org.apache.flink.runtime.state

类 StateSnapshotTransformers.ListStateSnapshotTransformer<T>

java.lang.Object

org.apache.flink.runtime.state.StateSnapshotTransformers.ListStateSnapshotTransformer<T>

所有已实现的接口:

StateSnapshotTransformer<List<T>>

封闭类:

StateSnapshotTransformers

public static class StateSnapshotTransformers.ListStateSnapshotTransformer<T>
extends Object
implements StateSnapshotTransformer<List<T>>

General implementation of list state transformer.

This transformer wraps a transformer per-entry and transforms the whole list state. If the wrapped per entry transformer is CollectionStateSnapshotTransformer, it respects its CollectionStateSnapshotTransformer.TransformStrategy.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.runtime.state.StateSnapshotTransformer

StateSnapshotTransformer.CollectionStateSnapshotTransformer<T>, StateSnapshotTransformer.StateSnapshotTransformFactory<T>

构造器概要

构造器

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

方法概要

限定符和类型	方法和说明
List<T>	filterOrTransform(List<T> list) Transform or filter out state values which are included or skipped in the snapshot.

从类继承的方法 java.lang.Object

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

构造器详细资料

ListStateSnapshotTransformer

public ListStateSnapshotTransformer(StateSnapshotTransformer<T> entryValueTransformer)

方法详细资料

filterOrTransform

@Nullable
public List<T> filterOrTransform(@Nullable
                                           List<T> list)

从接口复制的说明: StateSnapshotTransformer

Transform or filter out state values which are included or skipped in the snapshot.

指定者:

filterOrTransform 在接口中 StateSnapshotTransformer<List<T>>

参数:

list - non-serialized form of value

返回:

value to snapshot or null which means the entry is not included