[aerogear-dev] [AeroGear-Notifier] Client API

[Matthias Wessendorf]

On Fri, Feb 22, 2013 at 6:53 PM, Summers Pittman <supittma at redhat.com>wrote:

>  So, in theory, would I be able to
>
> 1) Define a message channel (boats)
>

a 'pipe' :) to a server, yes. Publishing from client works. and receicing
msgs on that channel works too


> 2) Define a series of systems which implement that channel (websocket,
> GCM, carrier pigeon)
>

this is just 'js' client api... so... there will be only SockJS (websocket
and legacy fallbacks). No GCM/APNs receiving in JS land (pure mobile web).


> 3) Have AG Auto negotiate systems. (When the app is up use a websocket
> system, when it background use GCM, and when the network is down scan QR
> codes off pigeons)
>

I guess anwser to 2) makes sense here ?


>
> ?
>
> Summers
>
>
>
> On 02/21/2013 12:38 PM, Matthias Wessendorf wrote:
>
> Hello!
>
> Today, I had a brief chat with Kris about a potential AeroGear *Notifier* Client
> API...
>
> The basic idea is to *wrap* messaging APIs (e.g. Stomp.js, Vertx's
> eventbus or Socket.io/Engine.io) behind a common client 'interface'.
>
> Basically the AeroGear-Notifier should be able to *connect* to a
> messaging system in order to *subscribe* to a channel to reveice messages
> from that channel. The AG-Notifier is also able to *publish* messages to
> ANY channel. Of course,*unsubscribe* and *disconnect* are required too...
>
> Sure... the above is not (YET) really a *SPEC*, but it's start.... the JS
> API of the AG-Notifier (DRAFT 0.0.1) could looks like this:
>
> /** * Connects to a given URL. The callback is invoked after a connection has been established. In case of an error, an Error * object will be passed to the callback */AeroGear.Notifier.connect(String url, function callback);
> /** * Tears down the connection. The callback is invoked after a connection has been closed. In case of an error, an * Error object will be passed to the callback */AeroGear.Notifier.disconnect(function callback);
> /** * Subscribes to a channel. The callback function is invoked for every message, received on the given channel. */AeroGear.Notifier.subscribe(String channel, function callback);
> /** * Removes the subscription of the given channel. */AeroGear.Notifier.unsubscribe(String channel);
> /** * Publishes a message to a given channel */AeroGear.Notifier.publish(String channel, Object message);
>
>  Perhaps a *STATE-MASHINE* would be nice as well:
>
> AeroGear.Notifier.CONNECTING = 0;AeroGear.Notifier.OPEN = 1;AeroGear.Notifier.CLOSING = 2;AeroGear.Notifier.CLOSED = 3;
>
>
> <https://gist.github.com/matzew/bd4f3c41e1114c225eb1#implementation-of-the-adapters>Implementation
> of the Adapters
>
> The different adapter implementations will be done separately:
> ag-notifier-vertx.js...
>
>
>
>  Thoughts ?
>
>
>
>
>
> --
> Matthias Wessendorf
>
> blog: http://matthiaswessendorf.wordpress.com/
> sessions: http://www.slideshare.net/mwessendorf
> twitter: http://twitter.com/mwessendorf
>
>
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-- 
Matthias Wessendorf

blog: http://matthiaswessendorf.wordpress.com/
sessions: http://www.slideshare.net/mwessendorf
twitter: http://twitter.com/mwessendorf
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