Example usage for org.apache.lucene.search IndexSearcher IndexSearcher

Introduction

In this page you can find the example usage for org.apache.lucene.search IndexSearcher IndexSearcher.

Prototype

public IndexSearcher(IndexReaderContext context)

Source Link

Document

Creates a searcher searching the provided top-level IndexReaderContext .

Usage

From source file:aos.lucene.admin.SearcherManager.java

License:Apache License

public SearcherManager(Directory dir) throws IOException {
    currentSearcher = new IndexSearcher(DirectoryReader.open(dir));
    warm(currentSearcher);
}

From source file:aos.lucene.admin.SearcherManager.java

License:Apache License

public SearcherManager(IndexWriter writer) throws IOException {

    this.writer = writer;
    IndexReader reader = DirectoryReader.open(writer.getDirectory());
    currentSearcher = new IndexSearcher(reader);
    warm(currentSearcher);//from  w w  w  .  j  ava2s  .  c  o m

    writer.getConfig().setMergedSegmentWarmer(new IndexWriter.IndexReaderWarmer() {
        public void warm(AtomicReader reader) throws IOException {
            SearcherManager.this.warm(new IndexSearcher(reader));
        }
    });
}

From source file:aos.lucene.admin.SearcherManager.java

License:Apache License

public void maybeReopen() throws InterruptedException, IOException {

    startReopen();/*from  w w  w.  j  a v a2  s .  c o m*/

    try {
        final IndexSearcher searcher = get();
        try {
            IndexReader newReader = currentSearcher.getIndexReader().reopen();
            if (newReader != currentSearcher.getIndexReader()) {
                IndexSearcher newSearcher = new IndexSearcher(newReader);
                if (writer == null) {
                    warm(newSearcher);
                }
                swapSearcher(newSearcher);
            }
        } finally {
            release(searcher);
        }
    } finally {
        doneReopen();
    }
}

From source file:aos.lucene.analysis.codec.MetaphoneAnalyzerTest.java

License:Apache License

public void testKoolKat() throws Exception {

    RAMDirectory directory = new RAMDirectory();
    Analyzer analyzer = new MetaphoneReplacementAnalyzer();

    IndexWriter writer = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED);

    Document doc = new Document();
    doc.add(new Field("contents", "cool cat", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc);/*from  www.j a  v  a  2 s.c om*/
    writer.close();

    IndexSearcher searcher = new IndexSearcher(directory);

    Query query = new QueryParser(Version.LUCENE_46, "contents", analyzer).parse("kool kat");

    TopDocs hits = searcher.search(query, 1);
    assertEquals(1, hits.totalHits);
    int docID = hits.scoreDocs[0].doc;
    Document storedDoc = searcher.doc(docID);
    assertEquals("cool cat", storedDoc.get("contents"));

    searcher.close();
}

From source file:aos.lucene.analysis.i18n.ChineseTest.java

License:Apache License

public void testChinese() throws Exception {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir);
    Query query = new TermQuery(new Term("contents", "?"));
    assertEquals("tao", 1, TestUtil.hitCount(searcher, query));
}

From source file:aos.lucene.analysis.keyword.KeywordAnalyzerTest.java

License:Apache License

public void setUp() throws Exception {
    Directory directory = new RAMDirectory();

    IndexWriter writer = new IndexWriter(directory, new SimpleAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);

    Document doc = new Document();
    doc.add(new Field("partnum", "Q36", Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS)); //A
    doc.add(new Field("description", "Illidium Space Modulator", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc);//  www .ja  v  a 2 s  .c o m

    writer.close();

    searcher = new IndexSearcher(directory);
}

From source file:aos.lucene.analysis.synonym.WordNetSynonymEngine.java

License:Apache License

public WordNetSynonymEngine(File index) throws IOException {
    fsDir = FSDirectory.open(index);
    searcher = new IndexSearcher(fsDir);
}

From source file:aos.lucene.remote.SearchClient.java

License:Apache License

private static void search(String name, String word) throws Exception {
    TermQuery query = new TermQuery(new Term("word", word));

    IndexSearcher searcher = (IndexSearcher) searcherCache.get(name);

    if (searcher == null) {
        searcher = new IndexSearcher(new IndexSearcher[] { lookupRemote(name) });
        searcherCache.put(name, searcher);
    }/*from  w ww . j  a  v  a2s. com*/

    long begin = new Date().getTime();
    TopDocs hits = searcher.search(query, 10);
    long end = new Date().getTime();

    System.out.print("Searched " + name + " for '" + word + "' (" + (end - begin) + " ms): ");

    if (hits.scoreDocs.length == 0) {
        System.out.print("<NONE FOUND>");
    }

    for (ScoreDoc sd : hits.scoreDocs) {
        Document doc = searcher.doc(sd.doc);
        String[] values = doc.getValues("syn");
        for (String syn : values) {
            System.out.print(syn + " ");
        }
    }
    LOGGER.info();
    LOGGER.info();

}

From source file:aos.lucene.remote.SearchServer.java

License:Apache License

public static void main(String[] args) throws Exception {

    if (args.length != 1) {
        System.err.println("Usage: SearchServer <basedir>");
        System.exit(-1);//from  w  w w.ja v  a 2s  .  co  m
    }

    String basedir = args[0];
    Directory[] dirs = new Directory[ALPHABET.length()];
    IndexSearcher[] searchables = new IndexSearcher[ALPHABET.length()];
    for (int i = 0; i < ALPHABET.length(); i++) {
        dirs[i] = FSDirectory.open(new File(basedir, "" + ALPHABET.charAt(i)));
        searchables[i] = new IndexSearcher(dirs[i]);
    }

    LocateRegistry.createRegistry(1099);

    SimpleSearcher multiSearcher = new IndexSearcher(searchables);
    RemoteIndexSearcher multiImpl = new RemoteIndexSearcher(multiSearcher);
    Naming.rebind("//localhost/LIA_Multi", multiImpl);

    SimpleSearcher parallelSearcher = new ParallelIndexSearcher(searchables);
    RemoteIndexSearcher parallelImpl = new RemoteIndexSearcher(parallelSearcher);
    Naming.rebind("//localhost/LIA_Parallel", parallelImpl);

    LOGGER.info("Server started");

    for (int i = 0; i < ALPHABET.length(); i++) {
        dirs[i].close();
    }
}

From source file:aos.lucene.search.advanced.BooksLikeThis.java

License:Apache License

public BooksLikeThis(IndexReader reader) {
    this.reader = reader;
    searcher = new IndexSearcher(reader);
}