Uses of Interface
org.apache.flink.runtime.state.StateBackend

Packages that use StateBackend

Package	Description
org.apache.flink.runtime.checkpoint
org.apache.flink.runtime.executiongraph
org.apache.flink.runtime.jobgraph.tasks
org.apache.flink.runtime.state
org.apache.flink.runtime.state.delegate
org.apache.flink.runtime.state.filesystem
org.apache.flink.runtime.state.hashmap
org.apache.flink.streaming.api.graph
org.apache.flink.streaming.api.operators
org.apache.flink.streaming.api.operators.sorted.state
org.apache.flink.streaming.runtime.tasks

Uses of StateBackend in org.apache.flink.runtime.checkpoint

Methods in org.apache.flink.runtime.checkpoint that return StateBackend

Modifier and Type	Method	Description
static StateBackend	Checkpoints.loadStateBackend(org.apache.flink.configuration.Configuration jobConfig, org.apache.flink.configuration.Configuration clusterConfig, ClassLoader classLoader, org.slf4j.Logger logger)

Uses of StateBackend in org.apache.flink.runtime.executiongraph

Methods in org.apache.flink.runtime.executiongraph with parameters of type StateBackend

Modifier and Type	Method	Description
void	DefaultExecutionGraph.enableCheckpointing(CheckpointCoordinatorConfiguration chkConfig, List<MasterTriggerRestoreHook<?>> masterHooks, CheckpointIDCounter checkpointIDCounter, CompletedCheckpointStore checkpointStore, StateBackend checkpointStateBackend, CheckpointStorage checkpointStorage, CheckpointStatsTracker statsTracker, CheckpointsCleaner checkpointsCleaner, String changelogStorageName)
void	ExecutionGraph.enableCheckpointing(CheckpointCoordinatorConfiguration chkConfig, List<MasterTriggerRestoreHook<?>> masterHooks, CheckpointIDCounter checkpointIDCounter, CompletedCheckpointStore checkpointStore, StateBackend checkpointStateBackend, CheckpointStorage checkpointStorage, CheckpointStatsTracker statsTracker, CheckpointsCleaner checkpointsCleaner, String changelogStorage)

Uses of StateBackend in org.apache.flink.runtime.jobgraph.tasks

Methods in org.apache.flink.runtime.jobgraph.tasks that return types with arguments of type StateBackend

Modifier and Type	Method	Description
org.apache.flink.util.SerializedValue<StateBackend>	JobCheckpointingSettings.getDefaultStateBackend()

Constructor parameters in org.apache.flink.runtime.jobgraph.tasks with type arguments of type StateBackend

Constructor	Description
JobCheckpointingSettings(CheckpointCoordinatorConfiguration checkpointCoordinatorConfiguration, org.apache.flink.util.SerializedValue<StateBackend> defaultStateBackend)
JobCheckpointingSettings(CheckpointCoordinatorConfiguration checkpointCoordinatorConfiguration, org.apache.flink.util.SerializedValue<StateBackend> defaultStateBackend, org.apache.flink.util.TernaryBoolean changelogStateBackendEnabled, org.apache.flink.util.SerializedValue<CheckpointStorage> defaultCheckpointStorage, org.apache.flink.util.SerializedValue<MasterTriggerRestoreHook.Factory[]> masterHooks)
JobCheckpointingSettings(CheckpointCoordinatorConfiguration checkpointCoordinatorConfiguration, org.apache.flink.util.SerializedValue<StateBackend> defaultStateBackend, org.apache.flink.util.TernaryBoolean changelogStateBackendEnabled, org.apache.flink.util.SerializedValue<CheckpointStorage> defaultCheckpointStorage, org.apache.flink.util.SerializedValue<MasterTriggerRestoreHook.Factory[]> masterHooks, org.apache.flink.util.TernaryBoolean stateBackendUseManagedMemory)

Uses of StateBackend in org.apache.flink.runtime.state

Classes in org.apache.flink.runtime.state with type parameters of type StateBackend

Modifier and Type	Interface	Description
interface	StateBackendFactory<T extends StateBackend>	A factory to create a specific state backend.

Subinterfaces of StateBackend in org.apache.flink.runtime.state

Modifier and Type	Interface	Description
interface	ConfigurableStateBackend	An interface for state backends that pick up additional parameters from a configuration.

Classes in org.apache.flink.runtime.state that implement StateBackend

Modifier and Type	Class	Description
class	AbstractManagedMemoryStateBackend	Abstract base class for state backends that use managed memory.
class	AbstractStateBackend	An abstract base implementation of the StateBackend interface.

Methods in org.apache.flink.runtime.state that return StateBackend

Modifier and Type	Method	Description
StateBackend	ConfigurableStateBackend.configure(org.apache.flink.configuration.ReadableConfig config, ClassLoader classLoader)	Creates a variant of the state backend that applies additional configuration parameters.
static StateBackend	StateBackendLoader.fromApplicationOrConfigOrDefault(StateBackend fromApplication, org.apache.flink.configuration.Configuration jobConfig, org.apache.flink.configuration.Configuration clusterConfig, ClassLoader classLoader, org.slf4j.Logger logger)	This is the state backend loader that loads a DelegatingStateBackend wrapping the state backend loaded from StateBackendLoader.loadFromApplicationOrConfigOrDefaultInternal(org.apache.flink.runtime.state.StateBackend, org.apache.flink.configuration.Configuration, org.apache.flink.configuration.Configuration, java.lang.ClassLoader, org.slf4j.Logger) when delegation is enabled.
static StateBackend	StateBackendLoader.loadStateBackendFromConfig(org.apache.flink.configuration.ReadableConfig config, ClassLoader classLoader, org.slf4j.Logger logger)	Loads the unwrapped state backend from the configuration, from the parameter 'state.backend', as defined in StateBackendOptions.STATE_BACKEND.
static StateBackend	StateBackendLoader.loadStateBackendFromKeyedStateHandles(StateBackend originalStateBackend, ClassLoader classLoader, Collection<KeyedStateHandle> keyedStateHandles)	Load state backend which may wrap the original state backend for recovery.

