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Re: [iot-wg] Javaone demo scenario and API
You could also use OSGi Remote Services [1]...on raspberry pi and/or other devices...to represent device-specific API...and/or higher-level/aggregated services (e.g. 'IGreenhouse').  For a example tutorial [1].

I am currently in the middle of testing a new Raspberry Pi 'GPIO Pin' service.  It abstracts the functionality of the pi's GPIO pins and makes them available as very simple OSGi (remote) services.  See [2] and [3].  It's implemented using pi4j.  

The transport independence of ECF's impl would allow use of MQTT, or http, or multiple transports [4].   Of course you can mix/coexist with anything that's not currently based upon remote services, so it wouldn't require changing anything that exists.

I think that the service-contract-level interoperability provided by standardized OSGi remote services (along with dynamics, versioning, security, etc), makes for a nice compliment to the overall interoperability message you have going.

Scott

[1] https://wiki.eclipse.org/Tutorial:_OSGi_Remote_Services_for_the_Raspberry_Pi
[2] https://dev.eclipse.org/mhonarc/lists/ecf-dev/msg07217.html
[3] https://github.com/ECF/RaspberryPI
[4] https://github.com/ECF/Mqtt-Provider

On 7/16/2014 4:14 PM, Benjamin Cabé wrote:
All,

The demo scenario for JavaOne and the API to consume sensor data coming from the greenhouse or toggle the lighting on or off are described on the following wiki page [1].

A fully-web based simulator runs at [2] and allows you to simulate the "eclipse-greenhouse", or virtually any number of greenhouses. This is useful if you're e.g interested in extending the demo to showcase a technology consuming the data from N greenhouses (by listening to javaonedemo/#, for example) and consolidate them or display them on a chart. 
This web UI will be enhanced to also act as a "control remote" that will allow to visualize the current status of an existing greenhouse.

I believe this simple scenario will enable many parallel demos that will help demonstrate not only the Eclipse IoT Java stack, but also the interoperability brought by MQTT and CoAP.

Please do not hesitate to ping me should you have any questions,
Benjamin –



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