Package org.apache.flink.runtime.state

Interface PriorityQueueSetFactory

All Known Subinterfaces:
AsyncKeyedStateBackend<K>, CheckpointableKeyedStateBackend<K>, KeyedStateBackend<K>, TestableKeyedStateBackend<K>
All Known Implementing Classes:
AbstractKeyedStateBackend, AsyncKeyedStateBackendAdaptor, BatchExecutionKeyedStateBackend, HeapKeyedStateBackend, HeapPriorityQueueSetFactory
public interface PriorityQueueSetFactory
Factory for KeyGroupedInternalPriorityQueue instances.

  • Method Details

    • create

      @Nonnull <T extends HeapPriorityQueueElement & PriorityComparable<? super T> & Keyed<?>> KeyGroupedInternalPriorityQueue<T> create(@Nonnull String stateName, @Nonnull org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer)
      Creates a KeyGroupedInternalPriorityQueue.
      Type Parameters:
      T - type of the stored elements.
      Parameters:
      stateName - unique name for associated with this queue.
      byteOrderedElementSerializer - a serializer that with a format that is lexicographically ordered in alignment with elementPriorityComparator.
      Returns:
      the queue with the specified unique name.

    • create

      default <T extends HeapPriorityQueueElement & PriorityComparable<? super T> & Keyed<?>> KeyGroupedInternalPriorityQueue<T> create(@Nonnull String stateName, @Nonnull org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer, boolean allowFutureMetadataUpdates)
      Creates a KeyGroupedInternalPriorityQueue.
      Type Parameters:
      T - type of the stored elements.
      Parameters:
      stateName - unique name for associated with this queue.
      byteOrderedElementSerializer - a serializer that with a format that is lexicographically ordered in alignment with elementPriorityComparator.
      allowFutureMetadataUpdates - whether allow metadata to update in the future or not.
      Returns:
      the queue with the specified unique name.