itemejb.java

j2ee专业项目实例开发.附有三个项目源码

package music;
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)
	{
	}
}