forumtemplate.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 66 行

/* 
 * Created on 2007-2-17
 * Last modified on 2008-8-1
 * Powered by YeQiangWei.com
 */
package com.yeqiangwei.club.service.forum;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import com.yeqiangwei.cache.Cache;
import com.yeqiangwei.club.cache.CacheKeys;
import com.yeqiangwei.club.cache.CacheRegion;
import com.yeqiangwei.cache.singleton.CacheFactory;
import com.yeqiangwei.club.param.ForumParameter;
import com.yeqiangwei.club.service.ServiceLocator;
import com.yeqiangwei.club.service.ServiceWrapper;
import com.yeqiangwei.club.model.Forum;
import com.yeqiangwei.util.Validator;

public abstract class ForumTemplate {
	
	private static Cache<List<Forum>> CACHE_FORUM_LIST = CacheFactory.<List<Forum>>creator(CacheRegion.FORUM_LIST);
	
	public List<Forum> findAll(){
		List<Forum> allList = CACHE_FORUM_LIST.get(CacheKeys.ALL_FORUMS);
		if(Validator.isEmpty(allList)){
			allList = new ArrayList<Forum>();
			ForumParameter param = new ForumParameter();
			param.setForumIdd(0);
			param.setPage(1);
			param.setRows(1000);
			List<Forum> list = this.getForumService().findByParameter(param);
			if(!Validator.isEmpty(list)){
				for(int i=0; i<list.size(); i++){
					Forum model = list.get(i);
					if(!Validator.isEmpty(model)){
						allList.add(model);
						this.findByIdd(allList,model.getForumId());
					}
				}
			}
			CACHE_FORUM_LIST.put(CacheKeys.ALL_FORUMS,allList);
		}
		return allList;
	}
	
	/**
	 * 返回ID下所有版面集合
	 * @param forumIdd
	 * @return
	 */
	public abstract List<Forum> findByIdd(List<Forum> allList, int forumIdd);
	
	public abstract List<Forum> findTops(int rows);

	public ForumService getForumService() {
		return ServiceWrapper.<ForumService>getSingletonInstance(ServiceLocator.FORUM);
	}
	
	public abstract void createForumMenu() throws IOException;

	
}