org.apache.flink.runtime.checkpoint.metadata

类 MetadataV4Serializer

java.lang.Object

org.apache.flink.runtime.checkpoint.metadata.MetadataV4Serializer

所有已实现的接口:

org.apache.flink.core.io.Versioned, MetadataSerializer

@Internal
public class MetadataV4Serializer
extends Object
implements MetadataSerializer

V4 serializer that adds CheckpointProperties serialization.

字段概要

字段

限定符和类型	字段和说明
static MetadataSerializer	INSTANCE
static int	VERSION

构造器概要

构造器

构造器和说明
MetadataV4Serializer()

方法概要

限定符和类型	方法和说明
CheckpointMetadata	deserialize(DataInputStream dis, ClassLoader userCodeClassLoader, String externalPointer) Deserializes a savepoint from an input stream.
int	getVersion()
void	serialize(CheckpointMetadata checkpointMetadata, DataOutputStream dos) Serializes a savepoint or checkpoint metadata to an output stream.

从类继承的方法 java.lang.Object

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

字段详细资料

INSTANCE

public static final MetadataSerializer INSTANCE

VERSION

public static final int VERSION

另请参阅:

常量字段值

构造器详细资料

MetadataV4Serializer

public MetadataV4Serializer()

方法详细资料

getVersion

public int getVersion()

指定者:

getVersion 在接口中 org.apache.flink.core.io.Versioned

deserialize

public CheckpointMetadata deserialize(DataInputStream dis,
                                      ClassLoader userCodeClassLoader,
                                      String externalPointer)
                               throws IOException

从接口复制的说明: MetadataSerializer

Deserializes a savepoint from an input stream.

指定者:

deserialize 在接口中 MetadataSerializer

参数:

dis - Input stream to deserialize savepoint from

userCodeClassLoader - the user code class loader

externalPointer - the external pointer of the given checkpoint

返回:

The deserialized savepoint

抛出:

IOException - Serialization failures are forwarded

serialize

public void serialize(CheckpointMetadata checkpointMetadata,
                      DataOutputStream dos)
               throws IOException

从接口复制的说明: MetadataSerializer

Serializes a savepoint or checkpoint metadata to an output stream.

指定者:

serialize 在接口中 MetadataSerializer

抛出:

IOException - Serialization failures are forwarded