org.apache.flink.streaming.util.serialization

Class KeyedSerializationSchemaWrapper<T>

java.lang.Object

org.apache.flink.streaming.util.serialization.KeyedSerializationSchemaWrapper<T>

Type Parameters:

T - The type to serialize

All Implemented Interfaces:

Serializable, KeyedSerializationSchema<T>

public class KeyedSerializationSchemaWrapper<T>
extends Object
implements KeyedSerializationSchema<T>

A simple wrapper for using the SerializationSchema with the KeyedDeserializationSchema interface

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
KeyedSerializationSchemaWrapper(SerializationSchema<T> serializationSchema)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	serializeKey(T element) Serializes the key of the incoming element to a byte array This method might return null if no key is available.
byte[]	serializeValue(T element) Serializes the value of the incoming element to a byte array

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyedSerializationSchemaWrapper

public KeyedSerializationSchemaWrapper(SerializationSchema<T> serializationSchema)

Method Detail

serializeKey

public byte[] serializeKey(T element)

Description copied from interface: KeyedSerializationSchema

Serializes the key of the incoming element to a byte array This method might return null if no key is available.

Specified by:

serializeKey in interface KeyedSerializationSchema<T>

Parameters:

element - The incoming element to be serialized

Returns:

the key of the element as a byte array

serializeValue

public byte[] serializeValue(T element)

Description copied from interface: KeyedSerializationSchema

Serializes the value of the incoming element to a byte array

Specified by:

serializeValue in interface KeyedSerializationSchema<T>

Parameters:

element - The incoming element to be serialized

Returns:

the value of the element as a byte array