/* * JBoss, Home of Professional Open Source. * Copyright 2011, 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.security; import java.util.Set; /** * An interface for managers that allow cached values. * * @author <a href="mmoyses@redhat.com">Marcus Moyses</a> */ public interface CacheableManager <T, K> { /** * Sets the cache. * * @param cache New cache to use. */ public void setCache(T cache); /** * Flushes all entries from the cache. * */ public void flushCache(); /** * Flushes one entry from the cache. * * @param key Entry's key. */ public void flushCache(K key); /** * Checks if an entry exists in the cache. * * @param key Entry's key * @return true if there is an entry, false otherwise. */ public boolean containsKey(K key); /** * Returns a set of keys stored in the cache. * * @return keys stored in the cache. */ public Set<K> getCachedKeys(); }