accountssessions.java~16~

一个四层结构的j2ee项目实例。对于初学者相当合适。欢迎下载使用。

package sqlaccounts;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */
import javax.ejb.*;
import javax.naming.*;
import javax.rmi.PortableRemoteObject;
import java.rmi.RemoteException;
import java.util.Collection;
import java.util.Hashtable;
import java.util.Properties;
import java.util.Vector;
import java.util.Iterator;

import javax.ejb.CreateException;
import javax.ejb.DuplicateKeyException;
import javax.ejb.FinderException;
import javax.ejb.ObjectNotFoundException;
import javax.ejb.RemoveException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;
public class AccountsSessions
{
   // private BorderLayout borderLayout1 = new BorderLayout();
    private String sample = "Sample";
    private String Type = "Sample";
    private EjbAccountsHome ejbAccountsHome = null;
    public AccountsSessions()
    {
        try
        {
            Context ctx = new InitialContext();
            Object ref = ctx.lookup("EjbAccountsRemote");
            this.ejbAccountsHome = (EjbAccountsHome)PortableRemoteObject.narrow(ref,EjbAccountsHome.class);
        }
        catch(Exception e)
        {


        }
    }
     public String getType()
    {
        return Type;
    }
    public void setType(String newType)
    {
        Type = newType;
    }
    public String getSample()
   {
       return sample;
   }
   public void setSample(String newSample)
   {
       sample = newSample;
   }
   public Vector findByType(String Type)
   {
       try
       {
           Collection AllejbAccounts = ejbAccountsHome.findByType(Type);
           if (AllejbAccounts.isEmpty())
               return null;
           Iterator it = AllejbAccounts.iterator();
           Vector all=new Vector();
           while (it.hasNext()){
               EjbAccounts ejbAccounts = (EjbAccounts)(javax.rmi.PortableRemoteObject.narrow(it.next(),EjbAccounts.class));
               all.add(new AccountsSessions(ejbAccounts.getType()));
           }
           return all;
       }catch(Exception e){
           return null;
       }
   }
   public AccountsSessions AccountsSessions(String type)
   {
       AccountsSessions accountsSessions=new AccountsSessions();
       accountsSessions.setType(type);
       return accountsSessions;
   }
}