Author: julien(a)jboss.com Date: 2006-12-10 20:49:48 -0500 (Sun, 10 Dec 2006) New Revision: 5789 Added: trunk/core/src/main/org/jboss/portal/core/impl/portlet/state/StateManagementPolicyImpl.java trunk/portlet/src/main/org/jboss/portal/portlet/aspects/portlet/LocalInterceptor.java Log: - LocalInterceptor which denotes invocation from local portal - StateManagementPolicy implementation whose decision is based on LocalInterceptor and RegistrationLocal Added: trunk/core/src/main/org/jboss/portal/core/impl/portlet/state/StateManagementPolicyImpl.java =================================================================== --- trunk/core/src/main/org/jboss/portal/core/impl/portlet/state/StateManagementPolicyImpl.java 2006-12-11 01:32:38 UTC (rev 5788) +++ trunk/core/src/main/org/jboss/portal/core/impl/portlet/state/StateManagementPolicyImpl.java 2006-12-11 01:49:48 UTC (rev 5789) @@ -0,0 +1,55 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2006, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt 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.portal.core.impl.portlet.state; + +import org.jboss.portal.portlet.state.StateManagementPolicy; +import org.jboss.portal.portlet.aspects.portlet.LocalInterceptor; +import org.jboss.portal.wsrp.producer.registration.RegistrationLocal; +import org.jboss.portal.wsrp.producer.registration.api.Registration; + +/** + * An implementation that rely on thread local context to make up its decision. State is locally persisted + * only for the local portal or for wsrp invocations in the context of a registration. + * + * @author <a href="mailto:julien@jboss.org">Julien Viet</a> + * @version $Revision: 1.1 $ + */ +public class StateManagementPolicyImpl implements StateManagementPolicy +{ + public boolean persistLocally() + { + boolean local = LocalInterceptor.isLocal(); + + // If this is a local call we persist locally + if (local) + { + return true; + } + + // Otherwise the optional registration from the wsrp layer + Registration registration = RegistrationLocal.getRegistration(); + + // And persist locally only in the scope of an existing registration + return registration != null; + } +} Added: trunk/portlet/src/main/org/jboss/portal/portlet/aspects/portlet/LocalInterceptor.java =================================================================== --- trunk/portlet/src/main/org/jboss/portal/portlet/aspects/portlet/LocalInterceptor.java 2006-12-11 01:32:38 UTC (rev 5788) +++ trunk/portlet/src/main/org/jboss/portal/portlet/aspects/portlet/LocalInterceptor.java 2006-12-11 01:49:48 UTC (rev 5789) @@ -0,0 +1,58 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2006, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt 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.portal.portlet.aspects.portlet; + +import org.jboss.portal.portlet.invocation.PortletInterceptor; +import org.jboss.portal.portlet.invocation.PortletInvocation; +import org.jboss.portal.common.invocation.InvocationException; + +/** + * An interceptor whose purpose is to detect invocation from the local portal. + * + * @author <a href="mailto:julien@jboss.org">Julien Viet</a> + * @version $Revision: 1.1 $ + */ +public class LocalInterceptor extends PortletInterceptor +{ + + /** . */ + private static final ThreadLocal local = new ThreadLocal(); + + public static boolean isLocal() + { + return Boolean.TRUE.equals(local.get()); + } + + protected Object invoke(PortletInvocation invocation) throws Exception, InvocationException + { + try + { + local.set(Boolean.TRUE); + return invocation.invokeNext(); + } + finally + { + local.set(null); + } + } +}