adminsession.java~21~

一个J2EE四层架构的实例

package sqlaccounts;

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

public class AdminSession {
  private Login loginer;
  private String type;
  private double bal;
  private  String Id;
  public  Collection   conType;
  public AdminSession()
  {
    try{
      Context ctx = new InitialContext();
      LoginHome home = (LoginHome)javax.rmi.PortableRemoteObject.narrow(ctx.lookup("Login"),LoginHome.class);
      loginer = home.create();
    }catch(Exception e){
      System.out.println(e);
    }
  }
  private void log(String s)
  {
    System.out.println(s);
  }
  public boolean login(String Id){
    try{
      return loginer.login(Id);
    }catch(Exception e){
      return false;
    }
  }
  public boolean AddAmount(String id, String Type, double bal)
  {
    /**@todo Complete this method*/
    try
    {
      return loginer.AddId(id, Type, bal);

    }
    catch(Exception e)
    {
      return false;
    }

  }
  public boolean findByType(String Type)
  {
   try
   {
     conType=loginer.findByType(Type);
     return true;
    }
    catch(Exception e)
    {
     return false;
    }

  }
  public boolean findOrCreateAccount(String id,  String accountType,double balance)
  {

    try
    {
      return loginer.findOrCreateAccount(id,  accountType,balance);
    }
    catch (Exception onfe)
    {
      return false;
    }

  }
  public void setId(String id)
  {
    this.Id =id;
  }
  public String getId()
  {
    return Id;
  }
  public void setBal(double bal)
  {
    this.bal=bal;
  }

  public double getBal()
  {
    return bal;

  }
  public void setType(String type)
  {
    this.type=type;
  }
  public String getType()
  {
    return type;
  }

}