public static string Build(List <string> cultures)
{
string message = null;
if (!IsBuilding)
{
IsBuilding = true;
string luceneDirectory = GetLuceneDirectory();
LuceneNetConfig.LuceneDirectory = luceneDirectory;
LuceneNetConfig.LuceneDictDirectory = LuceneDictDirectory;
string luceneBuildDir = null;
Directory directory = null;
IndexWriter indexWriter = null;
ColumnField[] columnFields = GetColumnFields();
List <View_seo_keys_culture> viewSEOKeysCultureList = SelectAllViewSEOKeysCulture();
foreach (string culture in cultures)
{
luceneBuildDir = IOHelper.CombinePath(luceneDirectory, culture.ToUpper());
IOHelper.ClearDirectory(luceneBuildDir);
directory = LuceneBus.GetDirectory(luceneBuildDir);
if (LuceneBus.IsLocked(directory))
{
LuceneBus.UnLock(directory);
}
try
{
indexWriter = LuceneBus.GetWriter(culture, directory);
//http://blog.jobbole.com/80464/
int pageCount = Select(culture);
if (pageCount > 0)
{
int spuID = 0;
List <LuceneSpuModel> luceneSpuModelList = null;
for (int pageIndex = 1; pageIndex <= pageCount; pageIndex++)
{
luceneSpuModelList = Select(viewSEOKeysCultureList, culture, ref spuID);
if (luceneSpuModelList != null && luceneSpuModelList.Count > 0)
{
LuceneBus.Insert <LuceneSpuModel>(indexWriter, luceneSpuModelList, columnFields);
luceneSpuModelList.Clear();
luceneSpuModelList = null;
}
else
{
break;
}
}
if (luceneSpuModelList != null)
{
if (luceneSpuModelList.Count > 0)
{
luceneSpuModelList.Clear();
}
luceneSpuModelList = null;
}
LuceneBus.MaybeMerge(indexWriter);
LuceneBus.Commit(indexWriter);
}
}
catch (Exception ex)
{
message = "Build(Language[] cultures)出现错误，错误信息：" + ex.Message;
}
finally
{
if (indexWriter != null)
{
LuceneBus.Close(indexWriter);
indexWriter = null;
}
}
if (!string.IsNullOrWhiteSpace(message))
{
break;
}
}
Change();//索引生成完切换前台搜索目录
if (columnFields != null)
{
Array.Clear(columnFields, 0, columnFields.Length);
columnFields = null;
}
IsBuilding = false;
}
return(message);
}