/*
* JBoss, Home of Professional Open Source
* Copyright 2009 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.interceptors;
import org.infinispan.commands.read.GetKeyValueCommand;
import org.infinispan.commands.write.PutKeyValueCommand;
import org.infinispan.commands.write.PutMapCommand;
import org.infinispan.commands.write.RemoveCommand;
import org.infinispan.commands.write.ReplaceCommand;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.EvictionConfiguration;
import org.infinispan.context.InvocationContext;
import org.infinispan.eviction.ActivationManager;
import org.infinispan.eviction.EvictionStrategy;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.factories.annotations.Start;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.util.Arrays;
public class ActivationInterceptor extends CacheLoaderInterceptor {
private static final Log log = LogFactory.getLog(ActivationInterceptor.class);
private Configuration cfg;
private boolean isManualEviction;
private ActivationManager activationManager;
@Override
protected Log getLog() {
return log;
}
@Inject
public void inject(Configuration cfg, ActivationManager activationManager) {
this.cfg = cfg;
this.activationManager = activationManager;
}
@Start(priority = 15)
@SuppressWarnings("unused")
public void start() {
// Treat caches configured with manual eviction differently.
// These caches require activation at the interceptor level.
EvictionConfiguration evictCfg = cfg.eviction();
isManualEviction = evictCfg.strategy() == EvictionStrategy.NONE
|| evictCfg.maxEntries() < 0;
}
@Override
public Object visitPutKeyValueCommand(InvocationContext ctx, PutKeyValueCommand command) throws Throwable {
Object retval = super.visitPutKeyValueCommand(ctx, command);
removeFromStoreIfNeeded(command.getKey());
return retval;
}
@Override
public Object visitRemoveCommand(InvocationContext ctx, RemoveCommand command) throws Throwable {
Object retval = super.visitRemoveCommand(ctx, command);
removeFromStoreIfNeeded(command.getKey());
return retval;
}
@Override
public Object visitReplaceCommand(InvocationContext ctx, ReplaceCommand command) throws Throwable {
Object retval = super.visitReplaceCommand(ctx, command);
removeFromStoreIfNeeded(command.getKey());
return retval;
}
@Override
public Object visitPutMapCommand(InvocationContext ctx, PutMapCommand command) throws Throwable {
Object retval = super.visitPutMapCommand(ctx, command);
removeFromStoreIfNeeded(command.getMap().keySet().toArray());
return retval;
}
// read commands
@Override
public Object visitGetKeyValueCommand(InvocationContext ctx, GetKeyValueCommand command) throws Throwable {
Object retval = super.visitGetKeyValueCommand(ctx, command);
removeFromStoreIfNeeded(command.getKey());
return retval;
}
@Override
protected void sendNotification(Object key, Object value, boolean pre, InvocationContext ctx) {
super.sendNotification(key, value, pre, ctx);
notifier.notifyCacheEntryActivated(key, value, pre, ctx);
}
private void removeFromStoreIfNeeded(Object... keys) {
if (enabled && isManualEviction) {
if (log.isTraceEnabled())
log.tracef("Remove from store keys=%s, if needed", Arrays.toString(keys));
for (Object key: keys)
activationManager.activate(key);
}
}
}