org.apache.flink.api.java.typeutils.runtime

Class WritableSerializer<T extends org.apache.hadoop.io.Writable>

java.lang.Object

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

org.apache.flink.api.java.typeutils.runtime.WritableSerializer<T>

Type Parameters:

T -

All Implemented Interfaces:

Serializable

@Internal
public final class WritableSerializer<T extends org.apache.hadoop.io.Writable>
extends org.apache.flink.api.common.typeutils.TypeSerializer<T>

A TypeSerializer for Writable.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WritableSerializer.WritableSerializerConfigSnapshot<T extends org.apache.hadoop.io.Writable> Deprecated. This class is no longer used as a snapshot for any serializer. It is fully replaced by WritableSerializer.WritableSerializerSnapshot.
static class	WritableSerializer.WritableSerializerSnapshot<T extends org.apache.hadoop.io.Writable> WritableSerializer snapshot class.

Constructor Summary

Constructors

Constructor and Description
WritableSerializer(Class<T> typeClass)

Method Summary

Modifier and Type	Method and 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)
WritableSerializer<T>	duplicate()
boolean	equals(Object obj)
int	getLength()
int	hashCode()
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 java.lang.Object

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

Constructor Detail

WritableSerializer

public WritableSerializer(Class<T> typeClass)

Method Detail

createInstance

public T createInstance()

Specified by:

createInstance in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

copy

public T copy(T from)

Specified by:

copy in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

copy

public T copy(T from,
              T reuse)

Specified by:

copy in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

getLength

public int getLength()

Specified by:

getLength in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

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 org.apache.hadoop.io.Writable>

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 org.apache.hadoop.io.Writable>

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 org.apache.hadoop.io.Writable>

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 org.apache.hadoop.io.Writable>

Throws:

IOException

isImmutableType

public boolean isImmutableType()

Specified by:

isImmutableType in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

duplicate

public WritableSerializer<T> duplicate()

Specified by:

duplicate in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

hashCode

public int hashCode()

Specified by:

hashCode in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

equals

public boolean equals(Object obj)

Specified by:

equals in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

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 org.apache.hadoop.io.Writable>