Java tutorial
/* * Copyright 2015-2019 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.integration.codec.kryo; import java.util.List; import com.esotericsoftware.kryo.Kryo; import com.esotericsoftware.kryo.Registration; /** * Strategy interface used by {@link PojoCodec} to configure registrations * classes consistently across {@link Kryo} instances. * By default, user defined types are not registered to Kryo. * Registration allows a unique ID (small positive integer is ideal) to represent the type * in the byte stream. In a distributed environment, all Kryo instances must maintain a * consistent registration configuration in order for serialization to function properly. * Registrations can result in better performance in demanding situations, * but requires some care to maintain. Use this feature only if you really need it. * * @author David Turanski * @since 4.2 */ public interface KryoRegistrar { int MIN_REGISTRATION_VALUE = 10; /** * This method is invoked by the {@link PojoCodec} and * applied to the {@link Kryo} instance whenever a new instance is created. * @param kryo the Kryo instance */ void registerTypes(Kryo kryo); /** * * @return the list of {@link Registration} provided */ List<Registration> getRegistrations(); }