org.apache.flink.runtime.scheduler

Class DefaultExecutionSlotAllocator

java.lang.Object

org.apache.flink.runtime.scheduler.DefaultExecutionSlotAllocator

All Implemented Interfaces:

ExecutionSlotAllocator

public class DefaultExecutionSlotAllocator
extends Object
implements ExecutionSlotAllocator

Default ExecutionSlotAllocator which will use SlotProvider to allocate slots and keep the unfulfilled requests for further cancellation.

Constructor Summary

Constructors

Constructor and Description
DefaultExecutionSlotAllocator(SlotProviderStrategy slotProviderStrategy, InputsLocationsRetriever inputsLocationsRetriever)

Method Summary

Modifier and Type	Method and Description
List<SlotExecutionVertexAssignment>	allocateSlotsFor(List<ExecutionVertexSchedulingRequirements> executionVertexSchedulingRequirements) Allocate slots for the given executions.
void	cancel(ExecutionVertexID executionVertexId) Cancel an ongoing slot request.
CompletableFuture<Void>	stop() Stop the allocator.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultExecutionSlotAllocator

public DefaultExecutionSlotAllocator(SlotProviderStrategy slotProviderStrategy,
                                     InputsLocationsRetriever inputsLocationsRetriever)

Method Detail

allocateSlotsFor

public List<SlotExecutionVertexAssignment> allocateSlotsFor(List<ExecutionVertexSchedulingRequirements> executionVertexSchedulingRequirements)

Description copied from interface: ExecutionSlotAllocator

Allocate slots for the given executions.

Specified by:

allocateSlotsFor in interface ExecutionSlotAllocator

Parameters:

executionVertexSchedulingRequirements - The requirements for scheduling the executions.

cancel

public void cancel(ExecutionVertexID executionVertexId)

Description copied from interface: ExecutionSlotAllocator

Cancel an ongoing slot request.

Specified by:

cancel in interface ExecutionSlotAllocator

Parameters:

executionVertexId - identifying which slot request should be canceled.

stop

public CompletableFuture<Void> stop()

Description copied from interface: ExecutionSlotAllocator

Stop the allocator.

Specified by:

stop in interface ExecutionSlotAllocator