See: Description
| Class | Description | 
|---|---|
| NodeDescriptorHandler | 
 Updates the ResourceCatalog with a new Node. 
 | 
| ResourceAllocationHandler | 
 Handles new resource allocations by adding a new EvaluatorManager. 
 | 
| ResourceManagerErrorHandler | 
 Informs the client and then shuts down the driver forcefully in case of Resource Manager errors. 
 | 
| ResourceManagerStatus | 
 Manages the status of the Resource Manager. 
 | 
| ResourceStatusHandler | 
 A ResourceStatusProto message comes from the ResourceManager layer to indicate what it thinks
 about the current state of a given resource. 
 | 
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