book.java

< J2EE应用开发详解>>一书全部的源代码. 本书基于J2EE 1．4平台

package com.j2ee14.ch17;

import javax.ejb.*;
import java.rmi.RemoteException;

//组件接口，在这个接口中定义了业务方法。
public interface Book extends EJBObject {

	/**
	 * 增加图书价格。
	 */
	public void increasePrice (double amt) throws BookException, RemoteException;
        
	/**
	 * 减少图书价格。
	 * @throw BookException thrown in amt < available price
	 */
	public void decreasePrice (double amt) throws BookException, RemoteException;

	// Getter/setter 方法，一般给每个字段都提供getter和setter方法。

	public double getPrice() throws RemoteException;

	public String getBookName() throws RemoteException;
	public void setBookName(String name) throws RemoteException;

	public String getBookID() throws RemoteException;
	public void setBookID(String id) throws RemoteException;
}