/// <summary>
        /// 搜索指定类型的数据
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="dataType"></param>
        /// <param name="areaID"></param>
        /// <param name="keyword"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        private List <T> SearchData <T>(IndexDataType dataType, int?areaID, string keyword, int pageIndex, int pageSize, out int count) where T : BaseIndexModel
        {
            string indexPath = string.Empty;

            switch (dataType)
            {
            case IndexDataType.Job: indexPath = IndexConfiguration.GetJobPath(); break;

            case IndexDataType.MallProduct: indexPath = IndexConfiguration.GetMallProductPath(); break;

            case IndexDataType.Merchant: indexPath = IndexConfiguration.GetMerchantPath(); break;

            case IndexDataType.MerchantProduct: indexPath = IndexConfiguration.GetMerchantProductPath(); break;
            }

            List <string> fields = new List <string> {
                "name"
            };                                                //, "desc"

            BooleanQuery bquery = new BooleanQuery();

            //分词器
            Analyzer analyzer = new StandardAnalyzer(IndexConfiguration.LuceneMatchVersion);

            //搜索条件
            Query kwdQuery = MultiFieldQueryParser.Parse(IndexConfiguration.LuceneMatchVersion, keyword, fields.ToArray(), new Occur[] { Occur.SHOULD }, analyzer);//, Occur.SHOULD

            bquery.Add(kwdQuery, Occur.MUST);

            if (areaID.HasValue && areaID.Value > 0)
            {
                Query query = new QueryParser(IndexConfiguration.LuceneMatchVersion, "areaid", analyzer).Parse(areaID.Value.ToString());

                bquery.Add(query, Occur.MUST);
            }

            Sort sort = new Sort(new SortField("updatetime", SortField.STRING, true));

            count = 0;

            var list = SearchHelper.Search <T>(indexPath, bquery, sort, pageIndex, pageSize, out count);

            return(list);
        }
 private MerchantProductIndexManager()
 {
     _config           = new IndexConfig();
     _config.IndexPath = IndexConfiguration.GetMerchantProductPath();
 }