code: public DeleteItemResponse deleteItem(DeleteItemRequest request)
              throws BceClientException, BceServiceException {
          checkNotNull(request, "request should not be null.");
          InternalRequest httpRequest = createRequestUnderInstance(HttpMethodName.DELETE, 
                  MolaDbConstants.URI_TABLE,
                  request.getTableName(),
                  MolaDbConstants.URI_ITEM);
          this.putKeyInUrl(httpRequest, request.getKey());
          DeleteItemResponse ret = this.invokeHttpClient(httpRequest, DeleteItemResponse.class);
          return ret;
      }
docs: <p>
  The <i>DeleteItem</i> operation delete the item
  with the given primary key. If there is no matching item,
  <i>DeleteItem</i> does not return any data.
  </p>
  
  @param request Container for the necessary parameters to execute the
  DeleteItem request.
  
  @return The responseContent from the DeleteItem service method, as returned by
  Moladb.
  
  @throws BceClientException
  If any internal errors are encountered inside the client while
  attempting to make the request or handle the responseContent.  For example
  if a network connection is not available.
  @throws BceServiceException
  If an error responseContent is returned by Moladb indicating
  either a problem with the data in the request, or a server side issue.