@Override public void operationComplete(F future) throws Exception { InternalLogger internalLogger = logNotifyFailure ? logger : null; if (future.isSuccess()) { V result = future.get(); for (Promise<? super V> p: promises) { PromiseNotificationUtil.trySuccess(p, result, internalLogger); } } else if (future.isCancelled()) { for (Promise<? super V> p: promises) { PromiseNotificationUtil.tryCancel(p, internalLogger); } } else { Throwable cause = future.cause(); for (Promise<? super V> p: promises) { PromiseNotificationUtil.tryFailure(p, cause, internalLogger); } } } }
@Override public void operationComplete(Future<AddressedEnvelope<DnsResponse, InetSocketAddress>> future) { queriesInProgress.remove(future); if (promise.isDone() || future.isCancelled()) { queryLifecycleObserver.queryCancelled(allowedQueries); return; } try { if (future.isSuccess()) { onResponse(nameServerAddrStream, nameServerAddrStreamIndex, question, future.getNow(), queryLifecycleObserver, promise); } else { // Server did not respond or I/O error occurred; try again. queryLifecycleObserver.queryFailed(future.cause()); query(nameServerAddrStream, nameServerAddrStreamIndex + 1, question, promise); } } finally { tryToFinishResolve(nameServerAddrStream, nameServerAddrStreamIndex, question, // queryLifecycleObserver has already been terminated at this point so we must // not allow it to be terminated again by tryToFinishResolve. NoopDnsQueryLifecycleObserver.INSTANCE, promise); } } });
public static <X> void cascadeTo(Future<X> completedFuture, Promise<? super X> promise) { if (completedFuture.isSuccess()) { if (!promise.trySuccess(completedFuture.getNow())) { logger.warn("Failed to mark a promise as success because it is done already: {}", promise); } } else if (completedFuture.isCancelled()) { if (!promise.cancel(false)) { logger.warn("Failed to cancel a promise because it is done already: {}", promise); } } else { if (!promise.tryFailure(completedFuture.cause())) { logger.warn("Failed to mark a promise as failure because it's done already: {}", promise, completedFuture.cause()); } } } }