/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
package org.infinispan.factories;
import org.infinispan.container.EntryFactory;
import org.infinispan.container.EntryFactoryImpl;
import org.infinispan.container.IncrementalVersionableEntryFactoryImpl;
import org.infinispan.container.InternalEntryFactory;
import org.infinispan.container.InternalEntryFactoryImpl;
import org.infinispan.container.VersionedInternalEntryFactoryImpl;
import org.infinispan.factories.annotations.DefaultFactoryFor;
import org.infinispan.transaction.LockingMode;
import org.infinispan.util.concurrent.IsolationLevel;
@DefaultFactoryFor(classes = {EntryFactory.class, InternalEntryFactory.class})
public class EntryMetaFactory extends AbstractNamedCacheComponentFactory implements AutoInstantiableFactory {
@Override
@SuppressWarnings("unchecked")
public <T> T construct(Class<T> componentType) {
// If we are repeatable-read and have write skew checking enabled and are clustered, lets create an appropriate EntryFactory.
boolean useVersioning = configuration.getCacheMode().isClustered() &&
configuration.isTransactionalCache() &&
configuration.getIsolationLevel() == IsolationLevel.REPEATABLE_READ &&
configuration.isWriteSkewCheck() &&
configuration.getTransactionLockingMode() == LockingMode.OPTIMISTIC;
if (componentType.equals(EntryFactory.class)) {
if (useVersioning)
return (T) new IncrementalVersionableEntryFactoryImpl();
else
return (T) new EntryFactoryImpl();
} else {
if (useVersioning)
return (T) new VersionedInternalEntryFactoryImpl();
else
return (T) new InternalEntryFactoryImpl();
}
}
}