org.apache.flink.contrib.streaming.state

Class RocksDBPriorityQueueSetFactory

java.lang.Object

org.apache.flink.contrib.streaming.state.RocksDBPriorityQueueSetFactory

All Implemented Interfaces:

org.apache.flink.runtime.state.PriorityQueueSetFactory

public class RocksDBPriorityQueueSetFactory
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 and 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 Detail

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()