org.apache.flink.runtime.state

类 KeyedBackendSerializationProxy<K>

java.lang.Object

org.apache.flink.core.io.VersionedIOReadableWritable

org.apache.flink.runtime.state.KeyedBackendSerializationProxy<K>

所有已实现的接口:

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

public class KeyedBackendSerializationProxy<K>
extends org.apache.flink.core.io.VersionedIOReadableWritable

Serialization proxy for all meta data in keyed state backends. In the future we might also requiresMigration the actual state serialization logic here.

字段概要

字段

限定符和类型	字段和说明
static int	VERSION

构造器概要

构造器

构造器和说明
KeyedBackendSerializationProxy(ClassLoader userCodeClassLoader)
KeyedBackendSerializationProxy(org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, List<StateMetaInfoSnapshot> stateMetaInfoSnapshots, boolean compression)

方法概要

限定符和类型	方法和说明
int[]	getCompatibleVersions()
org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<K>	getKeySerializerSnapshot()
List<StateMetaInfoSnapshot>	getStateMetaInfoSnapshots()
int	getVersion()
boolean	isUsingKeyGroupCompression()
void	read(org.apache.flink.core.memory.DataInputView in)
void	write(org.apache.flink.core.memory.DataOutputView out)

从类继承的方法 org.apache.flink.core.io.VersionedIOReadableWritable

getReadVersion

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

VERSION

public static final int VERSION

另请参阅:

常量字段值

构造器详细资料

KeyedBackendSerializationProxy

public KeyedBackendSerializationProxy(ClassLoader userCodeClassLoader)

KeyedBackendSerializationProxy

public KeyedBackendSerializationProxy(org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer,
                                      List<StateMetaInfoSnapshot> stateMetaInfoSnapshots,
                                      boolean compression)

方法详细资料

getStateMetaInfoSnapshots

public List<StateMetaInfoSnapshot> getStateMetaInfoSnapshots()

getKeySerializerSnapshot

public org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<K> getKeySerializerSnapshot()

isUsingKeyGroupCompression

public boolean isUsingKeyGroupCompression()

getVersion

public int getVersion()

getCompatibleVersions

public int[] getCompatibleVersions()

覆盖:

getCompatibleVersions 在类中 org.apache.flink.core.io.VersionedIOReadableWritable

write

public void write(org.apache.flink.core.memory.DataOutputView out)
           throws IOException

指定者:

write 在接口中 org.apache.flink.core.io.IOReadableWritable

覆盖:

write 在类中 org.apache.flink.core.io.VersionedIOReadableWritable

抛出:

IOException

read

public void read(org.apache.flink.core.memory.DataInputView in)
          throws IOException

指定者:

read 在接口中 org.apache.flink.core.io.IOReadableWritable

覆盖:

read 在类中 org.apache.flink.core.io.VersionedIOReadableWritable

抛出:

IOException