How to listen for changes to a MongoDB collection?

Question

I\'m creating a sort of background job queue system with MongoDB as the data store. How can I \"listen\" for inserts to a MongoDB collection before spawning workers to proce

Answer 1

Alternatively, you could use the standard Mongo FindAndUpdate method, and within the callback, fire an EventEmitter event (in Node) when the callback is run.

Any other parts of the application or architecture listening to this event will be notified of the update, and any relevant data sent there also. This is a really simple way to achieve notifications from Mongo.