import de.javakaffee.kryoserializers.EnumSetSerializer; //导入依赖的package包/类
@Override
protected Kryo initialValue() {
  final Kryo kryo = new KryoReflectionFactorySupport() {
    
    @Override
    public Serializer<?> getDefaultSerializer(@SuppressWarnings("rawtypes") final Class clazz) {
      if (EnumSet.class.isAssignableFrom(clazz)) {
        return new EnumSetSerializer();
      }
      if (EnumMap.class.isAssignableFrom(clazz)) {
        return new EnumMapSerializer();
      }
      final Serializer<?> serializer = super.getDefaultSerializer(clazz);
      if (serializer instanceof FieldSerializer) {
        ((FieldSerializer<?>) serializer).setCopyTransient(false);
      }
      return serializer;
    }
    
  };
  return kryo;
}
 

import de.javakaffee.kryoserializers.EnumSetSerializer; //导入依赖的package包/类
/**
 * Initialize and register classes with kryo.
 */
public void initialize() {
    // Register types we know about and do not require external configuration
    kryo.register(ArrayList.class);
    kryo.register(BasicCredentialMetaData.class);
    kryo.register(Class.class, new DefaultSerializers.ClassSerializer());
    kryo.register(Date.class, new DefaultSerializers.DateSerializer());
    kryo.register(HardTimeoutExpirationPolicy.class);
    kryo.register(HashMap.class);
    kryo.register(LinkedHashMap.class);
    kryo.register(HashSet.class);
    kryo.register(DefaultHandlerResult.class);
    kryo.register(ImmutableAuthentication.class);
    kryo.register(MultiTimeUseOrTimeoutExpirationPolicy.class);
    kryo.register(NeverExpiresExpirationPolicy.class);
    kryo.register(RememberMeDelegatingExpirationPolicy.class);
    kryo.register(ServiceTicketImpl.class);
    kryo.register(SimpleWebApplicationServiceImpl.class, new SimpleWebApplicationServiceSerializer());
    kryo.register(ThrottledUseAndTimeoutExpirationPolicy.class);
    kryo.register(TicketGrantingTicketExpirationPolicy.class);
    kryo.register(TicketGrantingTicketImpl.class);
    kryo.register(TimeoutExpirationPolicy.class);
    kryo.register(UsernamePasswordCredential.class);
    kryo.register(SimplePrincipal.class);
    kryo.register(URL.class, new URLSerializer());
    kryo.register(URI.class, new URISerializer());
    kryo.register(Pattern.class, new RegexSerializer());
    kryo.register(UUID.class, new UUIDSerializer());
    kryo.register(EnumMap.class, new EnumMapSerializer());
    kryo.register(EnumSet.class, new EnumSetSerializer());

    // we add these ones for tests only
    kryo.register(RegisteredServiceImpl.class, new RegisteredServiceSerializer());
    kryo.register(RegexRegisteredService.class, new RegisteredServiceSerializer());

    // new serializers to manage Joda dates and immutable collections
    kryo.register(DateTime.class, new JodaDateTimeSerializer());
    kryo.register(CasDelegatingLogger.class, new DefaultSerializers.VoidSerializer());

    // from the kryo-serializers library (https://github.com/magro/kryo-serializers)
    UnmodifiableCollectionsSerializer.registerSerializers(kryo);
    ImmutableListSerializer.registerSerializers(kryo);
    ImmutableSetSerializer.registerSerializers(kryo);
    ImmutableMapSerializer.registerSerializers(kryo);
    ImmutableMultimapSerializer.registerSerializers(kryo);
    
    kryo.register(Collections.EMPTY_LIST.getClass(), new CollectionsEmptyListSerializer());
    kryo.register(Collections.EMPTY_MAP.getClass(), new CollectionsEmptyMapSerializer());
    kryo.register(Collections.EMPTY_SET.getClass(), new CollectionsEmptySetSerializer());

    // Register other types
    if (serializerMap != null) {
        for (final Map.Entry<Class<?>, Serializer> clazz : serializerMap.entrySet()) {
            kryo.register(clazz.getKey(), clazz.getValue());
        }
    }

