[aerogear-dev] Data Sync Thoughts

[Summers Pittman]

On 01/28/2014 09:36 AM, Lucas Holmquist wrote:
> yup, this is another Data Sync thread,
>
> >From a client side perspective, i have concerns that there is still not a clear direction yet.
>
> I know there are multiple ideas floating around on what our model should be,  i'm all for choice, but what about deciding on 1 model to get started with.  Then later once we have this nailed down,  we can have other "adapters" with different models perhaps
All the data model is is an envelope of sync metadata around an object 
right?

We also need to think about the API and server/client protocol as well.

I think that for sync 1.0 we could focus on the following behavior (it 
worked for my demos at least)

1.  We have a Sync factory similar to Pipeline, Authenticator, 
Registrar, and KeyService.
2.  The Sync factory consumes/manages Synchronizer instances.
3.  AG Synchronizer listens for sync messages using UnifiedPush endpoints.
4.  AG Synchronizer sends sync messages using Pipes
5.  AG Synchronizer holds local data in a store

6.  When AGSynchronizer gets a message it is responsible for updating 
the Store and then notifying code listing for updates OR for notifying 
the code that an error has occurred and needs to be addressed.

7.  When the developer updates data in the store, the synchronizer 
should package that data and send it to the server.  The synchronizer is 
responsible for error handling, retrying, back-off, etc.

8.  We should include multiple synchronizer implementations to deal with 
multiple very simple use cases which involve legacy systems. (For 
instance polling to load static data on a schedule.)

Thoughts? Tomatoes?
>
>
>
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