itemejb.java

《J2EE专业项目实例开发》源代码

import java.sql.*;
import javax.sql.*;
import java.util.*;
import javax.ejb.*;
import javax.naming.*;
import java.rmi.*;

public class ItemEjb implements EntityBean
{
public int itemCode;
public String title;
public String rate;
public String itemDescription;
public String singer;
public String quantityOnHand;   
public String type;
public String releaseDate;
private EntityContext ctx;
Connection con;

public ItemEjb(){}

public int getitemCode()
 {
  return itemCode;
 }
public String gettitle()
 {
  return title;
 }
public String getrate()
  {
    return rate;
  }  
public String getitemDescription() 
  {
    return itemDescription;
  } 
public String getsinger() 
  {
    return singer;
  } 
public String getquantityOnHand() 
 {
   return quantityOnHand;  
 }
public String gettype() 
 {
   return type;
 }
public String getreleaseDate() 
 {
   return releaseDate;
 }


public String ejbCreate(int itemCode,String title, String rate,String itemDescription, String singer, String quantityOnHand, String type,String releaseDate)throws  CreateException {

this.itemCode=itemCode;
this.title=title;
this.rate=rate;
this.itemDescription=itemDescription;
this.singer=singer;
this.quantityOnHand=quantityOnHand;
this.type=type;
this.releaseDate=releaseDate;


return null;
}


public void setEntityContext(EntityContext ctx){
this.ctx=ctx;

}
public void ejbActivate(){
	Object obj=ctx.getPrimaryKey();
        String id=obj.toString();
        itemCode=Integer.parseInt(id);
}

public void ejbPassivate(){
itemCode=0;
     }
public void ejbStore(){}
public void ejbLoad(){}

public void ejbRemove(){}
public void unsetEntityContext(){}
public void ejbPostCreate(int itemCode,String title, String rate,String itemDescription,String singer, String quantityOnHand, String type,String releaseDate){}

}