org.apache.flink.runtime.state

Class KeyedBackendSerializationProxy

java.lang.Object

org.apache.flink.core.io.VersionedIOReadableWritable

org.apache.flink.runtime.state.KeyedBackendSerializationProxy

All Implemented Interfaces:

IOReadableWritable, Versioned

public class KeyedBackendSerializationProxy
extends VersionedIOReadableWritable

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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KeyedBackendSerializationProxy.StateMetaInfo<N,S> This is the serialization proxy for RegisteredBackendStateMetaInfo for a single registered state in a keyed backend.

Constructor Summary

Constructors

Constructor and Description
KeyedBackendSerializationProxy(ClassLoader userCodeClassLoader)
KeyedBackendSerializationProxy(TypeSerializer<?> keySerializer, List<KeyedBackendSerializationProxy.StateMetaInfo<?,?>> namedStateSerializationProxies)

Method Summary

Methods

Modifier and Type	Method and Description
TypeSerializerSerializationProxy<?>	getKeySerializerProxy()
List<KeyedBackendSerializationProxy.StateMetaInfo<?,?>>	getNamedStateSerializationProxies()
int	getVersion()
void	read(DataInputView in)
void	write(DataOutputView out)

Methods inherited from class org.apache.flink.core.io.VersionedIOReadableWritable

isCompatibleVersion, resolveVersionRead

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyedBackendSerializationProxy

public KeyedBackendSerializationProxy(ClassLoader userCodeClassLoader)

KeyedBackendSerializationProxy

public KeyedBackendSerializationProxy(TypeSerializer<?> keySerializer,
                              List<KeyedBackendSerializationProxy.StateMetaInfo<?,?>> namedStateSerializationProxies)

Method Detail

getNamedStateSerializationProxies

public List<KeyedBackendSerializationProxy.StateMetaInfo<?,?>> getNamedStateSerializationProxies()

getKeySerializerProxy

public TypeSerializerSerializationProxy<?> getKeySerializerProxy()

getVersion

public int getVersion()

write

public void write(DataOutputView out)
           throws IOException

Specified by:

write in interface IOReadableWritable

Overrides:

write in class VersionedIOReadableWritable

Throws:

IOException

read

public void read(DataInputView in)
          throws IOException

Specified by:

read in interface IOReadableWritable

Overrides:

read in class VersionedIOReadableWritable

Throws:

IOException