org.apache.flink.api.scala.typeutils

Class ScalaOptionSerializerSnapshot<E>

java.lang.Object

org.apache.flink.api.common.typeutils.CompositeTypeSerializerSnapshot<scala.Option<E>,org.apache.flink.api.scala.typeutils.OptionSerializer<E>>

org.apache.flink.api.scala.typeutils.ScalaOptionSerializerSnapshot<E>

All Implemented Interfaces:

TypeSerializerSnapshot<scala.Option<E>>

public final class ScalaOptionSerializerSnapshot<E>
extends CompositeTypeSerializerSnapshot<scala.Option<E>,org.apache.flink.api.scala.typeutils.OptionSerializer<E>>

A TypeSerializerSnapshot for the Scala OptionSerializer.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.api.common.typeutils.CompositeTypeSerializerSnapshot

CompositeTypeSerializerSnapshot.OuterSchemaCompatibility

Constructor Summary

Constructors

Constructor and Description
ScalaOptionSerializerSnapshot()
ScalaOptionSerializerSnapshot(org.apache.flink.api.scala.typeutils.OptionSerializer<E> serializerInstance)

Method Summary

Modifier and Type	Method and Description
protected org.apache.flink.api.scala.typeutils.OptionSerializer<E>	createOuterSerializerWithNestedSerializers(TypeSerializer<?>[] nestedSerializers) Creates an instance of the outer serializer with a given array of its nested serializers.
protected int	getCurrentOuterSnapshotVersion() Returns the version of the current outer snapshot's written binary format.
protected TypeSerializer<?>[]	getNestedSerializers(org.apache.flink.api.scala.typeutils.OptionSerializer<E> outerSerializer) Gets the nested serializers from the outer serializer.

Methods inherited from class org.apache.flink.api.common.typeutils.CompositeTypeSerializerSnapshot

getCurrentVersion, getNestedSerializerSnapshots, isOuterSnapshotCompatible, readOuterSnapshot, readSnapshot, resolveOuterSchemaCompatibility, resolveSchemaCompatibility, restoreSerializer, writeOuterSnapshot, writeSnapshot

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

ScalaOptionSerializerSnapshot

public ScalaOptionSerializerSnapshot()

ScalaOptionSerializerSnapshot

public ScalaOptionSerializerSnapshot(org.apache.flink.api.scala.typeutils.OptionSerializer<E> serializerInstance)

Method Detail

getCurrentOuterSnapshotVersion

protected int getCurrentOuterSnapshotVersion()

Description copied from class: CompositeTypeSerializerSnapshot

Returns the version of the current outer snapshot's written binary format.

Specified by:

getCurrentOuterSnapshotVersion in class CompositeTypeSerializerSnapshot<scala.Option<E>,org.apache.flink.api.scala.typeutils.OptionSerializer<E>>

Returns:

the version of the current outer snapshot's written binary format.

getNestedSerializers

protected TypeSerializer<?>[] getNestedSerializers(org.apache.flink.api.scala.typeutils.OptionSerializer<E> outerSerializer)

Description copied from class: CompositeTypeSerializerSnapshot

Gets the nested serializers from the outer serializer.

Specified by:

getNestedSerializers in class CompositeTypeSerializerSnapshot<scala.Option<E>,org.apache.flink.api.scala.typeutils.OptionSerializer<E>>

Parameters:

outerSerializer - the outer serializer.

Returns:

the nested serializers.

createOuterSerializerWithNestedSerializers

protected org.apache.flink.api.scala.typeutils.OptionSerializer<E> createOuterSerializerWithNestedSerializers(TypeSerializer<?>[] nestedSerializers)

Description copied from class: CompositeTypeSerializerSnapshot

Creates an instance of the outer serializer with a given array of its nested serializers.

Specified by:

createOuterSerializerWithNestedSerializers in class CompositeTypeSerializerSnapshot<scala.Option<E>,org.apache.flink.api.scala.typeutils.OptionSerializer<E>>

Parameters:

nestedSerializers - array of nested serializers to create the outer serializer with.

Returns:

an instance of the outer serializer.