeReference type)
{
byte[] bytes = primitiveValue as byte[];
if (bytes != null)
{
IEdmBinaryTypeReference binaryType = (IEdmBinaryTypeReference)EnsurePrimitiveType(type, EdmPrimitiveTypeKind.Binary);
return(new EdmBinaryConstant(binaryType, bytes));
}
if (primitiveValue is Date)
{
IEdmPrimitiveTypeReference dateType = EnsurePrimitiveType(type, EdmPrimitiveTypeKind.Date);
return(new EdmDateConstant(dateType, (Date)primitiveValue));
}
if (primitiveValue is DateTimeOffset)
{
IEdmTemporalTypeReference dateTimeOffsetType = (IEdmTemporalTypeReference)EnsurePrimitiveType(type, EdmPrimitiveTypeKind.DateTimeOffset);
return(new EdmDateTimeOffsetConstant(dateTimeOffsetType, (DateTimeOffset)primitiveValue));
}
if (primitiveValue is Guid)
{
type = EnsurePrimitiveType(type, EdmPrimitiveTypeKind.Guid);
return(new EdmGuidConstant(type, (Guid)primitiveValue));
}
if (primitiveValue is TimeOfDay)
{
IEdmTemporalTypeReference timeOfDayType = (IEdmTemporalTypeReference)EnsurePrimitiveType(type, EdmPrimitiveTypeKind.TimeOfDay);
return(new EdmTimeOfDayConstant(timeOfDayType, (TimeOfDay)primitiveValue));
}
if (primitiveValue is TimeSpan)
{
IEdmTemporalTypeReference timeType = (IEdmTemporalTypeReference)EnsurePrimitiveType(type, EdmPrimitiveTypeKind.Duration);
return(new EdmDurationConstant(timeType, (TimeSpan)primitiveValue));
}
if (primitiveValue is ISpatial)
{
// TODO: [JsonLight] Add support for spatial values in ODataEdmStructuredValue
throw new NotImplementedException();
}
#if ODATA_CLIENT
IEdmDelayedValue convertPrimitiveValueWithoutTypeCode;
if (TryConvertClientSpecificPrimitiveValue(primitiveValue, type, out convertPrimitiveValueWithoutTypeCode))
{
return(convertPrimitiveValueWithoutTypeCode);
}
#endif
throw new ODataException(ErrorStrings.EdmValueUtils_UnsupportedPrimitiveType(primitiveValue.GetType().FullName));
}
/// <summary>
/// Gets the clr value of the edm value based on its type.
/// </summary>
/// <param name="edmValue">The edm value.</param>
/// <returns>The clr value</returns>
internal static object ToClrValue(this IEdmPrimitiveValue edmValue)
{
Debug.Assert(edmValue != null, "edmValue != null");
EdmPrimitiveTypeKind primitiveKind = edmValue.Type.PrimitiveKind();
switch (edmValue.ValueKind)
{
case EdmValueKind.Binary:
return(((IEdmBinaryValue)edmValue).Value);
case EdmValueKind.Boolean:
return(((IEdmBooleanValue)edmValue).Value);
case EdmValueKind.DateTimeOffset:
return(((IEdmDateTimeOffsetValue)edmValue).Value);
case EdmValueKind.Decimal:
return(((IEdmDecimalValue)edmValue).Value);
case EdmValueKind.Guid:
return(((IEdmGuidValue)edmValue).Value);
case EdmValueKind.String:
return(((IEdmStringValue)edmValue).Value);
case EdmValueKind.Duration:
return(((IEdmDurationValue)edmValue).Value);
case EdmValueKind.Floating:
return(ConvertFloatingValue((IEdmFloatingValue)edmValue, primitiveKind));
case EdmValueKind.Integer:
return(ConvertIntegerValue((IEdmIntegerValue)edmValue, primitiveKind));
case EdmValueKind.Date:
return(((IEdmDateValue)edmValue).Value);
case EdmValueKind.TimeOfDay:
return(((IEdmTimeOfDayValue)edmValue).Value);
}
throw new ODataException(ErrorStrings.EdmValueUtils_CannotConvertTypeToClrValue(edmValue.ValueKind));
}
/// <summary>
/// Gets the raw CLR value for the given <see cref="IEdmPropertyValue"/>.
/// </summary>
/// <param name="property">The property to get the value for.</param>
/// <param name="type">The type which declared the property.</param>
/// <returns>The raw CLR value of the property.</returns>
private static object GetPropertyValue(IEdmPropertyValue property, IEdmTypeReference type)
{
Debug.Assert(property != null, "property != null");
IEdmValue propertyValue = property.Value;
// DEVNOTE: though this check is not strictly necessary, and would be caught by later checks,
// it seems worthwhile to fail fast if we can.
if (propertyValue.ValueKind == EdmValueKind.Null)
{
throw Error.InvalidOperation(ErrorStrings.Context_NullKeysAreNotSupported(property.Name));
}
var primitiveValue = propertyValue as IEdmPrimitiveValue;
if (primitiveValue == null)
{
throw Error.InvalidOperation(ErrorStrings.ClientType_KeysMustBeSimpleTypes(property.Name, type.FullName(), propertyValue.Type.FullName()));
}
// DEVNOTE: This can return null, and will be handled later. The reason for this is that the client
// and server have different ways of getting property values, but both will eventually hit the same
// codepath and that is where the null is handled.
return(primitiveValue.ToClrValue());
}
/// <summary>
/// Ensures a primitive type reference for a given primitive type kind.
/// </summary>
/// <param name="type">The possibly null type reference.</param>
/// <param name="primitiveKindFromValue">The primitive type kind to ensure.</param>
/// <returns>An <see cref="IEdmPrimitiveTypeReference"/> instance created for the <paramref name="primitiveKindFromValue"/>
/// if <paramref name="type"/> is null; if <paramref name="type"/> is not null, validates it and then returns it.</returns>
private static IEdmPrimitiveTypeReference EnsurePrimitiveType(IEdmPrimitiveTypeReference type, EdmPrimitiveTypeKind primitiveKindFromValue)
{
if (type == null)
{
type = EdmCoreModel.Instance.GetPrimitive(primitiveKindFromValue, /*isNullable*/ true);
}
else
{
EdmPrimitiveTypeKind primitiveKindFromType = type.PrimitiveDefinition().PrimitiveKind;
if (primitiveKindFromType != primitiveKindFromValue)
{
string typeName = type.FullName();
if (typeName == null)
{
throw new ODataException(ErrorStrings.EdmValueUtils_IncorrectPrimitiveTypeKindNoTypeName(primitiveKindFromType.ToString(), primitiveKindFromValue.ToString()));
}
throw new ODataException(ErrorStrings.EdmValueUtils_IncorrectPrimitiveTypeKind(typeName, primitiveKindFromValue.ToString(), primitiveKindFromType.ToString()));
}
}
return(type);
}
