Package org.apache.flink.runtime.scheduler.adaptive

Interface StateTransitionManager

All Known Implementing Classes:

DefaultStateTransitionManager

public interface StateTransitionManager

The StateTransitionManager decides on whether AdaptiveScheduler state transition should happen or not.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	StateTransitionManager.Context	The interface that can be used by the StateTransitionManager to communicate with the underlying system.

Method Summary

Modifier and Type	Method	Description
default void	close()	Is called when the state transition manager should be closed.
void	onChange()	Is called if the environment changed in a way that a state transition could be considered.
void	onTrigger()	Is called when any previous observed environment changes shall be verified possibly triggering a state transition operation.

Method Detail

onChange

void onChange()

Is called if the environment changed in a way that a state transition could be considered.

onTrigger

void onTrigger()

Is called when any previous observed environment changes shall be verified possibly triggering a state transition operation.

close

default void close()

Is called when the state transition manager should be closed.