trait HaCoordinator extends AnyRef
To add High Availability related features to a program, which intends to use database-connections to do it's work. Features include:
- Safety: mutual exclusion of these programs ensured by DB locking mechanisms
- Availability: release of the exclusion is detected by idle programs, which start competing for the lock to do their work.
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- abstract def protectedExecution(initializeExecution: (ConnectionInitializer) => Future[Handle]): Handle
Execute in High Availability mode.
Execute in High Availability mode. Wraps around the Handle of the execution.
- initializeExecution
HaCoordinator provides a ConnectionInitializer that must to be used for all database connections during execution Future[Handle] embodies asynchronous initialization of the execution (e.g. not the actual work. That asynchronous execution completes with the completed Future of the Handle)
- returns
the new Handle, which is available immediately to observe and interact with the complete program here
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