org.disq_bio.disq.serializer

Class DisqKryoRegistrator

java.lang.Object

org.disq_bio.disq.serializer.DisqKryoRegistrator

All Implemented Interfaces:

org.apache.spark.serializer.KryoRegistrator

public class DisqKryoRegistrator
extends Object
implements org.apache.spark.serializer.KryoRegistrator

Kryo registrator for Disq.

To use this class, specify the following Spark configuration parameters

 spark.serializer=org.apache.spark.serializer.KryoSerializer
 spark.kryo.registrator=org.disq_bio.disq.serializer.DisqKryoRegistrator
 spark.kryo.registrationRequired=true
 

To include the classes registered here in your own registrator, either extend DisqKryoRegistrator

 class MyKryoRegistrator extends DisqKryoRegistrator {
   public void registerClasses(final Kryo kryo) {
     super.registerClasses(kryo);
     kryo.register(MyClass.class);
   }
 }
 

or extend by delegation

 class MyKryoRegistrator implements KryoRegistrator {
   public void registerClasses(final Kryo kryo) {
     DisqKryoRegistrator.registerDisqClasses(kryo);
     kryo.register(MyClass.class);
   }
 }
 

Constructor Summary

Constructors

Constructor and Description
DisqKryoRegistrator()

Method Summary

Modifier and Type	Method and Description
void	registerClasses(com.esotericsoftware.kryo.Kryo kryo)
static void	registerDisqClasses(com.esotericsoftware.kryo.Kryo kryo) Register all classes serialized in Disq with the specified Kryo instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

DisqKryoRegistrator

public DisqKryoRegistrator()

Method Detail

registerClasses

public void registerClasses(com.esotericsoftware.kryo.Kryo kryo)

Specified by:

registerClasses in interface org.apache.spark.serializer.KryoRegistrator

registerDisqClasses

public static final void registerDisqClasses(com.esotericsoftware.kryo.Kryo kryo)

Register all classes serialized in Disq with the specified Kryo instance.

Parameters:

kryo - Kryo instance to register all classes serialized in Disq with, must not be null