/// <summary>
/// 搜索引擎
/// </summary>
/// <param name="indexerOptions">索引选项</param>
/// <param name="context">数据库上下文</param>
/// <param name="overrideIfExists">是否被覆盖</param>
public SearchEngine(LuceneIndexerOptions indexerOptions, TContext context, IMemoryCache memoryCache, bool overrideIfExists = false)
{
Context = context;
_memoryCache = memoryCache;
if (isInitialized == false || overrideIfExists)
{
InitializeLucene(indexerOptions);
isInitialized = true;
}
}
/// <summary>
/// 初始化索引库
/// </summary>
/// <param name="options"></param>
private void InitializeLucene(LuceneIndexerOptions options)
{
if (_directory == null)
{
_directory = FSDirectory.Open(options.Path);
}
_analyzer = new JieBaAnalyzer(TokenizerMode.Search);
_indexer = new LuceneIndexer(_directory, _analyzer);
_searcher = new LuceneIndexSearcher(_directory, _analyzer, _memoryCache);
}