/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, 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.test.cluster.clusteredentity;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentSkipListSet;
import javax.ejb.Remote;
import javax.ejb.Remove;
import javax.ejb.Stateful;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.infinispan.Cache;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.notifications.Listener;
import org.infinispan.notifications.cachelistener.annotation.CacheEntryVisited;
import org.infinispan.notifications.cachelistener.event.CacheEntryVisitedEvent;
import org.jboss.ejb3.annotation.RemoteBinding;
import org.jboss.ha.ispn.DefaultCacheContainerRegistry;
import org.jboss.logging.Logger;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 109050 $
*/
@Stateful
@Remote(EntityTest.class)
@RemoteBinding(jndiBinding="EntityTestBean/remote")
@Listener
public class EntityTestBean implements EntityTest
{
private static final Logger log = Logger.getLogger(EntityTestBean.class);
@PersistenceContext
private EntityManager manager;
private List<Cache<?, ?>> caches = new LinkedList<Cache<?, ?>>();
@Override
public void getCache(String regionPrefix)
{
EmbeddedCacheManager container = DefaultCacheContainerRegistry.getInstance().getCacheContainer("hibernate");
for (String cacheName: container.getCacheNames())
{
if (cacheName.startsWith(regionPrefix))
{
Cache<?, ?> cache = container.getCache(cacheName);
cache.addListener(this);
caches.add(cache);
}
}
}
@Override
public Customer createCustomer()
{
System.out.println("CREATE CUSTOMER");
try
{
this.clear();
Customer customer = new Customer();
customer.setId(new Integer(1));
customer.setName("JBoss");
Set<Contact> contacts = new HashSet<Contact>();
Contact kabir = new Contact();
kabir.setId(new Integer(1));
kabir.setCustomer(customer);
kabir.setName("Kabir");
kabir.setTlf("1111");
contacts.add(kabir);
Contact bill = new Contact();
bill.setId(new Integer(2));
bill.setCustomer(customer);
bill.setName("Bill");
bill.setTlf("2222");
contacts.add(bill);
customer.setContacts(contacts);
manager.persist(customer);
return customer;
}
catch (RuntimeException e)
{
throw e;
}
catch (Exception e)
{
throw new RuntimeException(e);
}
finally
{
System.out.println("CREATE CUSTOMER - END");
}
}
@Override
public Customer findByCustomerId(Integer id)
{
System.out.println("FIND CUSTOMER");
this.clear();
try
{
Customer customer = manager.find(Customer.class, id);
return customer;
}
catch (RuntimeException e)
{
throw e;
}
catch (Exception e)
{
throw new RuntimeException(e);
}
finally
{
System.out.println("FIND CUSTOMER - END");
}
}
@Override
public String loadedFromCache()
{
System.out.println("CHECK CACHE");
try
{
System.out.println("Visited: " + this.visited);
if (!this.visited.contains("Customer#1"))
return "Customer#1 was not in cache";
if (!this.visited.contains("Contact#1"))
return "Contact#1 was not in cache";
if (!this.visited.contains("Contact#2"))
return "Contact#2 was not in cache";
if (!this.visited.contains("Customer.contacts#1"))
return "Customer.contacts#1 was not in cache";
return null;
}
finally
{
System.out.println("CHECK CACHE - END");
}
}
@Override
@Remove
public void cleanup()
{
for (Cache<?, ?> cache: caches)
{
cache.removeListener(this);
}
try
{
if (manager != null)
{
Customer c = findByCustomerId(new Integer(1));
if (c != null)
{
for (Contact contact: c.getContacts())
{
manager.remove(contact);
}
c.setContacts(null);
manager.remove(c);
}
}
}
catch (Exception e)
{
log.error("Caught exception in cleanup", e);
}
}
private Set<String> visited = new ConcurrentSkipListSet<String>();
public void clear()
{
visited.clear();
}
@CacheEntryVisited
public void entryVisited(CacheEntryVisitedEvent event)
{
if (!event.isPre())
{
String key = event.getKey().toString();
System.out.println("MyListener - Visiting node " + key);
String token = ".clusteredentity.";
int index = key.indexOf(token);
if (index > -1)
{
index += token.length();
String name = key.substring(index);
System.out.println("MyListener - recording visit to " + name);
visited.add(name);
}
}
}
}