/* * 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.backend.impl; import org.hibernate.search.backend.spi.Work; /** * Pile work operations * No thread safety has to be implemented, the queue being scoped already * The implementation must be "stateless" wrt the queue through (ie not store the queue state) * * FIXME this Interface does not make much sense, since the impl will not be changed * * @author Emmanuel Bernard */ public interface QueueingProcessor { /** * Add a work * TODO move that somewhere else, it does not really fit here */ void add(Work work, WorkQueue workQueue); /** * prepare resources for a later performWorks call */ void prepareWorks(WorkQueue workQueue); /** * Execute works */ void performWorks(WorkQueue workQueue); /** * Rollback works */ void cancelWorks(WorkQueue workQueue); }