| Class | Description | 
|---|---|
| EventHandler | 
 Abstract base class for all HBase event handlers. 
 | 
| ExecutorService | 
 This is a generic executor service. 
 | 
| ExecutorService.Executor | 
 Executor instance. 
 | 
| ExecutorService.ExecutorStatus | 
 A snapshot of the status of a particular executor. 
 | 
| ExecutorService.RunningEventStatus | 
 The status of a particular event that is in the middle of being
 handled by an executor. 
 | 
| ExecutorService.TrackingThreadPoolExecutor | 
 A subclass of ThreadPoolExecutor that keeps track of the Runnables that
 are executing at any given point in time. 
 | 
| Enum | Description | 
|---|---|
| EventType | 
 List of all HBase event handler types. 
 | 
| ExecutorType | 
 The following is a list of all executor types, both those that run in the
 master and those that run in the regionserver. 
 | 
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