org.apache.flink.table.dataview

Class MapViewSerializerSnapshot<K,V>

java.lang.Object

org.apache.flink.table.dataview.MapViewSerializerSnapshot<K,V>

Type Parameters:

K - the key type of the map entries.

V - the value type of the map entries.

All Implemented Interfaces:

org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.api.dataview.MapView<K,V>>

public class MapViewSerializerSnapshot<K,V>
extends Object
implements org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.api.dataview.MapView<K,V>>

A TypeSerializerSnapshot for the MapViewSerializer.

Constructor Summary

Constructors

Constructor and Description
MapViewSerializerSnapshot() Constructor for read instantiation.
MapViewSerializerSnapshot(org.apache.flink.api.common.typeutils.TypeSerializer<Map<K,V>> mapSerializer) Constructor to create the snapshot for writing.

Method Summary

Modifier and Type	Method and Description
int	getCurrentVersion()
void	readSnapshot(int readVersion, org.apache.flink.core.memory.DataInputView in, ClassLoader userCodeClassLoader)
org.apache.flink.api.common.typeutils.TypeSerializerSchemaCompatibility<org.apache.flink.table.api.dataview.MapView<K,V>>	resolveSchemaCompatibility(org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.api.dataview.MapView<K,V>> newSerializer)
org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.api.dataview.MapView<K,V>>	restoreSerializer()
void	writeSnapshot(org.apache.flink.core.memory.DataOutputView out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.common.typeutils.TypeSerializerSnapshot

readVersionedSnapshot, writeVersionedSnapshot

Constructor Detail

MapViewSerializerSnapshot

public MapViewSerializerSnapshot()

Constructor for read instantiation.

MapViewSerializerSnapshot

public MapViewSerializerSnapshot(org.apache.flink.api.common.typeutils.TypeSerializer<Map<K,V>> mapSerializer)

Constructor to create the snapshot for writing.

Method Detail

getCurrentVersion

public int getCurrentVersion()

Specified by:

getCurrentVersion in interface org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.api.dataview.MapView<K,V>>

restoreSerializer

public org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.api.dataview.MapView<K,V>> restoreSerializer()

Specified by:

restoreSerializer in interface org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.api.dataview.MapView<K,V>>

resolveSchemaCompatibility

public org.apache.flink.api.common.typeutils.TypeSerializerSchemaCompatibility<org.apache.flink.table.api.dataview.MapView<K,V>> resolveSchemaCompatibility(org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.api.dataview.MapView<K,V>> newSerializer)

Specified by:

resolveSchemaCompatibility in interface org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.api.dataview.MapView<K,V>>

writeSnapshot

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

Specified by:

writeSnapshot in interface org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.api.dataview.MapView<K,V>>

Throws:

IOException

readSnapshot

public void readSnapshot(int readVersion,
                         org.apache.flink.core.memory.DataInputView in,
                         ClassLoader userCodeClassLoader)
                  throws IOException

Specified by:

readSnapshot in interface org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.api.dataview.MapView<K,V>>

Throws:

IOException