接口的使用
org.apache.flink.runtime.state.StateBackend

使用StateBackend的程序包

程序包	说明
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.runtime.state.memory

org.apache.flink.runtime.checkpoint中StateBackend的使用

返回StateBackend的org.apache.flink.runtime.checkpoint中的方法

限定符和类型	方法和说明
static StateBackend	Checkpoints.loadStateBackend(org.apache.flink.configuration.Configuration configuration, ClassLoader classLoader, org.slf4j.Logger logger)

org.apache.flink.runtime.executiongraph中StateBackend的使用

参数类型为StateBackend的org.apache.flink.runtime.executiongraph中的方法

限定符和类型	方法和说明
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)

org.apache.flink.runtime.jobgraph.tasks中StateBackend的使用

返回变量类型为StateBackend的类型的org.apache.flink.runtime.jobgraph.tasks中的方法

限定符和类型	方法和说明
org.apache.flink.util.SerializedValue<StateBackend>	JobCheckpointingSettings.getDefaultStateBackend()

类型变量类型为StateBackend的org.apache.flink.runtime.jobgraph.tasks中的构造器参数

构造器和说明
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)

org.apache.flink.runtime.state中StateBackend的使用

类型参数类型为StateBackend的org.apache.flink.runtime.state中的类

限定符和类型	接口和说明
interface	StateBackendFactory<T extends StateBackend> A factory to create a specific state backend.

org.apache.flink.runtime.state中StateBackend的子接口

限定符和类型	接口和说明
interface	ConfigurableStateBackend An interface for state backends that pick up additional parameters from a configuration.

实现StateBackend的org.apache.flink.runtime.state中的类

限定符和类型	类和说明
class	AbstractManagedMemoryStateBackend Abstract base class for state backends that use managed memory.
class	AbstractStateBackend An abstract base implementation of the StateBackend interface.

返回StateBackend的org.apache.flink.runtime.state中的方法

限定符和类型	方法和说明
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.util.TernaryBoolean isChangelogStateBackendEnableFromApplication, org.apache.flink.configuration.Configuration config, 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, 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.

参数类型为StateBackend的org.apache.flink.runtime.state中的方法

限定符和类型	方法和说明
static StateBackend	StateBackendLoader.fromApplicationOrConfigOrDefault(StateBackend fromApplication, org.apache.flink.util.TernaryBoolean isChangelogStateBackendEnableFromApplication, org.apache.flink.configuration.Configuration config, 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, java.lang.ClassLoader, org.slf4j.Logger) when delegation is enabled.
static boolean	StateBackendLoader.isChangelogStateBackend(StateBackend backend)
static CheckpointStorage	CheckpointStorageLoader.load(CheckpointStorage fromApplication, org.apache.flink.core.fs.Path defaultSavepointDirectory, StateBackend configuredStateBackend, org.apache.flink.configuration.Configuration config, ClassLoader classLoader, org.slf4j.Logger logger) Loads the configured CheckpointStorage for the job based on the following precedent rules: 1) If the jobs configured StateBackend implements CheckpointStorage it will always be used.
static StateBackend	StateBackendLoader.loadStateBackendFromKeyedStateHandles(StateBackend originalStateBackend, ClassLoader classLoader, Collection<KeyedStateHandle> keyedStateHandles) Load state backend which may wrap the original state backend for recovery.

org.apache.flink.runtime.state.delegate中StateBackend的使用

org.apache.flink.runtime.state.delegate中StateBackend的子接口

限定符和类型	接口和说明
interface	DelegatingStateBackend An interface to delegate state backend.

返回StateBackend的org.apache.flink.runtime.state.delegate中的方法

限定符和类型	方法和说明
StateBackend	DelegatingStateBackend.getDelegatedStateBackend()

org.apache.flink.runtime.state.filesystem中StateBackend的使用

实现StateBackend的org.apache.flink.runtime.state.filesystem中的类

限定符和类型	类和说明
class	AbstractFileStateBackend 已过时。 State backends should no longer implement CheckpointStorage functionality. Please inherit AbstractStateBackend instead. Custom checkpoint storage can be additionally implemented as a separate class.
class	FsStateBackend 已过时。

org.apache.flink.runtime.state.hashmap中StateBackend的使用

实现StateBackend的org.apache.flink.runtime.state.hashmap中的类

限定符和类型	类和说明
class	HashMapStateBackend This state backend holds the working state in the memory (JVM heap) of the TaskManagers and checkpoints based on the configured CheckpointStorage.

org.apache.flink.runtime.state.memory中StateBackend的使用

实现StateBackend的org.apache.flink.runtime.state.memory中的类

限定符和类型	类和说明
class	MemoryStateBackend 已过时。