xxdao.java

Struts数据库开发中的一个案例

package com.relationinfo.dao;

import java.util.List;

import com.relationinfo.model.Xx;

public interface XxDAO extends DAO {

    /**
     * Retrieves all of the xxs
     */
    public List getXxs(Xx xx);

    /**
     * Gets xx's information based on primary key. An
     * ObjectRetrievalFailureException Runtime Exception is thrown if 
     * nothing is found.
     * 
     * @param xxbm the xx's xxbm
     * @return xx populated xx object
     */
    public Xx getXx(final String xxbm);

    /**
     * Saves a xx's information
     * @param xx the object to be saved
     */	
    public void saveXx(Xx xx);

	/**
     * Removes a xx from the database by xxbm
     * @param xxbm the xx's xxbm
     */
    public void removeXx(final String xxbm);
}