/// <summary>
/// 更新索引
/// </summary>
/// <param name="TopicEntitys">待更新的专题集合</param>
public void Update(IEnumerable <TopicEntity> groups)
{
IEnumerable <Document> docs = TopicIndexDocument.Convert(groups);
IEnumerable <string> groupIds = groups.Select(n => n.TopicId.ToString());
searchEngine.Update(docs, groupIds, TopicIndexDocument.TopicId);
}
/// <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
{
//分页获取专题列表
PagingDataSet <TopicEntity> groups = topicService.GetsForAdmin(null, null, null, null, null, null, null, null, pageSize, pageIndex);
totalRecords = groups.TotalRecords;
isEndding = (pageSize * pageIndex < totalRecords) ? false : true;
//重建索引
List <TopicEntity> groupList = groups.ToList <TopicEntity>();
IEnumerable <Document> docs = TopicIndexDocument.Convert(groupList);
searchEngine.RebuildIndex(docs, isBeginning, isEndding);
isBeginning = false;
pageIndex++;
}while (!isEndding);
}
/// <summary>
/// 更新索引
/// </summary>
/// <param name="TopicEntity">待更新的专题</param>
public void Update(TopicEntity group)
{
Document doc = TopicIndexDocument.Convert(group);
searchEngine.Update(doc, group.TopicId.ToString(), TopicIndexDocument.TopicId);
}
/// <summary>
/// 添加索引
/// </summary>
/// <param name="TopicEntitys">待添加的专题</param>
public void Insert(IEnumerable <TopicEntity> groups)
{
IEnumerable <Document> docs = TopicIndexDocument.Convert(groups);
searchEngine.Insert(docs);
}