/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, 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.Map;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import org.jboss.web.tomcat.service.session.distributedcache.spi.DistributableSessionMetadata;
import org.jboss.web.tomcat.service.session.distributedcache.spi.IncomingDistributableSessionData;
/**
* Base implementation of {@link DistributableSessionData}.
*
* @author Brian Stansberry
*/
public 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 IncomingDistributableSessionDataImpl(AtomicInteger version, AtomicLong 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.get();
this.timestamp = timestamp.get();
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;
}
}