A checked write request expecting a response.
A message expecting a response from database.
Main actor that processes the requests.
A monitor for MongoDBSystem actors.
A request expecting a response.
Message to close all active connections.
MongoDBSystem has been shut down.
Message sent when the primary has been discovered.
Message sent when the primary has been lost.
Register a monitor.
A message to send to a MonitorActor to be warned when a primary has been discovered.