/// <summary>
/// Implementation of the reader logic when in state 'Operation'.
/// </summary>
/// <returns>The batch reader state after the read.</returns>
protected override ODataBatchReaderState ReadAtOperationImplementation()
{
if (this.JsonLightInputContext.JsonReader.NodeType != JsonNodeType.StartObject)
{
// No more requests in the batch.
return(HandleMessagesEnd());
}
// Load the message properties if there is no cached item for processing.
if (this.messagePropertiesCache == null)
{
// Load the message details since operation is detected.
this.messagePropertiesCache = ODataJsonLightBatchPayloadItemPropertiesCache.Create(this);
}
// Calculate and return next state with changeset state detection.
return(DetectChangesetStates(this.messagePropertiesCache));
}
/// <summary>
/// Implementation of the reader logic when in state 'Start'.
/// </summary>
/// <returns>The batch reader state after the read.</returns>
protected override ODataBatchReaderState ReadAtStartImplementation()
{
Debug.Assert(this.State == ODataBatchReaderState.Initial, "this.State == ODataBatchReaderState.Initial");
if (mode == ReaderMode.NotDetected)
{
// The stream should be positioned at the beginning of the batch envelope.
// Need to detect whether we are reading request or response. Stay in Initial state upon return.
DetectReaderMode();
return(ODataBatchReaderState.Initial);
}
else
{
// The stream should be positioned at the beginning of requests array.
this.StartReadingBatchArray();
Debug.Assert(this.messagePropertiesCache == null, "this.messagePropertiesCache == null");
this.messagePropertiesCache = ODataJsonLightBatchPayloadItemPropertiesCache.Create(this);
string currentGroup = (string)this.messagePropertiesCache.GetPropertyValue(
ODataJsonLightBatchPayloadItemPropertiesCache.PropertyNameAtomicityGroup);
if (currentGroup == null)
{
return(ODataBatchReaderState.Operation);
}
else
{
HandleNewAtomicGroupStart(
(string)
this.messagePropertiesCache.GetPropertyValue(
ODataJsonLightBatchPayloadItemPropertiesCache.PropertyNameId),
currentGroup);
return(ODataBatchReaderState.ChangesetStart);
}
}
}
