counterserviceimpl.java

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/* 
 * Created on 2007-1-30
 * Last modified on 2007-6-12
 * 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.dao.model.Counter;
import com.yeqiangwei.club.param.BaseParameter;
import com.yeqiangwei.club.service.util.CounterService;
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 Counter createOrUpdate(Counter item) {
		if(item.getCounterId()>0){
			return getCounterDAO().update(item);
		}else{
			return getCounterDAO().create(item);
		}
	}

	public Counter create(Counter item) {
		if(item!=null){
			COUNTER = getCounterDAO().create(item);
		}
		this.setMessage(super.getMessage(COUNTER));
		return COUNTER;
	}

	public Counter update(Counter item) {
		COUNTER = getCounterDAO().update(item);
		this.setMessage(super.getMessage(COUNTER));
		return COUNTER;
	}

	public int delete(Counter item) {
		int c = 0;
		if(item.getCounterId()>0){
			c = getCounterDAO().delete(item);
			if(c>0){
				COUNTER = null;
			}
		}
		return c;
	}

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

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

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