/* * JBoss, Home of Professional Open Source. * Copyright 2008, 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.aspects.versioned; import org.jboss.util.LRUCachePolicy; /** * This is a LRU cache. The TxCache itself is not transactional * but any accesses to objects within the cache ARE transactional. */ public class TxCache extends LRUCachePolicy { protected long lockTimeout; protected LocalSynchronizationManager synchManager; protected DistributedVersionManager versionManager; public TxCache(int maxSize, long lockTimeout) { super(2, maxSize); this.lockTimeout = lockTimeout; synchManager = new LocalSynchronizationManager(null); versionManager = new DistributedVersionManager(lockTimeout, synchManager); this.create(); this.start(); } public void insert(Object key, Object obj) { try { Object versioned = versionManager.makeVersioned(obj); super.insert(key, versioned); } catch (Exception ex) { throw new RuntimeException(ex); } } }