Package org.apache.flink.runtime.jobmaster.slotpool

Class DefaultAllocatedSlotPool

java.lang.Object
org.apache.flink.runtime.jobmaster.slotpool.DefaultAllocatedSlotPool
All Implemented Interfaces:
AllocatedSlotPool
public class DefaultAllocatedSlotPool extends Object implements AllocatedSlotPool
Default AllocatedSlotPool implementation.

  • Constructor Details

    • DefaultAllocatedSlotPool

      public DefaultAllocatedSlotPool()

  • Method Details

    • addSlots

      public void addSlots(Collection<org.apache.flink.runtime.jobmaster.slotpool.AllocatedSlot> slots, long currentTime)
      Description copied from interface: AllocatedSlotPool
      Adds the given collection of slots to the slot pool.
      Specified by:
      addSlots in interface AllocatedSlotPool
      Parameters:
      slots - slots to add to the slot pool
      currentTime - currentTime when the slots have been added to the slot pool

    • removeSlot

      public Optional<org.apache.flink.runtime.jobmaster.slotpool.AllocatedSlot> removeSlot(AllocationID allocationId)
      Description copied from interface: AllocatedSlotPool
      Removes the slot with the given allocationId from the slot pool.
      Specified by:
      removeSlot in interface AllocatedSlotPool
      Parameters:
      allocationId - allocationId identifying the slot to remove from the slot pool
      Returns:
      the removed slot if there was a slot with the given allocationId; otherwise Optional.empty()

    • removeSlots

      public AllocatedSlotPool.AllocatedSlotsAndReservationStatus removeSlots(ResourceID owner)
      Description copied from interface: AllocatedSlotPool
      Removes all slots belonging to the owning TaskExecutor identified by owner.
      Specified by:
      removeSlots in interface AllocatedSlotPool
      Parameters:
      owner - owner identifies the TaskExecutor whose slots shall be removed
      Returns:
      the collection of removed slots and for each slot whether it was currently free

    • containsSlots

      public boolean containsSlots(ResourceID owner)
      Description copied from interface: AllocatedSlotPool
      Checks whether the slot pool contains at least one slot belonging to the specified owner.
      Specified by:
      containsSlots in interface AllocatedSlotPool
      Parameters:
      owner - owner for which to check whether the slot pool contains slots
      Returns:
      true if the slot pool contains a slot from the given owner; otherwise false

    • containsSlot

      public boolean containsSlot(AllocationID allocationId)
      Description copied from interface: AllocatedSlotPool
      Checks whether the slot pool contains a slot with the given allocationId.
      Specified by:
      containsSlot in interface AllocatedSlotPool
      Parameters:
      allocationId - allocationId identifying the slot for which to check whether it is contained
      Returns:
      true if the slot pool contains the slot with the given allocationId; otherwise false

    • containsFreeSlot

      public boolean containsFreeSlot(AllocationID allocationId)
      Description copied from interface: AllocatedSlotPool
      Checks whether the slot pool contains a slot with the given AllocationID and if it is free.
      Specified by:
      containsFreeSlot in interface AllocatedSlotPool
      Parameters:
      allocationId - allocationId specifies the slot to check for
      Returns:
      true if the slot pool contains a free slot registered under the given allocation id; otherwise false

    • reserveFreeSlot

      public org.apache.flink.runtime.jobmaster.slotpool.AllocatedSlot reserveFreeSlot(AllocationID allocationId)
      Description copied from interface: AllocatedSlotPool
      Reserves the free slot specified by the given allocationId.
      Specified by:
      reserveFreeSlot in interface AllocatedSlotPool
      Parameters:
      allocationId - allocationId identifying the free slot to reserve
      Returns:
      the AllocatedSlot which has been reserved

    • freeReservedSlot

      public Optional<org.apache.flink.runtime.jobmaster.slotpool.AllocatedSlot> freeReservedSlot(AllocationID allocationId, long currentTime)
      Description copied from interface: AllocatedSlotPool
      Frees the reserved slot, adding it back into the set of free slots.
      Specified by:
      freeReservedSlot in interface AllocatedSlotPool
      Parameters:
      allocationId - identifying the reserved slot to freed
      currentTime - currentTime when the slot has been freed
      Returns:
      the freed AllocatedSlot if there was an allocated with the given allocationId; otherwise Optional.empty().

    • getSlotInformation

      public Optional<SlotInfo> getSlotInformation(AllocationID allocationID)
      Description copied from interface: AllocatedSlotPool
      Returns slot information specified by the given allocationId.
      Specified by:
      getSlotInformation in interface AllocatedSlotPool
      Returns:
      the slot information if there was a slot with the given allocationId; otherwise Optional.empty()

    • getFreeSlotTracker

      public FreeSlotTracker getFreeSlotTracker()
      Description copied from interface: AllocatedSlotPool
      Returns information about all currently free slots.
      Specified by:
      getFreeSlotTracker in interface AllocatedSlotPool
      Returns:
      free slot information

    • getAllSlotsInformation

      public Collection<? extends SlotInfo> getAllSlotsInformation()
      Description copied from interface: AllocatedSlotPool
      Returns information about all slots in this pool.
      Specified by:
      getAllSlotsInformation in interface AllocatedSlotPool
      Returns:
      collection of all slot information