/* * 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; /** * <code>StringBridge<code> allowing a translation from the string representation back to the <code>Object</code>. * <code>objectToString( stringToObject( string ) )</code> and <code>stringToObject( objectToString( object ) )</code> * should be "idempotent". More precisely: * <ul> * <li><code>objectToString( stringToObject( string ) ).equals(string)</code>, for non <code>null</code> string.</li> * <li><code>stringToObject( objectToString( object ) ).equals(object)</code>, for non <code>null</code> object. </li> * </ul> * * As for all Bridges implementations must be threadsafe. * * @author Emmanuel Bernard */ public interface TwoWayStringBridge extends StringBridge { /** * Convert the index string representation to an object. * * @param stringValue The index value. * @return Takes the string representation from the Lucene index and transforms it back into the original * <code>Object</code>. */ Object stringToObject(String stringValue); }