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<div class="moz-cite-prefix">On 01/28/2014 12:13 PM, Matthias
Wessendorf wrote:<br>
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<div class="gmail_quote">On Tue, Jan 28, 2014 at 6:08 PM,
Summers Pittman <span dir="ltr"><<a
moz-do-not-send="true" href="mailto:supittma@redhat.com"
target="_blank">supittma@redhat.com</a>></span>
wrote:<br>
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<div>On 01/28/2014 11:46 AM, Matthias Wessendorf
wrote:<br>
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<div class="gmail_quote">On Tue, Jan 28, 2014 at
4:48 PM, Lucas Holmquist <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:lholmqui@redhat.com"
target="_blank">lholmqui@redhat.com</a>></span>
wrote:<br>
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On Jan 28, 2014, at 10:30 AM, Summers
Pittman <<a moz-do-not-send="true"
href="mailto:supittma@redhat.com"
target="_blank">supittma@redhat.com</a>>
wrote:<br>
<br>
> On 01/28/2014 09:36 AM, Lucas
Holmquist wrote:<br>
>> yup, this is another Data Sync
thread,<br>
>><br>
>>> From a client side
perspective, i have concerns that there is
still not a clear direction yet.<br>
>><br>
>> 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<br>
> All the data model is is an envelope
of sync metadata around an object<br>
> right?<br>
<br>
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right<br>
<div><br>
><br>
> We also need to think about the API
and server/client protocol as well.<br>
><br>
> I think that for sync 1.0 we could
focus on the following behavior (it<br>
> worked for my demos at least)<br>
><br>
> 1. We have a Sync factory similar to
Pipeline, Authenticator,<br>
> Registrar, and KeyService.<br>
> 2. The Sync factory consumes/manages
Synchronizer instances.<br>
> 3. AG Synchronizer listens for sync
messages using UnifiedPush endpoints.<br>
</div>
i thought for a 1.0 we weren't thinking
about "realtime"<br>
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<div>that is my impression as well, talking to
Dan on IRC;</div>
<div>ATM all is polling, but the sync-server
will be cable of doing WebSocket/SockJS, so
"connected" clients, can sync.</div>
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Polling is MURDER on battery, performance, and "feel".
WebSockets and SockJS are awesome ideas for a future
implementation for "real time".</div>
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<div>As far as I understood it, the sync-server just started
w/ polling (pure HTTP). I think that WebSocket/SockJS is
not really that far away, in terms of 'future'</div>
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<div>Push should be really used for 'wake-up',
instead of changing real information; Also
SimplePush clients could not even integrate
here (the protocol just uses version (or
timestamps)</div>
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Yes.<br>
<br>
On the topic of Simple Push, you push a URL so in theory
you could push
/Documents/${collecitonName}/${id}/${rev_id} and have
simple push setup to accept URLS formatted that way
right? Or is it more limited than that?</div>
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<div>you can simply ONLY push a version number, that's it</div>
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I just reread things. It is worse than that. You can (should) only
push an increasing version number. So anything checksum based will
fail.<br>
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<div><br>
> 4. AG Synchronizer sends sync
messages using Pipes<br>
> 5. AG Synchronizer holds local
data in a store<br>
><br>
> 6. When AGSynchronizer gets a
message it is responsible for updating<br>
> the Store and then notifying code
listing for updates OR for notifying<br>
> the code that an error has
occurred and needs to be addressed.<br>
><br>
> 7. When the developer updates
data in the store, the synchronizer<br>
> should package that data and send
it to the server. The synchronizer is<br>
> responsible for error handling,
retrying, back-off, etc.<br>
><br>
> 8. We should include multiple
synchronizer implementations to deal
with<br>
> multiple very simple use cases
which involve legacy systems. (For<br>
> instance polling to load static
data on a schedule.)<br>
><br>
> Thoughts? Tomatoes?<br>
>><br>
>><br>
>><br>
>>
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-- <br>
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