@Override
	public Promise subscribe(String channel) {
		if (dispatcher != null) {
			try {
				dispatcher.subscribe(channel);
			} catch (Exception cause) {
				return Promise.reject(cause);
			}
		}
		return Promise.resolve();
	}
@ Override public Promise subscribe ( String channel ) { if ( dispatcher != null ) { try { dispatcher . subscribe ( channel ) ; } catch ( Exception cause ) { return Promise . reject ( cause ) ; } } return Promise . resolve ( ) ; }
--- SUBSCRIBE ---