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July 12, 2019
Implementing Handle Patch Method in JET Offline Toolkit by Andrejus Baranovskis
When executing PATCH requests offline, JET Offline Persistence Toolkit will record that request and synch it to the backend, once online. But it will not update data stored in cache, this is by design. Since cached data will not be updated, search queries against offline cache would not bring results based on latest changes. To solve this we need to implement cache update ourself by providing handle patch method.
Handle patch is configured through requestHandlerOverride property while registering persistence manager:
Sample implementation for handle patch. This method is invoked, when PATCH is executed while offline only. We must read information from request and pass it to cache store. Search for entry in cache based on key, updating record and updating info back to the store: Read the complete article here.
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