/// <summary>
/// Validates that the expected property allows null value.
/// </summary>
/// <param name="expectedPropertyTypeReference">The expected property type or null if we
/// don't have any.</param>
/// <param name="propertyName">The name of the property.</param>
/// <param name="model">The model used to get the OData version.</param>
public void ValidateNullPropertyValue(IEdmTypeReference expectedPropertyTypeReference,
string propertyName, IEdmModel model)
{
if (settings.ThrowIfTypeConflictsWithMetadata)
{
WriterValidationUtils.ValidateNullPropertyValue(expectedPropertyTypeReference, propertyName, model);
}
}
/// <summary>
/// Validates that the expected property allows null value.
/// </summary>
/// <param name="expectedPropertyTypeReference">The expected property type or null if we
/// don't have any.</param>
/// <param name="propertyName">The name of the property.</param>
/// <param name="isTopLevel">true if the property is top-level.</param>
/// <param name="model">The model used to get the OData version.</param>
public void ValidateNullPropertyValue(IEdmTypeReference expectedPropertyTypeReference,
string propertyName, bool isTopLevel, IEdmModel model)
{
if (settings.ThrowIfTypeConflictsWithMetadata)
{
WriterValidationUtils.ValidateNullPropertyValue(expectedPropertyTypeReference, propertyName, model);
}
if (isTopLevel && this.settings.LibraryCompatibility >= ODataLibraryCompatibility.Version7)
{
// From the spec:
// 11.2.3 Requesting Individual Properties
// ...
// If the property is single-valued and has the null value, the service responds with 204 No Content.
// ...
throw new ODataException(Strings.ODataMessageWriter_CannotWriteTopLevelNull);
}
}