/// <summary>
/// RAMDirectoryのインデックスをFSIndexとして保存する
/// </summary>
/// <param name="ramDir"></param>
/// <param name="savePath"></param>
/// <param name="analyzer"></param>
private static void SaveFSIndexFromRAMIndex(FlexLucene.Store.Directory ramDir, string savePath, Analyzer analyzer)
{
var fsIndexDir = FSDirectory.Open(FileSystems.getDefault().getPath(savePath));
var fsConfig = new IndexWriterConfig(analyzer);
IndexWriter fsIndexWriter = new IndexWriter(fsIndexDir, fsConfig);
try {
fsIndexWriter.AddIndexes(new FlexLucene.Store.Directory[] { ramDir });
fsIndexWriter.Commit();
} finally {
fsIndexWriter.Close();
}
}
public static void TestFlexLuceneRAM(string[] args)
{
StandardAnalyzer analyzer = new StandardAnalyzer();
FlexLucene.Store.Directory index = (FlexLucene.Store.Directory) new RAMDirectory();
config = new IndexWriterConfig((Analyzer)analyzer);
cnf = new FacetsConfig();
cnf.SetIndexFieldName("title", "facet_title");
cnf.SetIndexFieldName("isbn", "facet_isbn");
LuceneTest.taxoDir = (FlexLucene.Store.Directory) new RAMDirectory();
LuceneTest.taxoWriter = (TaxonomyWriter) new FlexLucene.Facet.Taxonomy.Directory.DirectoryTaxonomyWriter(LuceneTest.taxoDir, IndexWriterConfigOpenMode.CREATE);
IndexWriter w = new IndexWriter(index, LuceneTest.config);
addDoc(w, "Lucene in Action", "9900001");
addDoc(w, "Lucene for Dummies", "9900002");
addDoc(w, "Lucene for Dummies 2", "9900003");
w.close();
String querystr = "isbn:99*";
Query q = new QueryParser("title", (Analyzer)analyzer).Parse(querystr);
int hitsPerPage = 10;
IndexReader reader = (IndexReader)DirectoryReader.Open(index);
IndexSearcher searcher = new IndexSearcher(reader);
TopScoreDocCollector collector = TopScoreDocCollector.Create(hitsPerPage);
searcher.Search(q, (Collector)collector);
ScoreDoc[] hits = collector.TopDocs().ScoreDocs;
Console.WriteLine("Found " + hits.Length + " hits.");
for (int i = 0; i < hits.Length; ++i)
{
int docId = hits [i].Doc;
Document d = searcher.Doc(docId);
Console.WriteLine(i + 1 + ". " + d.Get("isbn") + "\t" + d.Get("title"));
}
SortedSetDocValuesReaderState state = (SortedSetDocValuesReaderState) new DefaultSortedSetDocValuesReaderState(reader, "facet_isbn");
FacetsCollector fc = new FacetsCollector();
FacetsCollector.Search(searcher, q, 10, (Collector)fc);
Facets facets = (Facets) new SortedSetDocValuesFacetCounts(state, fc);
FacetResult result = facets.GetTopChildren(10, "isbn", new String[0]);
for (int j = 0; j < result.ChildCount; ++j)
{
LabelAndValue lv = result.LabelValues [j];
Console.WriteLine(String.Format("Label={0}, Value={1}", lv.Label, lv.Value));
}
reader.close();
}
/// <summary>
/// インデックスをマージして本番ディレクトリへ移動
/// </summary>
/// <param name="analyzer"></param>
/// <param name="rootPath"></param>
/// <param name="targetDir"></param>
public static void MergeAndMove(
Analyzer analyzer,
string rootPath,
string targetDir)
{
System.IO.Directory.CreateDirectory(rootPath + BuildDirName);
FileUtil.DeleteDirectory(new DirectoryInfo(rootPath + BuildDirName));
//2つのインデックスをマージ
var fsIndexDir1 = FSDirectory.Open(FileSystems.getDefault().getPath(rootPath + BuildDirName + "1"));
var fsIndexDir2 = FSDirectory.Open(FileSystems.getDefault().getPath(rootPath + BuildDirName + "2"));
var tmpConf = new IndexWriterConfig(analyzer);
var dirs = new FlexLucene.Store.Directory[] { fsIndexDir1, fsIndexDir2 };
var ramIndexDir = MergeIndexAsRAMDir(dirs, tmpConf);
//インデックスファイルを一時構築用に保存
SaveFSIndexFromRAMIndex(ramIndexDir, rootPath + BuildDirName, analyzer);
//インデックスファイルを一時構築用から検索用に移動
CopyIndexDir(rootPath + BuildDirName, rootPath + IndexDirName);
}