org.apache.flink.runtime.state.metainfo

接口 StateMetaInfoReader

所有已知实现类:

LegacyStateMetaInfoReaders.OperatorBackendStateMetaInfoReaderV1

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface StateMetaInfoReader

Functional interface to read StateMetaInfoSnapshot.

方法概要

限定符和类型	方法和说明
StateMetaInfoSnapshot	readStateMetaInfoSnapshot(org.apache.flink.core.memory.DataInputView inputView, ClassLoader userCodeClassLoader) Reads a snapshot from the given input view.

方法详细资料

readStateMetaInfoSnapshot

@Nonnull
StateMetaInfoSnapshot readStateMetaInfoSnapshot(@Nonnull
                                                         org.apache.flink.core.memory.DataInputView inputView,
                                                         @Nonnull
                                                         ClassLoader userCodeClassLoader)
                                                  throws IOException

Reads a snapshot from the given input view.

参数:

inputView - the input to read from.

userCodeClassLoader - user classloader to deserialize the objects in the snapshot.

返回:

the deserialized snapshot.

抛出:

IOException - on deserialization problems.