com.esotericsoftware.kryo.util.MapReferenceResolver Java Examples

/**
 * Create a Kryo instance, with its instantiator strategy and a set of
 * common serializers (from kryo-serializers project) initialized.
 * @return an instance of {@link Kryo}.
 */
private static Kryo createKryo() {
  final Kryo kryo = new Kryo(new CustomClassResolver(), new MapReferenceResolver());
  kryo.setAutoReset(true);
  kryo.setInstantiatorStrategy(new DefaultInstantiatorStrategy(new StdInstantiatorStrategy()));

  kryo.register(ObjectName.class, new ObjectNameSerializer());
  kryo.register(OffloadableNotification.class, new GenericObjectSerializer());
  kryo.register(TaskExecutionNotification.class, new GenericObjectSerializer());
  kryo.register(TaskGraph.class, new JobTaskGraphSerializer());
  kryo.register(Collection.class, new CollectionSerializer());
  kryo.register(Arrays.asList( "" ).getClass(), new ArraysAsListSerializer() );
  kryo.register(Collections.EMPTY_LIST.getClass(), new CollectionsEmptyListSerializer() );
  kryo.register(Collections.EMPTY_MAP.getClass(), new CollectionsEmptyMapSerializer() );
  kryo.register(Collections.EMPTY_SET.getClass(), new CollectionsEmptySetSerializer() );
  kryo.register(Collections.singletonList( "" ).getClass(), new CollectionsSingletonListSerializer() );
  kryo.register(Collections.singleton( "" ).getClass(), new CollectionsSingletonSetSerializer() );
  kryo.register(Collections.singletonMap( "", "" ).getClass(), new CollectionsSingletonMapSerializer() );
  kryo.register(GregorianCalendar.class, new GregorianCalendarSerializer());
  kryo.register(InvocationHandler.class, new JdkProxySerializer());
  UnmodifiableCollectionsSerializer.registerSerializers(kryo);
  SynchronizedCollectionsSerializer.registerSerializers(kryo);
  kryo.register(EnumMap.class, new EnumMapSerializer());
  kryo.register(EnumSet.class, new EnumSetSerializer());
  return kryo;
}
 

public Kryo createKryo() {
    Kryo kryo = new Kryo(new DefaultClassResolver(), new MapReferenceResolver() {
        @Override
        public boolean useReferences(Class type) {
            // avoid calling System.identityHashCode
            if (type == String.class || type == Date.class) {
                return false;
            }
            return super.useReferences(type);
        }
    });
    registerClasses(kryo);

    kryo.setAutoReset(true);
    kryo.setInstantiatorStrategy(new Kryo.DefaultInstantiatorStrategy(new StdInstantiatorStrategy()));

    return kryo;
}
 

@SuppressWarnings("OverridableMethodCallInConstructor")
public DefaultStatefulStreamCodec()
{
  super(new ClassResolver(), new MapReferenceResolver());
  data = new Output(4096, Integer.MAX_VALUE);
  state = new Output(4096, Integer.MAX_VALUE);
  input = new Input();

  register(Class.class);
  register(ClassIdPair.class);
  classResolver = (ClassResolver)getClassResolver();
  this.pairs = classResolver.pairs;
  classResolver.init();
  dataStatePair = new DataStatePair();
}
 

@SuppressWarnings("OverridableMethodCallInConstructor")
public DefaultStatefulStreamCodec()
{
  super(new ClassResolver(), new MapReferenceResolver());
  data = new Output(4096, Integer.MAX_VALUE);
  state = new Output(4096, Integer.MAX_VALUE);
  input = new Input();

  register(Class.class);
  register(ClassIdPair.class);
  classResolver = (ClassResolver)getClassResolver();
  this.pairs = classResolver.pairs;
  classResolver.init();
  dataStatePair = new DataStatePair();
}
 

@Override
public Kryo newInstance() {
    Kryo next = new Kryo(new DefaultClassResolver(),new MapReferenceResolver());
    if(kryoRegistry!=null)
        kryoRegistry.register(next);
    return next;
}
 

public KryoContext() {
	kryo = new Kryo(new FastClassResolver(), new MapReferenceResolver(), new DefaultStreamFactory());
	kryo.setDefaultSerializer(FastSerializer.class);
	kryo.setReferences(false);

	kryo.register(ArrayList.class);
	kryo.register(LinkedList.class);
	kryo.register(CopyOnWriteArrayList.class);
	kryo.register(HashMap.class);
	kryo.register(ConcurrentHashMap.class);
	kryo.register(TreeMap.class);
	kryo.register(TreeSet.class);
	kryo.register(HashSet.class);
	kryo.register(java.util.Date.class);
	kryo.register(java.sql.Date.class);
	kryo.register(LocalDate.class);
	kryo.register(LocalDateTime.class);
	kryo.register(byte[].class);
	kryo.register(char[].class);
	kryo.register(short[].class);
	kryo.register(int[].class);
	kryo.register(long[].class);
	kryo.register(float[].class);
	kryo.register(double[].class);
	kryo.register(boolean[].class);
	kryo.register(String[].class);
	kryo.register(Object[].class);
	kryo.register(BigInteger.class);
	kryo.register(BigDecimal.class);
	kryo.register(Class.class);
	kryo.register(Enum.class);
	kryo.register(EnumSet.class);
	kryo.register(Currency.class);
	kryo.register(StringBuffer.class);
	kryo.register(StringBuilder.class);
	kryo.register(Collections.EMPTY_LIST.getClass());
	kryo.register(Collections.EMPTY_MAP.getClass());
	kryo.register(Collections.EMPTY_SET.getClass());
	kryo.register(Collections.singletonList(null).getClass());
	kryo.register(Collections.singletonMap(null, null).getClass());
	kryo.register(Collections.singleton(null).getClass());
	kryo.register(Collection.class);
	kryo.register(Map.class);
	kryo.register(TimeZone.class);
	kryo.register(Calendar.class);
	kryo.register(Locale.class);
	kryo.register(Charset.class);
	kryo.register(URL.class);
}