Examples with RspList org.jgroups.util.RspList used on opensource projects

Example 1 with RspList

use of org.jgroups.util.RspList in project wildfly by wildfly.

the class ChannelCommandDispatcher method submitOnCluster.

@Override
public <R> Map<Node, Future<R>> submitOnCluster(Command<R, ? super C> command, Node... excludedNodes) throws CommandDispatcherException {
    Map<Node, Future<R>> results = new ConcurrentHashMap<>();
    FutureListener<RspList<R>> listener = future -> {
        try {
            future.get().keySet().stream().map(address -> this.factory.createNode(address)).forEach(node -> results.remove(node));
        } catch (CancellationException e) {
        } catch (ExecutionException e) {
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    };
    Message message = this.createMessage(command);
    RequestOptions options = this.createRequestOptions(excludedNodes);
    try {
        Future<? extends Map<Address, Rsp<R>>> futureResponses = this.dispatcher.castMessageWithFuture(null, message, options, listener);
        Set<Node> excluded = (excludedNodes != null) ? new HashSet<>(Arrays.asList(excludedNodes)) : Collections.<Node>emptySet();
        for (Address address : this.dispatcher.getChannel().getView().getMembers()) {
            Node node = this.factory.createNode(address);
            if (!excluded.contains(node)) {
                Future<R> future = new Future<R>() {

                    @Override
                    public boolean cancel(boolean mayInterruptIfRunning) {
                        return futureResponses.cancel(mayInterruptIfRunning);
                    }

                    @Override
                    public R get() throws InterruptedException, ExecutionException {
                        Map<Address, Rsp<R>> responses = futureResponses.get();
                        Rsp<R> response = responses.get(address);
                        if (response == null) {
                            throw new CancellationException();
                        }
                        return createCommandResponse(response).get();
                    }

                    @Override
                    public R get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
                        Map<Address, Rsp<R>> responses = futureResponses.get(timeout, unit);
                        Rsp<R> response = responses.get(address);
                        if (response == null) {
                            throw new CancellationException();
                        }
                        return createCommandResponse(response).get();
                    }

                    @Override
                    public boolean isCancelled() {
                        return futureResponses.isCancelled();
                    }

                    @Override
                    public boolean isDone() {
                        return futureResponses.isDone();
                    }
                };
                results.put(node, future);
            }
        }
        return results;
    } catch (Exception e) {
        throw new CommandDispatcherException(e);
    }
}