org.apache.flink.runtime.state

Class OperatorBackendSerializationProxy

java.lang.Object

org.apache.flink.core.io.VersionedIOReadableWritable

org.apache.flink.runtime.state.OperatorBackendSerializationProxy

All Implemented Interfaces:

IOReadableWritable, Versioned

public class OperatorBackendSerializationProxy
extends VersionedIOReadableWritable

Serialization proxy for all meta data in operator 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	OperatorBackendSerializationProxy.StateMetaInfo<S>

Constructor Summary

Constructors

Constructor and Description
OperatorBackendSerializationProxy(ClassLoader userCodeClassLoader)
OperatorBackendSerializationProxy(List<OperatorBackendSerializationProxy.StateMetaInfo<?>> namedStateSerializationProxies)

Method Summary

Methods

Modifier and Type	Method and Description
List<OperatorBackendSerializationProxy.StateMetaInfo<?>>	getNamedStateSerializationProxies()
int	getVersion()
void	read(DataInputView out)
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

OperatorBackendSerializationProxy

public OperatorBackendSerializationProxy(ClassLoader userCodeClassLoader)

OperatorBackendSerializationProxy

public OperatorBackendSerializationProxy(List<OperatorBackendSerializationProxy.StateMetaInfo<?>> namedStateSerializationProxies)

Method Detail

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 out)
          throws IOException

Specified by:

read in interface IOReadableWritable

Overrides:

read in class VersionedIOReadableWritable

Throws:

IOException

getNamedStateSerializationProxies

public List<OperatorBackendSerializationProxy.StateMetaInfo<?>> getNamedStateSerializationProxies()