4.2. Define a Managed Connection Factory

public class MyManagedConnectionFactory extends BasicManagedConnectionFactory 
{
   @Override
   public Object createConnectionFactory() throws ResourceException 
   {
      return new MyConnectionFactory();
   }

   // config property name (metadata for these are defined inside the ra.xml)
   String userName;
   public String getUserName()          {  return this.userName;  }
   public void setUserName(String name){  this.userName = name;  }

   // config property count  (metadata for these are defined inside the ra.xml)
   Integer count;
   public Integer getCount()            {  return this.count;  }
   public void setCount(Integer value) {  this.count = value; }               

}