On Wed, Mar 26, 2014 at 3:37 AM, thor.djdq <[email protected]> wrote:

> can you just show me the other ways?
> there is no determined use case now.
>


Choosing the best way to access data depends on the use case, so it would
probably be better to figure out the use case first. Nevertheless, since
you asked for alternatives:

1. Write a simple REST API to access and modify the app data. Probably the
best solution since you can customize the API to emit and accept data using
your preferred syntax (JSON or XML, etc).
http://stackoverflow.com/questions/19357298/what-is-difference-between-web-service-and-rpc

2. Assuming the app you want to access is on App Engine, you can directly
connect with the Remote API and use resources under the application's name:
https://developers.google.com/appengine/docs/java/tools/remoteapi

3. Again assuming the app is on App Engine, you can access the different
persistent data services directly. For instance, the datastore can be
accessed through the Cloud Datastore service:
https://developers.google.com/datastore/docs/getstarted/start_java/ . The
Cloud SQL and Cloud Storage services can also be accessed by different
applications by whitelisting their IDs.


-----------------
-Vinny P
Technology & Media Advisor
Chicago, IL

App Engine Code Samples: http://www.learntogoogleit.com

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