/// <summary>
/// Writes the start boundary for an operation. This is either the batch or the changeset boundary.
/// </summary>
private void WriteStartBoundaryForOperation()
{
if (this.changeSetBoundary == null)
{
ODataBatchWriterUtils.WriteStartBoundary(this.batchWriter, this.batchBoundary);
this.batchStartBoundaryWritten = true;
}
else
{
ODataBatchWriterUtils.WriteStartBoundary(this.batchWriter, this.changeSetBoundary);
}
}
/// <summary>
/// Ends a batch; can only be called after WriteStartBatch has been called and if no other active changeset or operation exist.
/// </summary>
public void WriteEndBatch()
{
this.ValidateWriterReady();
// write the start boundary for the batch if not written
if (!this.batchStartBoundaryWritten)
{
Debug.Assert(this.CurrentOperationMessage == null, "If not batch boundary was written we must not have an active message.");
ODataBatchWriterUtils.WriteStartBoundary(this.batchWriter, this.batchBoundary);
}
// write pending message data (headers, response line) for a previously unclosed message/request
this.WritePendingMessageData(true);
this.SetState(BatchWriterState.BatchCompleted);
// write the end boundary for the batch
ODataBatchWriterUtils.WriteEndBoundary(this.batchWriter, this.batchBoundary);
}
/// <summary>
/// Starts a new changeset; can only be called after WriteStartBatch and if no other active operation or changeset exists.
/// </summary>
public void WriteStartChangeset()
{
this.ValidateWriterReady();
// write pending message data (headers, response line) for a previously unclosed message/request
this.WritePendingMessageData(true);
// important to do this first since it will set up the change set boundary.
this.SetState(BatchWriterState.ChangeSetStarted);
Debug.Assert(this.changeSetBoundary != null, "this.changeSetBoundary != null");
// reset the size of the current changeset and increase the size of the batch
this.ResetChangeSetSize();
this.InterceptException(this.IncreaseBatchSize);
// write the boundary string
ODataBatchWriterUtils.WriteStartBoundary(this.batchWriter, this.batchBoundary);
this.batchStartBoundaryWritten = true;
// write the change set headers
ODataBatchWriterUtils.WriteChangeSetPreamble(this.batchWriter, this.changeSetBoundary);
}
