Package org.apache.flink.cdc.runtime.serializer

Class ListSerializer<T>

java.lang.Object

org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

org.apache.flink.cdc.runtime.serializer.ListSerializer<T>

Type Parameters:

T - The type of element in the list.

All Implemented Interfaces:

Serializable

public final class ListSerializer<T>
extends org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

A serializer for Lists. The serializer relies on an element serializer for the serialization of the list's elements.

The serialization format for the list is as follows: four bytes for the length of the lost, followed by the serialized representation of each element.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ListSerializer.ListSerializerSnapshot<T>	Snapshot class for the ListSerializer.

Constructor Summary

Constructors

Constructor	Description
ListSerializer(org.apache.flink.api.common.typeutils.TypeSerializer<T> elementSerializer)	Creates a list serializer that uses the given serializer to serialize the list's elements.

Method Summary

Modifier and Type	Method	Description
List<T>	copy(List<T> from)
List<T>	copy(List<T> from, List<T> reuse)
void	copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target)
List<T>	createInstance()
List<T>	deserialize(List<T> reuse, org.apache.flink.core.memory.DataInputView source)
List<T>	deserialize(org.apache.flink.core.memory.DataInputView source)
org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>	duplicate()
boolean	equals(Object obj)
org.apache.flink.api.common.typeutils.TypeSerializer<T>	getElementSerializer()	Gets the serializer for the elements of the list.
int	getLength()
int	hashCode()
boolean	isImmutableType()
void	serialize(List<T> list, org.apache.flink.core.memory.DataOutputView target)
org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<List<T>>	snapshotConfiguration()

Methods inherited from class java.lang.Object

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

Constructor Detail

ListSerializer

public ListSerializer(org.apache.flink.api.common.typeutils.TypeSerializer<T> elementSerializer)

Creates a list serializer that uses the given serializer to serialize the list's elements.

Parameters:

elementSerializer - The serializer for the elements of the list

Method Detail

getElementSerializer

public org.apache.flink.api.common.typeutils.TypeSerializer<T> getElementSerializer()

Gets the serializer for the elements of the list.

Returns:

The serializer for the elements of the list

isImmutableType

public boolean isImmutableType()

Specified by:

isImmutableType in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

duplicate

public org.apache.flink.api.common.typeutils.TypeSerializer<List<T>> duplicate()

Specified by:

duplicate in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

createInstance

public List<T> createInstance()

Specified by:

createInstance in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

copy

public List<T> copy(List<T> from)

Specified by:

copy in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

copy

public List<T> copy(List<T> from,
                    List<T> reuse)

Specified by:

copy in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

getLength

public int getLength()

Specified by:

getLength in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

serialize

public void serialize(List<T> list,
                      org.apache.flink.core.memory.DataOutputView target)
               throws IOException

Specified by:

serialize in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

Throws:

IOException

deserialize

public List<T> deserialize(org.apache.flink.core.memory.DataInputView source)
                    throws IOException

Specified by:

deserialize in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

Throws:

IOException

deserialize

public List<T> deserialize(List<T> reuse,
                           org.apache.flink.core.memory.DataInputView source)
                    throws IOException

Specified by:

deserialize in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

Throws:

IOException

copy

public void copy(org.apache.flink.core.memory.DataInputView source,
                 org.apache.flink.core.memory.DataOutputView target)
          throws IOException

Specified by:

copy in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

Throws:

IOException

equals

public boolean equals(Object obj)

Specified by:

equals in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

hashCode

public int hashCode()

Specified by:

hashCode in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>

snapshotConfiguration

public org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<List<T>> snapshotConfiguration()

Specified by:

snapshotConfiguration in class org.apache.flink.api.common.typeutils.TypeSerializer<List<T>>