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

使用StateSnapshotTransformer的程序包

程序包	说明
org.apache.flink.runtime.state
org.apache.flink.runtime.state.heap	This package contains the classes for key/value state backends that store the state on the JVM heap as objects.

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

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

限定符和类型	接口和说明
static interface	StateSnapshotTransformer.CollectionStateSnapshotTransformer<T> Collection state specific transformer which says how to transform entries of the collection.

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

限定符和类型	类和说明
static class	StateSnapshotTransformers.ListStateSnapshotTransformer<T> General implementation of list state transformer.
static class	StateSnapshotTransformers.MapStateSnapshotTransformer<K,V> General implementation of map state transformer.

返回变量类型为StateSnapshotTransformer的类型的org.apache.flink.runtime.state中的方法

限定符和类型	方法和说明
Optional<StateSnapshotTransformer<T>>	StateSnapshotTransformer.StateSnapshotTransformFactory.createForDeserializedState()
Optional<StateSnapshotTransformer<List<T>>>	StateSnapshotTransformers.ListStateSnapshotTransformFactory.createForDeserializedState()
Optional<StateSnapshotTransformer<Map<K,V>>>	StateSnapshotTransformers.MapStateSnapshotTransformFactory.createForDeserializedState()
Optional<StateSnapshotTransformer<T>>	StateSnapshotTransformers.StateSnapshotTransformFactoryWrapAdaptor.createForDeserializedState()
Optional<StateSnapshotTransformer<byte[]>>	StateSnapshotTransformer.StateSnapshotTransformFactory.createForSerializedState()
Optional<StateSnapshotTransformer<byte[]>>	StateSnapshotTransformers.StateSnapshotTransformFactoryWrapAdaptor.createForSerializedState()

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

限定符和类型	方法和说明
default StateEntry<K,N,S>	StateEntry.filterOrTransform(StateSnapshotTransformer<S> transformer)

参数类型为StateSnapshotTransformer的org.apache.flink.runtime.state中的构造器

构造器和说明
ListStateSnapshotTransformer(StateSnapshotTransformer<T> entryValueTransformer)
MapStateSnapshotTransformer(StateSnapshotTransformer<V> entryValueTransformer)

org.apache.flink.runtime.state.heap中StateSnapshotTransformer的使用

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

限定符和类型	方法和说明
org.apache.flink.runtime.state.heap.CopyOnWriteStateMapSnapshot.SnapshotIterator<K,N,S>	CopyOnWriteStateMapSnapshot.getIterator(org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.typeutils.TypeSerializer<S> stateSerializer, StateSnapshotTransformer<S> stateSnapshotTransformer)
abstract Iterator<StateEntry<K,N,S>>	StateMapSnapshot.getIterator(org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.typeutils.TypeSerializer<S> stateSerializer, StateSnapshotTransformer<S> stateSnapshotTransformer)
void	CopyOnWriteStateMapSnapshot.writeState(org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.typeutils.TypeSerializer<S> stateSerializer, org.apache.flink.core.memory.DataOutputView dov, StateSnapshotTransformer<S> stateSnapshotTransformer)
abstract void	StateMapSnapshot.writeState(org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.typeutils.TypeSerializer<S> stateSerializer, org.apache.flink.core.memory.DataOutputView dov, StateSnapshotTransformer<S> stateSnapshotTransformer) Writes the state in this snapshot to output.