List<ODataRequest> changeSetRequests = batchPart.getRequests();
contentIdMap = new HashMap<String, String>();
return service.getBatchProcessor().executeChangeSet(this, changeSetRequests);
} else {
if (batchPart.getRequests().size() != 1) {
throw new ODataException("Query Operation should contain one request");
}
ODataRequest request = batchPart.getRequests().get(0);
ODataRequestHandler handler = createHandler(request);
String mimeHeaderContentId =
request.getRequestHeaderValue(BatchHelper.MIME_HEADER_CONTENT_ID.toLowerCase(Locale.ENGLISH));