Java tutorial
/* * RHQ WebSphere Plug-in * Copyright (C) 2012 Crossroads Bank for Social Security * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation, and/or the GNU Lesser * General Public License, version 2.1, also 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 General Public License and the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU General Public License * and the GNU Lesser General Public License along with this program; * if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package be.fgov.kszbcss.rhq.websphere.config; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class CacheRefreshStrategy { private static final Log log = LogFactory.getLog(CacheRefreshStrategy.class); private static final ThreadLocal<Boolean> threadLocal = new ThreadLocal<Boolean>(); static void setImmediateRefresh(Boolean immediateRefresh) { if ((immediateRefresh == null) == (threadLocal.get() == null)) { throw new IllegalStateException(); } if (log.isDebugEnabled()) { log.debug("Setting immediateRefresh to " + immediateRefresh); } threadLocal.set(immediateRefresh); } public static boolean isImmediateRefresh() { Boolean immediateRefresh = threadLocal.get(); if (immediateRefresh == null) { log.warn("No cache refresh strategy defined in current context; using default"); return true; } else { return immediateRefresh; } } }