private void getMore() {
 Connection connection = connectionSource.getConnection();
 try {
 if (serverIsAtLeastVersionThreeDotTwo(connection.getDescription())) {
 try {
 initFromCommandResult(connection.command(namespace.getDatabaseName(),
 asGetMoreCommandDocument(),
 NO_OP_FIELD_NAME_VALIDATOR,
 ReadPreference.primary(),
 CommandResultDocumentCodec.create(decoder, "nextBatch"),
 connectionSource.getSessionContext()));
 } catch (MongoCommandException e) {
 throw translateCommandException(e, serverCursor);
 }
 } else {
 QueryResult<T> getMore = connection.getMore(namespace, serverCursor.getId(),
 getNumberToReturn(limit, batchSize, count), decoder);
 initFromQueryResult(getMore);
 }
 if (limitReached()) {
 killCursor(connection);
 }
 if (serverCursor == null) {
 this.connectionSource.release();
 this.connectionSource = null;
 }
 } finally {
 connection.release();
 }
 }