/// <summary>
/// Writes a primitive value.
/// </summary>
/// <param name="value">The value to write.</param>
/// <param name="actualTypeReference">The actual type reference of the primitive value.</param>
/// <param name="expectedTypeReference">The expected type reference of the primitive value.</param>
public virtual void WritePrimitiveValue(
object value,
IEdmTypeReference actualTypeReference,
IEdmTypeReference expectedTypeReference)
{
Debug.Assert(value != null, "value != null");
if (actualTypeReference == null)
{
// Try convert primitive values from their actual CLR types to their underlying CLR types.
value = this.Model.ConvertToUnderlyingTypeIfUIntValue(value, expectedTypeReference);
actualTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());
}
ODataPayloadValueConverter converter = this.JsonLightOutputContext.PayloadValueConverter;
// Skip validation if user has set custom PayloadValueConverter
if (expectedTypeReference != null && converter.GetType() == typeof(ODataPayloadValueConverter))
{
this.WriterValidator.ValidateIsExpectedPrimitiveType(value, (IEdmPrimitiveTypeReference)actualTypeReference, expectedTypeReference);
}
value = converter.ConvertToPayloadValue(value, expectedTypeReference);
if (actualTypeReference != null && actualTypeReference.IsSpatial())
{
PrimitiveConverter.Instance.WriteJsonLight(value, this.JsonWriter);
}
else
{
this.JsonWriter.WritePrimitiveValue(value);
}
}
internal static object ConvertToPayloadValue(object value, ODataSerializerContext writeContext, ODataPayloadValueConverter payloadValueConverter)
{
Ensure.NotNull(writeContext, nameof(writeContext));
IEdmTypeReference edmTypeReference = null;
if (writeContext.Path != null)
{
// Try to get the EDM type of the value from the path.
var edmType = writeContext.Path.EdmType as IEdmPrimitiveType;
if (edmType != null)
{
// Just created to call the payload value converter.
edmTypeReference = new EdmPrimitiveTypeReference(edmType, true /*isNullable*/);
}
}
return(payloadValueConverter.ConvertToPayloadValue(value, edmTypeReference));
}
/// <summary>
/// Asynchronously writes a primitive value.
/// </summary>
/// <param name="value">The value to write.</param>
/// <param name="actualTypeReference">The actual type reference of the primitive value.</param>
/// <param name="expectedTypeReference">The expected type reference of the primitive value.</param>
/// <returns>A task that represents the asynchronous write operation.</returns>
public virtual async Task WritePrimitiveValueAsync(
object value,
IEdmTypeReference actualTypeReference,
IEdmTypeReference expectedTypeReference)
{
Debug.Assert(value != null, "value != null");
if (actualTypeReference == null)
{
// Try convert primitive values from their actual CLR types to their underlying CLR types.
value = this.Model.ConvertToUnderlyingTypeIfUIntValue(value, expectedTypeReference);
actualTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());
}
ODataPayloadValueConverter converter = this.JsonLightOutputContext.PayloadValueConverter;
// Skip validation if user has set custom PayloadValueConverter
if (expectedTypeReference != null && converter.GetType() == typeof(ODataPayloadValueConverter))
{
this.WriterValidator.ValidateIsExpectedPrimitiveType(value, (IEdmPrimitiveTypeReference)actualTypeReference, expectedTypeReference);
}
value = converter.ConvertToPayloadValue(value, expectedTypeReference);
if (actualTypeReference != null && actualTypeReference.IsSpatial())
{
// TODO: Implement asynchronous handling of spatial types in a separate PR
await TaskUtils.GetTaskForSynchronousOperation(() =>
{
PrimitiveConverter.Instance.WriteJsonLight(value, this.JsonWriter);
}).ConfigureAwait(false);
}
else
{
await this.AsynchronousJsonWriter.WritePrimitiveValueAsync(value).ConfigureAwait(false);
}
}