Methods in org.apache.flink.runtime.state with parameters of type StateBackend

Modifier and Type	Method	Description
static StateBackend	StateBackendLoader.fromApplicationOrConfigOrDefault(StateBackend fromApplication, org.apache.flink.configuration.Configuration jobConfig, org.apache.flink.configuration.Configuration clusterConfig, ClassLoader classLoader, org.slf4j.Logger logger)	This is the state backend loader that loads a DelegatingStateBackend wrapping the state backend loaded from StateBackendLoader.loadFromApplicationOrConfigOrDefaultInternal(org.apache.flink.runtime.state.StateBackend, org.apache.flink.configuration.Configuration, org.apache.flink.configuration.Configuration, java.lang.ClassLoader, org.slf4j.Logger) when delegation is enabled.
static boolean	StateBackendLoader.isChangelogStateBackend(StateBackend backend)
static CheckpointStorage	CheckpointStorageLoader.load(CheckpointStorage fromApplication, StateBackend configuredStateBackend, org.apache.flink.configuration.Configuration jobConfig, org.apache.flink.configuration.Configuration clusterConfig, ClassLoader classLoader, org.slf4j.Logger logger)	Loads the configured CheckpointStorage for the job based on the following precedent rules:
static StateBackend	StateBackendLoader.loadStateBackendFromKeyedStateHandles(StateBackend originalStateBackend, ClassLoader classLoader, Collection<KeyedStateHandle> keyedStateHandles)	Load state backend which may wrap the original state backend for recovery.

Uses of StateBackend in org.apache.flink.runtime.state.delegate

Subinterfaces of StateBackend in org.apache.flink.runtime.state.delegate

Modifier and Type	Interface	Description
interface	DelegatingStateBackend	An interface to delegate state backend.

Methods in org.apache.flink.runtime.state.delegate that return StateBackend

Modifier and Type	Method	Description
StateBackend	DelegatingStateBackend.getDelegatedStateBackend()

Uses of StateBackend in org.apache.flink.runtime.state.filesystem

Classes in org.apache.flink.runtime.state.filesystem that implement StateBackend

Modifier and Type	Class	Description
class	AbstractFileStateBackend	Deprecated. State backends should no longer implement CheckpointStorage functionality.

Uses of StateBackend in org.apache.flink.runtime.state.hashmap

Classes in org.apache.flink.runtime.state.hashmap that implement StateBackend

Modifier and Type	Class	Description
class	HashMapStateBackend	This state backend holds the working state in the memory (JVM heap) of the TaskManagers and checkpoints based on the configured CheckpointStorage.

Uses of StateBackend in org.apache.flink.streaming.api.graph

Methods in org.apache.flink.streaming.api.graph that return StateBackend

Modifier and Type	Method	Description
StateBackend	StreamConfig.getStateBackend(ClassLoader cl)
StateBackend	StreamGraph.getStateBackend()

Methods in org.apache.flink.streaming.api.graph with parameters of type StateBackend

Modifier and Type	Method	Description
void	StreamConfig.setStateBackend(StateBackend backend)
void	StreamGraph.setStateBackend(StateBackend backend)

Method parameters in org.apache.flink.streaming.api.graph with type arguments of type StateBackend

Modifier and Type	Method	Description
void	StreamConfig.setSerializedStateBackend(org.apache.flink.util.SerializedValue<StateBackend> serializedStateBackend, boolean useManagedMemory)

Uses of StateBackend in org.apache.flink.streaming.api.operators

Methods in org.apache.flink.streaming.api.operators with parameters of type StateBackend

Modifier and Type	Method	Description
R	StreamTaskStateInitializerImpl.KeyedStateBackendCreator.create(StateBackend stateBackend, StateBackend.KeyedStateBackendParameters<K> keyedStateBackendParameters)	Create the keyed state backend.

Constructors in org.apache.flink.streaming.api.operators with parameters of type StateBackend

Constructor	Description
StreamTaskStateInitializerImpl(Environment environment, StateBackend stateBackend)
StreamTaskStateInitializerImpl(Environment environment, StateBackend stateBackend, SubTaskInitializationMetricsBuilder initializationMetrics, TtlTimeProvider ttlTimeProvider, InternalTimeServiceManager.Provider timeServiceManagerProvider, StreamTaskCancellationContext cancellationContext)

Uses of StateBackend in org.apache.flink.streaming.api.operators.sorted.state

Classes in org.apache.flink.streaming.api.operators.sorted.state that implement StateBackend

Modifier and Type	Class	Description
class	BatchExecutionStateBackend	A simple StateBackend which is used in a BATCH style execution.

Uses of StateBackend in org.apache.flink.streaming.runtime.tasks

Fields in org.apache.flink.streaming.runtime.tasks declared as StateBackend

Modifier and Type	Field	Description
protected StateBackend	StreamTask.stateBackend	Our state backend.