Package org.apache.flink.state.forst.sync

Class ForStDBPriorityQueueSetFactory

java.lang.Object
org.apache.flink.state.forst.sync.ForStDBPriorityQueueSetFactory
All Implemented Interfaces:
org.apache.flink.runtime.state.PriorityQueueSetFactory
public class ForStDBPriorityQueueSetFactory extends Object implements org.apache.flink.runtime.state.PriorityQueueSetFactory
Encapsulates the logic and resources in connection with creating priority queue state structures, for RocksDB backend.

  • Method Summary

    Modifier and Type
    Method
    Description
    <T extends org.apache.flink.runtime.state.heap.HeapPriorityQueueElement & org.apache.flink.runtime.state.PriorityComparable<? super T> & org.apache.flink.runtime.state.Keyed<?>>
    org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T>
    create(String stateName, org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer)
     
    <T extends org.apache.flink.runtime.state.heap.HeapPriorityQueueElement & org.apache.flink.runtime.state.PriorityComparable<? super T> & org.apache.flink.runtime.state.Keyed<?>>
    org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T>
    create(String stateName, org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer, boolean allowFutureMetadataUpdates)
     
    int
    getCacheSize()
     

    Methods inherited from class java.lang.Object

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

  • Method Details

    • create

      @Nonnull public <T extends org.apache.flink.runtime.state.heap.HeapPriorityQueueElement & org.apache.flink.runtime.state.PriorityComparable<? super T> & org.apache.flink.runtime.state.Keyed<?>> org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T> create(@Nonnull String stateName, @Nonnull org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer)
      Specified by:
      create in interface org.apache.flink.runtime.state.PriorityQueueSetFactory

    • create

      @Nonnull public <T extends org.apache.flink.runtime.state.heap.HeapPriorityQueueElement & org.apache.flink.runtime.state.PriorityComparable<? super T> & org.apache.flink.runtime.state.Keyed<?>> org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T> create(@Nonnull String stateName, @Nonnull org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer, boolean allowFutureMetadataUpdates)
      Specified by:
      create in interface org.apache.flink.runtime.state.PriorityQueueSetFactory

    • getCacheSize

      @VisibleForTesting public int getCacheSize()