/// <summary>
/// 根据 path 路径获取对应的索引目录缓存
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static LuceneAddIn.Search.IndexSearcher Get(string path)
{
LuceneAddIn.Search.IndexSearcher searcher = null;
// 如果不在缓存中，尝试读取进缓存
IIndexDirectory dir = IndexDirectoryCache.Get(path);
if (dir == null && System.IO.Directory.Exists(path))
{
try
{
LuceneAddIn.Store.FSDirectory directory = LuceneAddIn.Store.MMapDirectory.Open(new System.IO.DirectoryInfo(path));
dir = new LuceneDirectory(path, false) { Directory = directory };
IndexDirectoryCache.Set(dir);
LuceneSearcherManager.Set(dir as LuceneDirectory);
}
catch { }
}
lock (Locker)
{
if (SearcherCache.ContainsKey(path))
{
searcher = SearcherCache[path] ;
}
}
return searcher;
}
/// <summary>
/// 设置一批搜索器进缓存
/// </summary>
/// <param name="dirs"></param>
public static void SetRange(LuceneDirectory[] dirs)
{
if (dirs != null && dirs.Length != 0)
{
foreach (LuceneDirectory dir in dirs)
{
Set(dir);
}
}
}
/// <summary>
/// 设置缓存
/// </summary>
/// <param name="dir"></param>
public static void Set(LuceneDirectory dir)
{
lock (Locker)
{
SearcherCache[dir.IndexPath] = new LuceneAddIn.Search.IndexSearcher(dir.Directory, true);
}
}
