counterserviceimpl.java

来自「社区文章采用的是平板、树形自由选择的两种展示方式」· Java 代码 · 共 88 行

/* 
 * Created on 2007-1-30
 * Last modified on 2007-12-20
 * Powered by YeQiangWei.com
 */
package com.yeqiangwei.club.service.util.impl;

import java.util.List;

import com.yeqiangwei.club.dao.CounterDAO;
import com.yeqiangwei.club.dao.DAOLocator;
import com.yeqiangwei.club.dao.DAOWrapper;
import com.yeqiangwei.club.model.Counter;
import com.yeqiangwei.club.exception.ClubException;
import com.yeqiangwei.club.param.BaseParameter;
import com.yeqiangwei.club.service.util.CounterService;
import com.yeqiangwei.club.util.BeanUtils;
import com.yeqiangwei.club.util.MessageUtils;

public class CounterServiceImpl extends MessageUtils implements CounterService {

	
	public static CounterDAO getCounterDAO(){
		return DAOWrapper.<CounterDAO>getSingletonInstance(DAOLocator.COUNTER);
	}
	
	private static Counter COUNTER;
	
	static{
		if(COUNTER==null){
			COUNTER = getCounterDAO().findOnly();
		}
	}
	
	public Counter findOnly() {
		return COUNTER;
	}

	public Counter findById(int id) {
		if(id>0){
			return getCounterDAO().findById(id);
		}
		return null;
	}

	public void createOrUpdate(Counter item) throws ClubException {
		if(item.getCounterId()>0){
			getCounterDAO().update(item);
		}else{
			getCounterDAO().create(item);
		}
	}

	public void create(Counter item) throws ClubException {
		if(item!=null){
			getCounterDAO().create(item);
			COUNTER = item;
		}
	}

	public void update(Counter model) throws ClubException {
		Counter counter = getCounterDAO().findOnly();
		BeanUtils.copyProperties(counter,model);
		getCounterDAO().update(model);
		COUNTER = model;
	}

	public int delete(Counter item) throws ClubException {
		if(item.getCounterId()>0){
			return getCounterDAO().delete(item);
		}else{
			throw new ClubException(MessageUtils.getMessage("error_param"));
		}
	}

	public int delete(String[] ids) {
		return 0;
	}

	public List<Counter> findByParameter(BaseParameter param) {
		return null;
	}

	public long countByParameter(BaseParameter param) {
		return 0;
	}
}