    // don't reinit the registered classes after every write or read
    kryo.setAutoReset(false);
    // don't replace objects by references
    kryo.setReferences(false);
    // Catchall for any classes not explicitly registered
    kryo.setRegistrationRequired(false);
}
 

import de.javakaffee.kryoserializers.EnumSetSerializer; //导入依赖的package包/类
/**
 * Initialize and register classes with kryo.
 */
@PostConstruct
public void initialize() {
    // Register types we know about and do not require external configuration
    this.kryo.register(EncodedTicket.class);
    this.kryo.register(ArrayList.class);
    this.kryo.register(BasicCredentialMetaData.class);
    this.kryo.register(Class.class, new DefaultSerializers.ClassSerializer());
    this.kryo.register(ZonedDateTime.class, new ZonedDateTimeTranscoder());
    this.kryo.register(HardTimeoutExpirationPolicy.class);
    this.kryo.register(HashMap.class);
    this.kryo.register(LinkedHashMap.class);
    this.kryo.register(HashSet.class);
    this.kryo.register(DefaultHandlerResult.class);
    this.kryo.register(DefaultAuthentication.class);
    this.kryo.register(MultiTimeUseOrTimeoutExpirationPolicy.class);
    this.kryo.register(NeverExpiresExpirationPolicy.class);
    this.kryo.register(RememberMeDelegatingExpirationPolicy.class);
    this.kryo.register(ServiceTicketImpl.class);
    this.kryo.register(SimpleWebApplicationServiceImpl.class, new SimpleWebApplicationServiceSerializer());
    this.kryo.register(ThrottledUseAndTimeoutExpirationPolicy.class);
    this.kryo.register(TicketGrantingTicketExpirationPolicy.class);
    this.kryo.register(TicketGrantingTicketImpl.class);
    this.kryo.register(TimeoutExpirationPolicy.class);
    this.kryo.register(UsernamePasswordCredential.class);
    this.kryo.register(SimplePrincipal.class);
    this.kryo.register(URL.class, new URLSerializer());
    this.kryo.register(URI.class, new URISerializer());
    this.kryo.register(Pattern.class, new RegexSerializer());
    this.kryo.register(UUID.class, new UUIDSerializer());
    this.kryo.register(EnumMap.class, new EnumMapSerializer());
    this.kryo.register(EnumSet.class, new EnumSetSerializer());

    // we add these ones for tests only
    this.kryo.register(RegexRegisteredService.class, new RegisteredServiceSerializer());
    
    // from the kryo-serializers library (https://github.com/magro/kryo-serializers)
    UnmodifiableCollectionsSerializer.registerSerializers(this.kryo);
    ImmutableListSerializer.registerSerializers(this.kryo);
    ImmutableSetSerializer.registerSerializers(this.kryo);
    ImmutableMapSerializer.registerSerializers(this.kryo);
    ImmutableMultimapSerializer.registerSerializers(this.kryo);

    this.kryo.register(Collections.EMPTY_LIST.getClass(), new CollectionsEmptyListSerializer());
    this.kryo.register(Collections.EMPTY_MAP.getClass(), new CollectionsEmptyMapSerializer());
    this.kryo.register(Collections.EMPTY_SET.getClass(), new CollectionsEmptySetSerializer());

    // Register other types
    if (this.serializerMap != null) {
        this.serializerMap.forEach(this.kryo::register);
    }

    // don't reinit the registered classes after every write or read
    this.kryo.setAutoReset(false);
    // don't replace objects by references
    this.kryo.setReferences(false);
    // Catchall for any classes not explicitly registered
    this.kryo.setRegistrationRequired(false);
}
 

import de.javakaffee.kryoserializers.EnumSetSerializer; //导入依赖的package包/类
protected Kryo initialValue() {
    Kryo _kryo = new KryoReflectionFactorySupport() {

        @Override
        @SuppressWarnings( { "rawtypes", "unchecked" } )
        public Serializer<?> getDefaultSerializer( final Class type ) {
            if ( EnumSet.class.isAssignableFrom( type ) ) {
                return new EnumSetSerializer();
            }
            if ( EnumMap.class.isAssignableFrom( type ) ) {
                return new EnumMapSerializer();
            }
            if ( Collection.class.isAssignableFrom( type ) ) {
                return new CopyForIterateCollectionSerializer();
            }
            if ( Map.class.isAssignableFrom( type ) ) {
                return new CopyForIterateMapSerializer();
            }
            if ( Date.class.isAssignableFrom( type ) ) {
                return new DateSerializer( type );
            }
            return super.getDefaultSerializer( type );
        }
    };
    _kryo.setRegistrationRequired(false);
    _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( BigDecimal.class, new BigDecimalSerializer() );
    _kryo.register( BigInteger.class, new BigIntegerSerializer() );
    //      _kryo.register( Pattern.class, new RegexSerializer() );
    //      _kryo.register( BitSet.class, new BitSetSerializer() );
    //      _kryo.register( URI.class, new URISerializer() );
    //      _kryo.register( UUID.class, new UUIDSerializer() );
    _kryo.register( GregorianCalendar.class, new GregorianCalendarSerializer() );
    _kryo.register( InvocationHandler.class, new JdkProxySerializer() );
    UnmodifiableCollectionsSerializer.registerSerializers( _kryo );
    SynchronizedCollectionsSerializer.registerSerializers( _kryo );
    //      DeflateSerializer d;      
    //      _kryo..setDefaultSerializer(CompatibleFieldSerializer.class);
    return _kryo;
}