/// <summary>
/// 更新索引
/// </summary>
/// <param name="contentItems">待更新的资讯集合</param>
public void Update(IEnumerable <ContentItem> contentItems)
{
IEnumerable <Document> docs = CmsIndexDocument.Convert(contentItems);
IEnumerable <string> cmsContentItemIds = contentItems.Select(n => n.ContentItemId.ToString());
searchEngine.Update(docs, cmsContentItemIds, CmsIndexDocument.ContentItemId);
}
/// <summary>
/// 重建索引
/// </summary>
public void RebuildIndex()
{
//pageSize参数决定了每次批量取多少条数据进行索引。要注意的是，如果是分布式搜索，客户端会将这部分数据通过WCF传递给服务器端，而WCF默认的最大传输数据量是65535B，pageSize较大时这个设置显然是不够用的，WCF会报400错误；系统现在将最大传输量放宽了，但仍要注意一次不要传输过多，如遇异常，可适当调小pageSize的值
int pageSize = 1000;
int pageIndex = 1;
long totalRecords = 0;
bool isBeginning = true;
bool isEndding = false;
do
{
//分页获取帖子列表
PagingDataSet <ContentItem> contentItems = contentItemService.GetContentItemsForAdmin(null, null, null, pageSize: pageSize, pageIndex: pageIndex);
totalRecords = contentItems.TotalRecords;
isEndding = (pageSize * pageIndex < totalRecords) ? false : true;
//重建索引
List <ContentItem> cmsThreadList = contentItems.ToList <ContentItem>();
IEnumerable <Document> docs = CmsIndexDocument.Convert(cmsThreadList);
searchEngine.RebuildIndex(docs, isBeginning, isEndding);
isBeginning = false;
pageIndex++;
}while (!isEndding);
}
/// <summary>
/// 更新索引
/// </summary>
/// <param name="cmsThread">待更新的资讯</param>
public void Update(ContentItem cmsThread)
{
Document doc = CmsIndexDocument.Convert(cmsThread);
searchEngine.Update(doc, cmsThread.ContentItemId.ToString(), CmsIndexDocument.ContentItemId);
}
/// <summary>
/// 添加索引
/// </summary>
/// <param name="contentItems">待添加的资讯</param>
public void Insert(IEnumerable <ContentItem> contentItems)
{
IEnumerable <Document> docs = CmsIndexDocument.Convert(contentItems);
searchEngine.Insert(docs);
}