org.apache.flink.api.common.typeutils

Interface LegacySerializerSnapshotTransformer<T>

All Known Implementing Classes:

ListViewSerializer, Lockable.LockableTypeSerializer, MapViewSerializer

@Internal
public interface LegacySerializerSnapshotTransformer<T>

This interface provides a way for TypeSerializers to transform a legacy TypeSerializerSnapshot used in versions before Flink 1.7 during deserialization.

Method Summary

Modifier and Type	Method and Description
<U> TypeSerializerSnapshot<T>	transformLegacySerializerSnapshot(TypeSerializerSnapshot<U> legacySnapshot) Transform a TypeSerializerSnapshot that was previously associated with this TypeSerializer.

Method Detail

transformLegacySerializerSnapshot

<U> TypeSerializerSnapshot<T> transformLegacySerializerSnapshot(TypeSerializerSnapshot<U> legacySnapshot)

Transform a TypeSerializerSnapshot that was previously associated with this TypeSerializer.

Type Parameters:

U - the legacy snapshot's serializer data type.

Parameters:

legacySnapshot - the snapshot to transform.

Returns:

a possibly transformed snapshot.