IFragmentParallelPlaner (IoTDB Server 0.14.0-preview2 API)

All Known Implementing Classes:

SimpleFragmentParallelPlanner, WriteFragmentParallelPlanner
```
public interface IFragmentParallelPlaner
```
The interface is used to transform one PlanFragment into one or more FragmentInstances which could run in parallel

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.List<FragmentInstance>`	`parallelPlan()`	The relation between each PlanFragment is necessary because sometimes we need to change the source/sink for each FragmentInstance according to its upstream/downstream

- Method Detail
  - parallelPlan
```
java.util.List<FragmentInstance> parallelPlan()
```
    The relation between each PlanFragment is necessary because sometimes we need to change the source/sink for each FragmentInstance according to its upstream/downstream
    
    Returns:
    
    All the FragmentInstances which can run in parallel