PhysicalSlotProvider (Flink : 2.0-SNAPSHOT API)

All Known Implementing Classes:

PhysicalSlotProviderImpl
```
public interface PhysicalSlotProvider
```
The provider serves physical slot requests.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Map<SlotRequestId,CompletableFuture<PhysicalSlotRequest.Result>>`	`allocatePhysicalSlots(Collection<PhysicalSlotRequest> physicalSlotRequests)`	Submit requests to allocate physical slots.
`void`	`cancelSlotRequest(SlotRequestId slotRequestId, Throwable cause)`	Cancels the slot request with the given `SlotRequestId`.
`void`	`disableBatchSlotRequestTimeoutCheck()`	Disables batch slot request timeout check.

- Method Detail
  - allocatePhysicalSlots
```
Map<SlotRequestId,CompletableFuture<PhysicalSlotRequest.Result>> allocatePhysicalSlots(Collection<PhysicalSlotRequest> physicalSlotRequests)
```
    Submit requests to allocate physical slots.
    The physical slot can be either allocated from the slots, which are already available for the job, or a new one can be requested from the resource manager.
    
    Parameters:
    
    physicalSlotRequests - physicalSlotRequest slot requirements
    
    Returns:
    
    futures of the allocated slots
  - cancelSlotRequest
```
void cancelSlotRequest(SlotRequestId slotRequestId,
                       Throwable cause)
```
    Cancels the slot request with the given SlotRequestId.
    If the request is already fulfilled with a physical slot, the slot will be released.
    
    Parameters:
    
    slotRequestId - identifying the slot request to cancel
    
    cause - of the cancellation
  - disableBatchSlotRequestTimeoutCheck
```
void disableBatchSlotRequestTimeoutCheck()
```
    Disables batch slot request timeout check. Invoked when someone else wants to take over the timeout check responsibility.