cmpbookbean.java

来自「Java完全自学宝典配套源代码 全集 例子丰富」· Java 代码 · 共 54 行

//引入相关包
import javax.ejb.*;
//定义组件类
public abstract class CmpBookBean implements EntityBean {
    EntityContext ec;
    //定义相对应的ejbCreate方法
    public String ejbCreate(String isbn,String author,String title,double price) 
                  throws CreateException 
    {

        setIsdn(isdn);
		setAuthor(author);
		setTitle(title);
		setPrice(price);
        return null;
    }
    public void ejbPostCreate(String isbn,String author,String title,double price) 
                throws CreateException 
    {
    }
    //实现业务方法
    public abstract void setIsdn(String isdn);
	public abstract void setAuthor(String author);
	public abstract void setTitle(String title);
    public abstract void setPrice(double price);
	public abstract String getIsdn();
    public abstract String getAuthor();
    public abstract String getTitle();
    public abstract double getPrice();
    //实现EntityBean接口中的方法
	public void ejbLoad() 
	{
    }
    public void ejbStore() 
    {
    }
    public void ejbActivate() 
    {
    }
    public void ejbPassivate() 
    {
    }
    public void ejbRemove()  
    {
    }
    public void unsetEntityContext() 
    {
        this.ec = null;
    }
    public void setEntityContext(EntityContext ec) 
    {
        this.ec = ec;
    }
}