membershipbo.java

来自「icome」· Java 代码 · 共 60 行

package com.icome.bo;

import java.util.Date;
import java.util.List;

import com.icome.dao.*;
import com.icome.entity.*;
import com.icome.dalfactory.*;

public class MembershipBO {
	
	private static final MembershipDAO membershipdao = DataAccess.createMembershipDAO();
	
	public boolean  save(Membership transientInstance)
	{
		try{
			
			membershipdao.save(transientInstance);
			return true;
			
		}catch(Exception e)
		{
			return false;
		}
	}
	
	public boolean delete(Membership persistentInstance)
	{
		try{
			membershipdao.delete(persistentInstance);
			return  true;
		}catch(Exception e)
		{
			return false;
		}
	}
	
	public boolean delete(int mid)
	{
		try{
			Membership membership = membershipdao.findById(mid);
			membershipdao.delete(membership);
			return true;
		}catch(Exception e)
		{
			return false;
		}
	}
	
	public Membership retrieve(int mid)
	{
		try{
			return membershipdao.findById(mid);
		}catch(Exception e)
		{
			return null;
		}
	}
}