/* * Hibernate, Relational Persistence for Idiomatic Java * * JBoss, Home of Professional Open Source * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors * as indicated by the @authors tag. All rights reserved. * See the copyright.txt in the distribution for a * full listing of individual contributors. * * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions * of the GNU Lesser General Public License, v. 2.1. * This program is distributed in the hope that it will be useful, but WITHOUT A * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. * You should have received a copy of the GNU Lesser General Public License, * v.2.1 along with this distribution; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. */ package org.hibernate.search.indexes.serialization.spi; /** * Serialization provider * * Providers are encouraged to offer a backward and forward compatible protocol. * * //FIXME should these two bytes be processed by Hibernate Search and not the protocol implementation * ie we would pass the result of this? * * Before the actual serialized flux, two bytes are reserved: * - majorVersion * - minorVersion * * A major version increase implies an incompatible protocol change. * Messages of a majorVersion > current version should be refused. * * A minor version increase implies a compatible protocol change. * Messages of a minorVersion > current version are parsed but new * operation will be ignored or rejected. Question: only ignored? * * If message's major version is < current version, the * implementation is strongly encouraged to parse and process them. * It is mandatory if only message's minor version is < current version. * * Implementors are encouraged to implement a descriptive <code>toString()</code> * method for logging purposes. * * @author Emmanuel Bernard <emmanuel@hibernate.org> */ public interface SerializationProvider { Serializer getSerializer(); Deserializer getDeserializer(); }