/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, 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.web.tomcat.service.session.persistent;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.jboss.metadata.web.jboss.ReplicationGranularity;
import org.jboss.web.tomcat.service.session.distributedcache.spi.BatchingManager;
import org.jboss.web.tomcat.service.session.distributedcache.spi.DistributableSessionMetadata;
import org.jboss.web.tomcat.service.session.distributedcache.spi.IncomingDistributableSessionData;
import org.jboss.web.tomcat.service.session.distributedcache.spi.OutgoingSessionGranularitySessionData;
/**
*
*
* @author Brian Stansberry
*
* @version $Revision: $
*/
public class PersistentStoreDistributedCacheManager
implements ExtendedDistributedCacheManager<OutgoingSessionGranularitySessionData>
{
private static final BatchingManager BATCH_MGR = new NoOpBatchingManager();
private final PersistentStore store;
/**
*
*/
public PersistentStoreDistributedCacheManager(PersistentStore store)
{
if (store == null)
{
throw new IllegalArgumentException("Null store");
}
this.store = store;
}
public BatchingManager getBatchingManager()
{
return BATCH_MGR;
}
public boolean isPassivationEnabled()
{
return true;
}
public void evictSession(String realId, String dataOwner)
{
// no-op -- we don't keep anything in memory
}
public void evictSession(String realId)
{
// no-op -- we don't keep anything in memory
}
public IncomingDistributableSessionData getSessionData(String realId, boolean initialLoad)
{
return getSessionData(realId, null, true);
}
public IncomingDistributableSessionData getSessionData(String realId, String dataOwner, boolean includeAttributes)
{
return store.getSessionData(realId, includeAttributes);
}
public Map<String, String> getSessionIds()
{
Map<String, String> result = new HashMap<String, String>();
Set<String> keys = store.getSessionIds();
if (keys != null)
{
for (String key : keys)
{
result.put(key, null);
}
}
return result;
}
public void removeSession(String realId)
{
store.remove(realId);
}
public void removeSessionLocal(String realId, String dataOwner)
{
removeSessionLocal(realId);
}
public void removeSessionLocal(String realId)
{
// we ignore this, as it's logically equivalent to an evict
}
public void sessionCreated(String realId)
{
// no-op
}
public Long getSessionTimestamp(String realId)
{
return store.getSessionTimestamp(realId);
}
public Integer getSessionVersion(String realId)
{
return store.getSessionVersion(realId);
}
public void start()
{
store.start();
}
public void stop()
{
store.stop();
}
public void storeSessionData(OutgoingSessionGranularitySessionData sessionData)
{
store.storeSessionData(sessionData);
}
public boolean getSupportsAttributeOperations()
{
return false;
}
public Object getAttribute(String realId, String key)
{
throw new UnsupportedOperationException("Attribute operations not supported " +
"with ReplicationGranularity " + ReplicationGranularity.SESSION);
}
public Set<String> getAttributeKeys(String realId)
{
throw new UnsupportedOperationException("Attribute operations not supported " +
"with ReplicationGranularity " + ReplicationGranularity.SESSION);
}
public Map<String, Object> getAttributes(String realId)
{
throw new UnsupportedOperationException("Attribute operations not supported " +
"with ReplicationGranularity " + ReplicationGranularity.SESSION);
}
public void putAttribute(String realId, Map<String, Object> map)
{
throw new UnsupportedOperationException("Attribute operations not supported " +
"with ReplicationGranularity " + ReplicationGranularity.SESSION);
}
public void putAttribute(String realId, String key, Object value)
{
throw new UnsupportedOperationException("Attribute operations not supported " +
"with ReplicationGranularity " + ReplicationGranularity.SESSION);
}
public Object removeAttribute(String realId, String key)
{
throw new UnsupportedOperationException("Attribute operations not supported " +
"with ReplicationGranularity " + ReplicationGranularity.SESSION);
}
public void removeAttributeLocal(String realId, String key)
{
throw new UnsupportedOperationException("Attribute operations not supported " +
"with ReplicationGranularity " + ReplicationGranularity.SESSION);
}
public static class NoOpBatchingManager implements BatchingManager
{
public boolean isBatchInProgress() throws Exception
{
return false;
}
public void startBatch() throws Exception
{
// no-op
}
public void endBatch()
{
// no-op
}
public void setBatchRollbackOnly() throws Exception
{
// no-op
}
}
public static class IncomingDistributableSessionDataImpl implements IncomingDistributableSessionData
{
private final int version;
private final long timestamp;
private final DistributableSessionMetadata metadata;
private final Map<String, Object> attributes;
public IncomingDistributableSessionDataImpl(Integer version, Long timestamp,
DistributableSessionMetadata metadata,
Map<String, Object> attributes)
{
if (version == null)
throw new IllegalStateException("version is null");
if (timestamp == null)
throw new IllegalStateException("timestamp is null");
if (metadata == null)
throw new IllegalStateException("metadata is null");
this.version = version.intValue();
this.timestamp = timestamp.longValue();
this.metadata = metadata;
this.attributes = attributes;
}
public boolean providesSessionAttributes()
{
return attributes != null;
}
public Map<String, Object> getSessionAttributes()
{
if (attributes == null)
{
throw new IllegalStateException("Not configured to provide session attributes");
}
return attributes;
}
public DistributableSessionMetadata getMetadata()
{
return metadata;
}
public long getTimestamp()
{
return timestamp;
}
public int getVersion()
{
return version;
}
}
}