March 2019
Intermediate to advanced
394 pages
11h 4m
English
Content preview from Mastering MongoDB 4.x - Second Edition
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Mobile Sync
One of the newest additions in MongoDB Stitch Mobile Sync can be used to sync data seamlessly between MongoDB Mobile and the server's backend (at the moment of writing this, it has to be hosted on MongoDB Atlas). Mobile Sync is also based on change streams to listen to data changing between local and remote databases. As data changes in the local Mobile database, we may run into conflicts between the local and remote state. This is why we need to define some handlers to specify what should happen in that case. There are three interfaces that we need to implement for our models:
- ConflictHandler
- ErrorListener
- ChangeEventListener
ConflictHandler has a method that arguments documentId of the document that conflicts the local and ...
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