/* * JBoss, Home of Professional Open Source. * Copyright 2013, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.wildfly.clustering.ee; /** * Exposes a mechanism to handle batching. * @author Paul Ferraro */ public interface Batcher<B extends Batch> { /** * Creates a batch. * @return a batch. */ B createBatch(); /** * Resumes a batch. Used if the specified batch was (or may have been) created by another thread. * @param batch an existing batch * @return the context of the resumed batch */ BatchContext resumeBatch(B batch); /** * Suspends a batch. * @return the previously active batch, or null if there was no active batch */ B suspendBatch(); }