Package org.apache.flink.runtime.state

Class JavaSerializer<T extends Serializable>

java.lang.Object

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

org.apache.flink.api.common.typeutils.base.TypeSerializerSingleton<T>

org.apache.flink.runtime.state.JavaSerializer<T>

All Implemented Interfaces:

Serializable

@Internal
@VisibleForTesting
public final class JavaSerializer<T extends Serializable>
extends org.apache.flink.api.common.typeutils.base.TypeSerializerSingleton<T>

A TypeSerializer that uses Java serialization. This should not be used for anything.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	JavaSerializer.JavaSerializerSnapshot<T extends Serializable>	Serializer configuration snapshot for compatibility and format evolution.

Constructor Summary

Constructors

Constructor	Description
JavaSerializer()

Method Summary

Modifier and Type	Method	Description
void	copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target)
T	copy(T from)
T	copy(T from, T reuse)
T	createInstance()
T	deserialize(org.apache.flink.core.memory.DataInputView source)
T	deserialize(T reuse, org.apache.flink.core.memory.DataInputView source)
int	getLength()
boolean	isImmutableType()
void	serialize(T record, org.apache.flink.core.memory.DataOutputView target)
org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<T>	snapshotConfiguration()

Methods inherited from class org.apache.flink.api.common.typeutils.base.TypeSerializerSingleton

duplicate, equals, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaSerializer

public JavaSerializer()

Method Detail

isImmutableType

public boolean isImmutableType()

Specified by:

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

createInstance

public T createInstance()

Specified by:

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

copy

public T copy(T from)

Specified by:

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

copy

public T copy(T from,
              T reuse)

Specified by:

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

getLength

public int getLength()

Specified by:

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

serialize

public void serialize(T record,
                      org.apache.flink.core.memory.DataOutputView target)
               throws IOException

Specified by:

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

Throws:

IOException

deserialize

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

Specified by:

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

Throws:

IOException

deserialize

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

Specified by:

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

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<T extends Serializable>

Throws:

IOException

snapshotConfiguration

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

Specified by:

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