friendlabelserviceimpl.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 120 行

/* 
 * Created on 2007-4-26
 * Last modified on 2008-1-1
 * Powered by YeQiangWei.com
 */
package com.yeqiangwei.club.service.user;

import java.util.List;

import org.apache.log4j.Logger;

import com.yeqiangwei.cache.Cache;
import com.yeqiangwei.cache.CacheFactory;
import com.yeqiangwei.club.cache.CacheKeys;
import com.yeqiangwei.club.cache.CacheRegion;
import com.yeqiangwei.club.dao.DAOLocator;
import com.yeqiangwei.club.dao.DAOWrapper;
import com.yeqiangwei.club.dao.FriendLabelDAO;
import com.yeqiangwei.club.model.FriendLabel;
import com.yeqiangwei.club.exception.ClubException;
import com.yeqiangwei.club.param.FriendParameter;
import com.yeqiangwei.club.util.BeanUtils;
import com.yeqiangwei.club.util.MessageUtils;
import com.yeqiangwei.util.TypeChange;
import com.yeqiangwei.util.Validator;

public class FriendLabelServiceImpl implements FriendLabelService{
	
	private static Logger logger = Logger.getLogger(FriendLabelServiceImpl.class);
	
	private static Cache<FriendLabel> CACHE = CacheFactory.<FriendLabel>creator(CacheRegion.FRIEND_LABEL);
	
	public static void main(String args[]){

	}

	public void createOrUpdate(FriendLabel model) throws ClubException {
		if(model.getLabelId()>0){
			this.update(model);
		}else{
			this.create(model);
		}
	}

	public void create(FriendLabel model) throws ClubException {
		if(!Validator.isEmpty(model)){
			if(!Validator.isEmpty(model.getLabelName())){
				this.getFriendLabelDAO().create(model);
			}else{
				throw new ClubException(MessageUtils.getMessage("error_empty"));
			}
		}
	}

	public void update(FriendLabel model) throws ClubException {
		if(!Validator.isEmpty(model)||model.getLabelId()>0){
			if(!Validator.isEmpty(model.getLabelName())){
				FriendLabel item = this.getFriendLabelDAO().findById(model.getLabelId());
				BeanUtils.copyProperties(item,model);
				this.getFriendLabelDAO().update(item);
				CACHE.put(CacheKeys.getKey(model),model);
			}else{
				throw new ClubException(MessageUtils.getMessage("error_empty"));
			}
		}
	}

	public int delete(FriendLabel model) throws ClubException {
		if(!Validator.isEmpty(model)&&model.getLabelId()>0){			
			CACHE.remove(model);
			return this.getFriendLabelDAO().delete(model);
		}else{
			throw new ClubException(MessageUtils.getMessage("error_system"));
		}
	}

	public int delete(String[] ids) {
		int s = 0;
		if(!Validator.isEmpty(ids)){
			for(int i=0; i<ids.length; i++){
				int id = TypeChange.stringToInt(ids[i]);
				FriendLabel model = new FriendLabel();
				model.setLabelId(id);
				try {
					s = s+this.delete(model);
				} catch (ClubException e1) {
					logger.error(e1.toString());
				}
			}
		}
		return s;
	}
	

	public FriendLabel findById(int id) {
		FriendLabel model = null;
		if(id>0){
			FriendLabel item = this.getFriendLabelDAO().findById(id);
			if(!Validator.isEmpty(item)){
				model = new FriendLabel();
				BeanUtils.copyProperties(model,item);
				CACHE.put(CacheKeys.getKey(model),model);
			}
		}
		return model;
	}

	public List<FriendLabel> findByParameter(FriendParameter param) {
		return this.getFriendLabelDAO().findByParameter(param);
	}

	public long countByParameter(FriendParameter param) {
		return this.getFriendLabelDAO().countByParameter(param);
	}

	public FriendLabelDAO getFriendLabelDAO() {
		return DAOWrapper.<FriendLabelDAO>getDAO(DAOLocator.FRIENDLABEL);
	}
}