Examples with WatcherWebsocket org.apache.zeppelin.notebook.repo.zeppelinhub.websocket.listener.WatcherWebsocket used on opensource projects

Example 1 with WatcherWebsocket

use of org.apache.zeppelin.notebook.repo.zeppelinhub.websocket.listener.WatcherWebsocket in project zeppelin by apache.

the class ZeppelinClient method openWatcherSession.

private Session openWatcherSession() {
    ClientUpgradeRequest request = new ClientUpgradeRequest();
    request.setHeader(WatcherSecurityKey.HTTP_HEADER, WatcherSecurityKey.getKey());
    WatcherWebsocket socket = WatcherWebsocket.createInstace();
    Future<Session> future = null;
    Session session = null;
    try {
        future = wsClient.connect(socket, zeppelinWebsocketUrl, request);
        session = future.get();
    } catch (IOException | InterruptedException | ExecutionException e) {
        LOG.error("Couldn't establish websocket connection to Zeppelin ", e);
        return session;
    }
    return session;
}