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* Copyright 2013, Red Hat, Inc., 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.capedwarf.datastore;
import java.util.Set;
import java.util.logging.Logger;
import org.jboss.capedwarf.shared.components.ComponentRegistry;
import org.jboss.capedwarf.shared.components.SetKey;
import org.jboss.capedwarf.shared.components.Slot;
/**
* Do we make DatastoreService force sync ops on cache for certain callers.
* e.g. MapReduce lib needs synced ops in order to work
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
final class SyncHack {
private static final Logger log = Logger.getLogger(SyncHack.class.getName());
static boolean forceSync() {
Set<String> callers = ComponentRegistry.getInstance().getComponent(new SetKey<String>(Slot.SYNC_HACK));
if (callers == null || callers.isEmpty())
return false;
StackTraceElement[] elements = Thread.currentThread().getStackTrace();
for (StackTraceElement ste : elements) {
String clazz = ste.getClassName();
if (callers.contains(clazz)) {
log.finest("Matched " + clazz + ", forcing sync ops.");
return true;
}
}
return false;
}
}