org.apache.flink.runtime.jobmaster.slotpool

Interface Scheduler

All Superinterfaces:

SlotOwner, SlotProvider

All Known Implementing Classes:

SchedulerImpl

public interface Scheduler
extends SlotProvider, SlotOwner

Basic interface for the current scheduler, which is a SlotProvider and a SlotOwner.

Method Summary

Modifier and Type	Method and Description
boolean	requiresPreviousExecutionGraphAllocations() Returns true, iff the scheduling strategy of the scheduler requires to know about previous allocations.
void	start(ComponentMainThreadExecutor mainThreadExecutor) Start the scheduler by initializing the main thread executor.

Methods inherited from interface org.apache.flink.runtime.jobmaster.slotpool.SlotProvider

allocateSlot, allocateSlot, cancelSlotRequest

Methods inherited from interface org.apache.flink.runtime.jobmaster.SlotOwner

returnLogicalSlot

Method Detail

start

void start(@Nonnull
           ComponentMainThreadExecutor mainThreadExecutor)

Start the scheduler by initializing the main thread executor.

Parameters:

mainThreadExecutor - the main thread executor of the job master.

requiresPreviousExecutionGraphAllocations

boolean requiresPreviousExecutionGraphAllocations()

Returns true, iff the scheduling strategy of the scheduler requires to know about previous allocations.