| Package | Description | 
|---|---|
| edu.snu.coral.runtime.master | |
| edu.snu.coral.runtime.master.eventhandler | |
| edu.snu.coral.runtime.master.scheduler | 
| Class and Description | 
|---|
| PendingTaskGroupQueue
 Keep tracks of all pending task groups. 
 | 
| Scheduler
 Receives jobs to execute and schedules
  
ScheduledTaskGroup to executors. | 
| SchedulerRunner
 Takes a TaskGroup from the pending queue and schedules it to an executor. 
 | 
| Class and Description | 
|---|
| Scheduler
 Receives jobs to execute and schedules
  
ScheduledTaskGroup to executors. | 
| Class and Description | 
|---|
| PendingTaskGroupQueue
 Keep tracks of all pending task groups. 
 | 
| Scheduler
 Receives jobs to execute and schedules
  
ScheduledTaskGroup to executors. | 
| SchedulerRunner
 Takes a TaskGroup from the pending queue and schedules it to an executor. 
 | 
| SchedulingPolicy
 Defines the policy by which  
BatchSingleJobScheduler assigns task groups to executors. | 
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