Examples with CancellablePromise io.deephaven.web.client.fu.CancellablePromise used on opensource projects

Example 1 with CancellablePromise

use of io.deephaven.web.client.fu.CancellablePromise in project deephaven-core by deephaven.

the class QueryConnectable method startSession.

@JsMethod
public CancellablePromise<IdeSession> startSession(String type) {
    JsLog.debug("Starting", type, "console session");
    LazyPromise<Ticket> promise = new LazyPromise<>();
    final ClientConfiguration config = connection.get().getConfig();
    final Ticket ticket = new Ticket();
    ticket.setTicket(config.newTicketRaw());
    final JsRunnable closer = () -> {
        boolean run = !cancelled.has(ticket);
        if (run) {
            cancelled.add(ticket);
            connection.get().releaseTicket(ticket);
        }
    };
    onConnected().then(e -> Callbacks.grpcUnaryPromise(callback -> {
        StartConsoleRequest request = new StartConsoleRequest();
        request.setSessionType(type);
        request.setResultId(ticket);
        connection.get().consoleServiceClient().startConsole(request, connection.get().metadata(), callback::apply);
    })).then(result -> {
        promise.succeed(ticket);
        return null;
    }, error -> {
        promise.fail(error);
        return null;
    });
    return promise.asPromise(result -> {
        if (cancelled.has(ticket)) {
            // a bit hacky, but it works...
            throw new RuntimeException(CANCELLATION_MESSAGE);
        }
        final IdeSession session = new IdeSession(connection.get(), result, closer);
        sessions.add(session);
        return session;
    }, closer);
}