org.apache.flink.contrib.streaming.state

Class RocksDBKeyedStateBackendBuilder<K>

java.lang.Object

org.apache.flink.runtime.state.AbstractKeyedStateBackendBuilder<K>

org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackendBuilder<K>

Type Parameters:

K - The data type that the key serializer serializes.

All Implemented Interfaces:

org.apache.flink.runtime.state.StateBackendBuilder<org.apache.flink.runtime.state.AbstractKeyedStateBackend,org.apache.flink.runtime.state.BackendBuildingException>

public class RocksDBKeyedStateBackendBuilder<K>
extends org.apache.flink.runtime.state.AbstractKeyedStateBackendBuilder<K>

Builder class for RocksDBKeyedStateBackend which handles all necessary initializations and clean ups.

Field Summary

Fields inherited from class org.apache.flink.runtime.state.AbstractKeyedStateBackendBuilder

cancelStreamRegistry, executionConfig, keyGroupCompressionDecorator, keyGroupRange, keySerializerProvider, kvStateRegistry, latencyTrackingStateConfig, logger, numberOfKeyGroups, restoreStateHandles, ttlTimeProvider, userCodeClassLoader

Constructor Summary

Constructors

Constructor and Description

RocksDBKeyedStateBackendBuilder(String operatorIdentifier, ClassLoader userCodeClassLoader, File instanceBasePath, RocksDBResourceContainer optionsContainer, java.util.function.Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory, org.apache.flink.runtime.query.TaskKvStateRegistry kvStateRegistry, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, int numberOfKeyGroups, org.apache.flink.runtime.state.KeyGroupRange keyGroupRange, org.apache.flink.api.common.ExecutionConfig executionConfig, org.apache.flink.runtime.state.LocalRecoveryConfig localRecoveryConfig, EmbeddedRocksDBStateBackend.PriorityQueueStateType priorityQueueStateType, org.apache.flink.runtime.state.ttl.TtlTimeProvider ttlTimeProvider, org.apache.flink.runtime.state.metrics.LatencyTrackingStateConfig latencyTrackingStateConfig, org.apache.flink.metrics.MetricGroup metricGroup, Collection<org.apache.flink.runtime.state.KeyedStateHandle> stateHandles, org.apache.flink.runtime.state.StreamCompressionDecorator keyGroupCompressionDecorator, org.apache.flink.core.fs.CloseableRegistry cancelStreamRegistry)

Method Summary

Modifier and Type	Method and Description
RocksDBKeyedStateBackend<K>	build()

Methods inherited from class java.lang.Object

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

Constructor Detail

RocksDBKeyedStateBackendBuilder

public RocksDBKeyedStateBackendBuilder(String operatorIdentifier,
                                       ClassLoader userCodeClassLoader,
                                       File instanceBasePath,
                                       RocksDBResourceContainer optionsContainer,
                                       java.util.function.Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory,
                                       org.apache.flink.runtime.query.TaskKvStateRegistry kvStateRegistry,
                                       org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer,
                                       int numberOfKeyGroups,
                                       org.apache.flink.runtime.state.KeyGroupRange keyGroupRange,
                                       org.apache.flink.api.common.ExecutionConfig executionConfig,
                                       org.apache.flink.runtime.state.LocalRecoveryConfig localRecoveryConfig,
                                       EmbeddedRocksDBStateBackend.PriorityQueueStateType priorityQueueStateType,
                                       org.apache.flink.runtime.state.ttl.TtlTimeProvider ttlTimeProvider,
                                       org.apache.flink.runtime.state.metrics.LatencyTrackingStateConfig latencyTrackingStateConfig,
                                       org.apache.flink.metrics.MetricGroup metricGroup,
                                       @Nonnull
                                       Collection<org.apache.flink.runtime.state.KeyedStateHandle> stateHandles,
                                       org.apache.flink.runtime.state.StreamCompressionDecorator keyGroupCompressionDecorator,
                                       org.apache.flink.core.fs.CloseableRegistry cancelStreamRegistry)

Method Detail

build

public RocksDBKeyedStateBackend<K> build()
                                  throws org.apache.flink.runtime.state.BackendBuildingException

Throws:

org.apache.flink.runtime.state.BackendBuildingException