FinishedTaskStateProvider (Flink : 2.0-SNAPSHOT API)

All Known Subinterfaces:

CheckpointPlan

All Known Implementing Classes:

DefaultCheckpointPlan
```
public interface FinishedTaskStateProvider
```
Collects and fulfills the finished state for the subtasks or operators.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`FinishedTaskStateProvider.PartialFinishingNotSupportedByStateException`	Thrown when some subtasks of the operator have been finished but state doesn't support that (e.g.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`fulfillFinishedTaskStatus(Map<OperatorID,OperatorState> operatorStates)`	Fulfills the state for the finished subtasks and operators to indicate they are finished.
`void`	`reportTaskFinishedOnRestore(ExecutionVertex task)`	Reports the `task` is finished on restoring.
`void`	`reportTaskHasFinishedOperators(ExecutionVertex task)`	Reports the `task` has finished all the operators.

- Method Detail
  - reportTaskFinishedOnRestore
```
void reportTaskFinishedOnRestore(ExecutionVertex task)
```
    Reports the task is finished on restoring.
  - reportTaskHasFinishedOperators
```
void reportTaskHasFinishedOperators(ExecutionVertex task)
```
    Reports the task has finished all the operators.
  - fulfillFinishedTaskStatus
```
void fulfillFinishedTaskStatus(Map<OperatorID,OperatorState> operatorStates)
                        throws FinishedTaskStateProvider.PartialFinishingNotSupportedByStateException
```
    Fulfills the state for the finished subtasks and operators to indicate they are finished.
    
    Throws:
    
    FinishedTaskStateProvider.PartialFinishingNotSupportedByStateException