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Shredding and Querying with Oracle Offline Persistence in JET by Andrejus Baranovskis

Juergen Kress
PaaS & Middleware Partner Adoption
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I think offline functionality topic should become a trend in the future. Its great that Oracle already provides solution for offline - Oracle Offline Persistence toolkit. This is my second post related to offline support, read previous post - Oracle Offline Persistence Toolkit - Simple GET Response Example with JET. I have tested and explained with sample app how it works to handle simple GET response offline. While today I would like to go one step further and check how to filter offline data - shredding and querying offline.

Sample app is fetching a list of employees - Get Employees button. It shows online/offline status - see icon in top right corner. We are online and GET response was cached by persistence toolkit:

We can test offline behaviour easily - this can be done through Chrome Developer Tools - turn on Offline mode. Btw, take a look into Initiator field for GET request - it comes from Oracle Offline Persistence toolkit. As I mention it in my previous post - once persistence toolkit is enabled, all REST calls are going through toolkit, this is how it is able to cache response data: Read the complete article here.

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