/*
* 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.test.perf.ejb;
import java.rmi.RemoteException;
import java.rmi.ServerException;
import java.util.Collection;
import java.util.Iterator;
import javax.ejb.CreateException;
import javax.ejb.FinderException;
import javax.ejb.RemoveException;
import javax.ejb.SessionContext;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;
import org.jboss.logging.Logger;
import org.jboss.test.perf.interfaces.EntityLocalHome;
import org.jboss.test.perf.interfaces.EntityLocal;
import org.jboss.test.perf.interfaces.EntityPK;
public class SessionBean implements javax.ejb.SessionBean
{
private static Logger log = Logger.getLogger(SessionBean.class);
private EntityLocalHome entityHome;
public void setSessionContext(SessionContext context)
{
}
public void ejbCreate(String entityName) throws CreateException
{
try
{
Context context = new InitialContext();
Object ref = context.lookup("java:comp/env/"+entityName);
entityHome = (EntityLocalHome) PortableRemoteObject.narrow(ref, EntityLocalHome.class);
}
catch(NamingException e)
{
throw new CreateException("Cound not resolve name: " + e);
}
}
private EntityLocal findByPrimaryKey(int key) throws FinderException
{
EntityPK primaryKey = new EntityPK(key);
return entityHome.findByPrimaryKey(primaryKey);
}
private Collection findInRange(int min, int max) throws FinderException
{
return entityHome.findInRange(min, max);
}
public void create(int low, int high)
throws CreateException
{
for(int i = low; i < high; i++)
{
entityHome.create(i, 0);
}
}
public void remove(int low, int high)
throws RemoveException
{
if(low + 1 == high)
{
try
{
EntityLocal entity = findByPrimaryKey(low);
entity.remove();
}
catch(FinderException e)
{
log.error("Failed to find and remove entity", e);
throw new RemoveException("Failed to find and remove entity");
}
}
else
{
//There is no find in range finder! till someone implements it...
//java.util.Enumeration elements = findInRange(low, high);
int count = 0;
for (int i = low; i < high; i++)
{
try
{
EntityLocal entity = findByPrimaryKey(i);
entity.remove();
count++;
}
catch (Exception e)
{
//ignore
} // end of try-catch
} // end of for ()
if( count != (high-low) )
{
throw new RemoveException("Removed "+count+" but should remove:"+(high-low));
}
}
}
public void read(int id) throws RemoteException
{
try
{
EntityLocal entity = findByPrimaryKey(id);
entity.read();
}
catch(FinderException e)
{
throw new ServerException("findByPrimaryKey failed for id="+id, e);
}
}
public void read(int low, int high) throws RemoteException
{
Collection elements = null;
try
{
elements = findInRange(low, high);
}
catch(FinderException e)
{
throw new ServerException("findInRange failed for low="+low+", high="+high, e);
}
Iterator iter = elements.iterator();
while( iter.hasNext() )
{
EntityLocal entity = (EntityLocal) iter.next();
entity.read();
}
}
public void write(int id) throws RemoteException
{
try
{
EntityLocal entity = findByPrimaryKey(id);
int value = entity.read();
entity.write(value + 1);
}
catch(FinderException e)
{
throw new ServerException("findByPrimaryKey failed for id="+id, e);
}
}
public void write(int low, int high) throws RemoteException
{
Collection elements = null;
try
{
elements = findInRange(low, high);
}
catch(FinderException e)
{
throw new ServerException("findInRange failed for low="+low+", high="+high, e);
}
Iterator iter = elements.iterator();
while( iter.hasNext() )
{
EntityLocal entity = (EntityLocal) iter.next();
int value = entity.read();
entity.write(value + 1);
}
}
public void ejbRemove()
{
}
public void ejbActivate()
{
}
public void ejbPassivate()
{
}
}