public static <T> ListenableFuture<T> submitCompressionTask(Callable<T> task) {
VoltDBInterface instance = VoltDB.instance();
if (VoltDB.instance() != null) {
ListeningExecutorService es = instance.getComputationService();
if (es != null) {
return es.submit(task);
}
}
return m_executor.submit(task);
}