/* * JBoss, Home of Professional Open Source. * Copyright 2010, Red Hat Middleware LLC, 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.jboss.as.clustering.infinispan.invoker; import org.infinispan.Cache; import org.infinispan.context.Flag; /** * Encapsulates logic used to invoke an operation on a cache. * * @author Paul Ferraro */ public interface CacheInvoker { /** * Invokes the specified operation on the specified cache. * * @param <R> the type of the cache operation result * @param cache an infinispan cache * @param operation a cache operation * @param flags an optional set of invocation flags * @return the result of the cache operation */ <K, V, R> R invoke(Cache<K, V> cache, Operation<K, V, R> operation, Flag... flags); /** * Encapsulates a cache operation. * @param <K> the cache key * @param <V> the cache value * @param <R> the return type of the cache operation */ interface Operation<K, V, R> { /** * Invoke some operation on the specified cache. * * @param cache an infinispan cache * @return the result of the cache operation */ R invoke(Cache<K, V> cache); } }