/* * Hibernate, Relational Persistence for Idiomatic Java * * Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as * indicated by the @author tags or express copyright attribution * statements applied by the authors. All third-party contributions are * distributed under license by Red Hat, Inc. * * 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, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY 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 * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package org.hibernate.search.bridge; /** * Transform an object into a string representation. * * All implementations are required to be threadsafe. * Usually this is easily achieved avoiding the usage * of class fields, unless they are either immutable * or needed to store parameters. * * @author Emmanuel Bernard */ public interface StringBridge { /** * Converts the object representation to a string. * * @param object The object to transform into a string representation. * @return String representation of the given object to be stored in Lucene index. The return string must not be * <code>null</code>. It can be empty though. */ String objectToString(Object object); }