org.apache.flink.runtime.jobmaster.slotpool

类 SingleLogicalSlot

java.lang.Object

org.apache.flink.runtime.jobmaster.slotpool.SingleLogicalSlot

所有已实现的接口:

LogicalSlot, PhysicalSlot.Payload

public class SingleLogicalSlot
extends Object
implements LogicalSlot, PhysicalSlot.Payload

Implementation of the LogicalSlot.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.runtime.jobmaster.LogicalSlot

LogicalSlot.Payload

字段概要

从接口继承的字段 org.apache.flink.runtime.jobmaster.LogicalSlot

TERMINATED_PAYLOAD

构造器概要

构造器

构造器和说明
SingleLogicalSlot(SlotRequestId slotRequestId, SlotContext slotContext, Locality locality, SlotOwner slotOwner)
SingleLogicalSlot(SlotRequestId slotRequestId, SlotContext slotContext, Locality locality, SlotOwner slotOwner, boolean willBeOccupiedIndefinitely)

方法概要

限定符和类型	方法和说明
static SingleLogicalSlot	allocateFromPhysicalSlot(SlotRequestId slotRequestId, PhysicalSlot physicalSlot, Locality locality, SlotOwner slotOwner, boolean slotWillBeOccupiedIndefinitely)
AllocationID	getAllocationId() Gets the allocation id of this slot.
Locality	getLocality() Gets the locality of this slot.
LogicalSlot.Payload	getPayload() Returns the set payload or null if none.
SlotRequestId	getSlotRequestId() Gets the slot request id uniquely identifying the request with which this slot has been allocated.
TaskManagerGateway	getTaskManagerGateway() Return the TaskManager gateway to talk to the TaskManager.
TaskManagerLocation	getTaskManagerLocation() Return the TaskManager location of this slot.
boolean	isAlive() True if the slot is alive and has not been released.
void	release(Throwable cause) A release of the payload by the AllocatedSlot triggers a release of the payload of the logical slot.
CompletableFuture<?>	releaseSlot(Throwable cause) Releases this slot.
boolean	tryAssignPayload(LogicalSlot.Payload payload) Tries to assign a payload to this slot.
boolean	willOccupySlotIndefinitely() Returns whether the payload will occupy a physical slot indefinitely.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.runtime.jobmaster.LogicalSlot

releaseSlot

构造器详细资料

SingleLogicalSlot

@VisibleForTesting
public SingleLogicalSlot(SlotRequestId slotRequestId,
                                            SlotContext slotContext,
                                            Locality locality,
                                            SlotOwner slotOwner)

SingleLogicalSlot

public SingleLogicalSlot(SlotRequestId slotRequestId,
                         SlotContext slotContext,
                         Locality locality,
                         SlotOwner slotOwner,
                         boolean willBeOccupiedIndefinitely)

方法详细资料

getTaskManagerLocation

public TaskManagerLocation getTaskManagerLocation()

从接口复制的说明: LogicalSlot

Return the TaskManager location of this slot.

指定者:

getTaskManagerLocation 在接口中 LogicalSlot

返回:

TaskManager location of this slot

getTaskManagerGateway

public TaskManagerGateway getTaskManagerGateway()

从接口复制的说明: LogicalSlot

Return the TaskManager gateway to talk to the TaskManager.

指定者:

getTaskManagerGateway 在接口中 LogicalSlot

返回:

TaskManager gateway to talk to the TaskManager

getLocality

public Locality getLocality()

从接口复制的说明: LogicalSlot

Gets the locality of this slot.

指定者:

getLocality 在接口中 LogicalSlot

返回:

locality of this slot

isAlive

public boolean isAlive()

从接口复制的说明: LogicalSlot

True if the slot is alive and has not been released.

指定者:

isAlive 在接口中 LogicalSlot

返回:

True if the slot is alive, otherwise false if the slot is released

tryAssignPayload

public boolean tryAssignPayload(LogicalSlot.Payload payload)

从接口复制的说明: LogicalSlot

Tries to assign a payload to this slot. One can only assign a single payload once.

指定者:

tryAssignPayload 在接口中 LogicalSlot

参数:

payload - to be assigned to this slot.

返回:

true if the payload could be assigned, otherwise false

getPayload

@Nullable
public LogicalSlot.Payload getPayload()

从接口复制的说明: LogicalSlot

Returns the set payload or null if none.

指定者:

getPayload 在接口中 LogicalSlot

返回:

Payload of this slot of null if none

releaseSlot

public CompletableFuture<?> releaseSlot(@Nullable
                                        Throwable cause)

从接口复制的说明: LogicalSlot

Releases this slot.

指定者:

releaseSlot 在接口中 LogicalSlot

参数:

cause - why the slot was released or null if none

返回:

future which is completed once the slot has been released

getAllocationId

public AllocationID getAllocationId()

从接口复制的说明: LogicalSlot

Gets the allocation id of this slot. Multiple logical slots can share the same allocation id.

指定者:

getAllocationId 在接口中 LogicalSlot

返回:

allocation id of this slot

getSlotRequestId

public SlotRequestId getSlotRequestId()

从接口复制的说明: LogicalSlot

Gets the slot request id uniquely identifying the request with which this slot has been allocated.

指定者:

getSlotRequestId 在接口中 LogicalSlot

返回:

Unique id identifying the slot request with which this slot was allocated

allocateFromPhysicalSlot

public static SingleLogicalSlot allocateFromPhysicalSlot(SlotRequestId slotRequestId,
                                                         PhysicalSlot physicalSlot,
                                                         Locality locality,
                                                         SlotOwner slotOwner,
                                                         boolean slotWillBeOccupiedIndefinitely)

release

public void release(Throwable cause)

A release of the payload by the AllocatedSlot triggers a release of the payload of the logical slot.

指定者:

release 在接口中 PhysicalSlot.Payload

参数:

cause - of the payload release

willOccupySlotIndefinitely

public boolean willOccupySlotIndefinitely()

从接口复制的说明: PhysicalSlot.Payload

Returns whether the payload will occupy a physical slot indefinitely.

指定者:

willOccupySlotIndefinitely 在接口中 PhysicalSlot.Payload

返回:

true if the payload will occupy a physical slot indefinitely, otherwise false