private static <ReqT, RespT, OutputT> OutputT getBlockingResult(
AbstractRetryingRpcListener<ReqT, RespT, OutputT> listener) {
try {
listener.start();
return listener.getCompletionFuture().get();
} catch (InterruptedException e) {
listener.cancel();
throw Status.CANCELLED.withCause(e).asRuntimeException();
} catch (ExecutionException e) {
listener.cancel();
throw Status.fromThrowable(e).asRuntimeException();
}
}
private static <ReqT, RespT, OutputT> ListenableFuture<OutputT> getCompletionFuture(
AbstractRetryingRpcListener<ReqT, RespT, OutputT> listener) {
listener.start();
return listener.getCompletionFuture();
}