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HazelcastSessionDataStoreFactory.java
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HazelcastSessionDataStoreFactory.java
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//
// ========================================================================
// Copyright (c) 1995-2019 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.hazelcast.session;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.config.XmlClientConfigBuilder;
import com.hazelcast.config.Config;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.SerializerConfig;
import com.hazelcast.config.XmlConfigBuilder;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import org.eclipse.jetty.server.session.AbstractSessionDataStoreFactory;
import org.eclipse.jetty.server.session.SessionData;
import org.eclipse.jetty.server.session.SessionDataStore;
import org.eclipse.jetty.server.session.SessionDataStoreFactory;
import org.eclipse.jetty.server.session.SessionHandler;
import java.io.IOException;
/**
* Factory to construct {@link HazelcastSessionDataStore}
*/
public class HazelcastSessionDataStoreFactory
extends AbstractSessionDataStoreFactory
implements SessionDataStoreFactory
{
private String hazelcastInstanceName = "JETTY_DISTRIBUTED_SESSION_INSTANCE";
private boolean onlyClient;
private String configurationLocation;
private String mapName = "jetty-distributed-session-map";
private HazelcastInstance hazelcastInstance;
private MapConfig mapConfig;
private boolean scavengeZombies = false;
public boolean isScavengeZombies()
{
return scavengeZombies;
}
public void setScavengeZombies(boolean scavengeZombies)
{
this.scavengeZombies = scavengeZombies;
}
@Override
public SessionDataStore getSessionDataStore( SessionHandler handler )
throws Exception
{
HazelcastSessionDataStore hazelcastSessionDataStore = new HazelcastSessionDataStore();
if ( hazelcastInstance == null )
{
try
{
if ( onlyClient )
{
if ( configurationLocation == null )
{
ClientConfig config = new ClientConfig();
SerializerConfig sc = new SerializerConfig().
setImplementation(new SessionDataSerializer()).
setTypeClass(SessionData.class);
config.getSerializationConfig().addSerializerConfig(sc);
hazelcastInstance = HazelcastClient.newHazelcastClient(config);
}
else
{
hazelcastInstance = HazelcastClient.newHazelcastClient(
new XmlClientConfigBuilder( configurationLocation ).build() );
}
}
else
{
Config config;
if ( configurationLocation == null )
{
SerializerConfig sc = new SerializerConfig().
setImplementation(new SessionDataSerializer()).
setTypeClass(SessionData.class);
config = new Config();
config.getSerializationConfig().addSerializerConfig(sc);
// configure a default Map if null
if ( mapConfig == null )
{
mapConfig = new MapConfig();
mapConfig.setName( mapName );
}
else
{
// otherwise we reuse the name
mapName = mapConfig.getName();
}
config.addMapConfig( mapConfig );
}
else
{
config = new XmlConfigBuilder( configurationLocation ).build();
}
config.setInstanceName( hazelcastInstanceName );
hazelcastInstance = Hazelcast.getOrCreateHazelcastInstance( config );
}
}
catch ( IOException e )
{
throw new RuntimeException( e.getMessage(), e );
}
}
// initialize the map
hazelcastSessionDataStore.setSessionDataMap(hazelcastInstance.getMap( mapName ));
hazelcastSessionDataStore.setGracePeriodSec(getGracePeriodSec());
hazelcastSessionDataStore.setSavePeriodSec(getSavePeriodSec());
hazelcastSessionDataStore.setScavengeZombieSessions(scavengeZombies);
return hazelcastSessionDataStore;
}
public boolean isOnlyClient()
{
return onlyClient;
}
/**
*
* @param onlyClient if <code>true</code> the session manager will only connect to an external Hazelcast instance
* and not use this JVM to start an Hazelcast instance
*/
public void setOnlyClient( boolean onlyClient )
{
this.onlyClient = onlyClient;
}
public String getConfigurationLocation()
{
return configurationLocation;
}
public void setConfigurationLocation( String configurationLocation )
{
this.configurationLocation = configurationLocation;
}
public String getMapName()
{
return mapName;
}
public void setMapName( String mapName )
{
this.mapName = mapName;
}
public HazelcastInstance getHazelcastInstance()
{
return hazelcastInstance;
}
public void setHazelcastInstance( HazelcastInstance hazelcastInstance )
{
this.hazelcastInstance = hazelcastInstance;
}
public MapConfig getMapConfig()
{
return mapConfig;
}
public void setMapConfig( MapConfig mapConfig )
{
this.mapConfig = mapConfig;
}
public String getHazelcastInstanceName()
{
return hazelcastInstanceName;
}
public void setHazelcastInstanceName( String hazelcastInstanceName )
{
this.hazelcastInstanceName = hazelcastInstanceName;
}
}