/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* 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.infinispan.context;
import org.infinispan.commands.FlagAffectedCommand;
import org.infinispan.commands.VisitableCommand;
import org.infinispan.remoting.transport.Address;
import java.util.Set;
/**
* Base class for InvocationContextContainer implementations.
*
* @author Mircea Markus
* @since 5.1
*/
public abstract class AbstractInvocationContextContainer implements InvocationContextContainer {
// See ISPN-1397. There is no real need to store the InvocationContext in a thread local at all, since it is passed
// as a parameter to any component that requires it - except for two components at the moment that require reading
// the InvocationContext from a thread local. These two are the ClusterCacheLoader and the JBossMarshaller. The
// former can be fixed once the CacheStore SPI is changed to accept an InvocationContext (see ISPN-1416) and the
// latter can be fixed once the CacheManager architecture is changed to be associated with a ClassLoader per
// CacheManager (see ISPN-1413), after which this thread local can be removed and the getInvocationContext() method
// can also be removed.
protected final ThreadLocal<InvocationContext> ctxHolder = new ThreadLocal<InvocationContext>();
@Override
public InvocationContext createRemoteInvocationContextForCommand(VisitableCommand cacheCommand, Address origin) {
if (cacheCommand instanceof FlagAffectedCommand) {
InvocationContext context = createRemoteInvocationContext(origin);
FlagAffectedCommand command = (FlagAffectedCommand) cacheCommand;
Set<Flag> flags = command.getFlags();
if (flags != null && !flags.isEmpty()) {
context = new InvocationContextFlagsOverride(context, flags);
ctxHolder.set(context);
}
return context;
} else {
return this.createRemoteInvocationContext(origin);
}
}
@Override
public InvocationContext getInvocationContext(boolean quiet) {
InvocationContext ctx = ctxHolder.get();
if (ctx == null && !quiet) throw new IllegalStateException("No InvocationContext associated with current thread!");
return ctx;
}
@Override
public void clearThreadLocal() {
ctxHolder.remove();
}
}