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.search.advanced.FilterTest.java

License:Apache License

protected void setUp() throws Exception { //
    allBooks = new MatchAllDocsQuery();
    dir = TestUtil.getBookIndexDirectory();
    searcher = new IndexSearcher(dir);
}

---

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

License:Apache License

public void testRecency() throws Throwable {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexReader r = DirectoryReader.open(dir);
    IndexSearcher s = new IndexSearcher(r);
    s.setDefaultFieldSortScoring(true, true);

    QueryParser parser = new QueryParser(Version.LUCENE_46, "contents",
            new StandardAnalyzer(Version.LUCENE_46));
    Query q = parser.parse("java in action"); // #A
    Query q2 = new RecencyBoostingQuery(q, // #B
            2.0, 2 * 365, "pubmonthAsDay");
    Sort sort = new Sort(new SortField[] { SortField.FIELD_SCORE, new SortField("title2", SortField.STRING) });
    TopDocs hits = s.search(q2, null, 5, sort);

    for (int i = 0; i < hits.scoreDocs.length; i++) {
        Document doc = r.document(hits.scoreDocs[i].doc);
        LOGGER.info((1 + i) + ": " + doc.get("title") + ": pubmonth=" + doc.get("pubmonth") + " score="
                + hits.scoreDocs[i].score);
    }/*from w  w w.j  a  v a2s  .  c o m*/
    s.close();
    r.close();
    dir.close();
}

---

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

License:Apache License

protected void setUp() throws Exception {
    Directory directory = new RAMDirectory();
    IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(Version.LUCENE_46),
            IndexWriter.MaxFieldLength.UNLIMITED);
    Document doc1 = new Document();
    doc1.add(new Field("field", "the quick brown fox jumped over the lazy dog", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc1);/*from w w w  .  j  a  v  a2s  . c  o m*/
    Document doc2 = new Document();
    doc2.add(new Field("field", "the fast fox hopped over the hound", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc2);
    writer.close();

    searcher = new IndexSearcher(directory);
}

---

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

License:Apache License

public void setUp() throws Exception {
    String[] animals = { "aardvark", "beaver", "coati", "dog", "elephant", "frog", "gila monster", "horse",
            "iguana", "javelina", "kangaroo", "lemur", "moose", "nematode", "orca", "python", "quokka", "rat",
            "scorpion", "tarantula", "uromastyx", "vicuna", "walrus", "xiphias", "yak", "zebra" };

    Analyzer analyzer = new WhitespaceAnalyzer(Version.LUCENE_46);

    Directory aTOmDirectory = new RAMDirectory(); //
    Directory nTOzDirectory = new RAMDirectory(); //

    IndexWriter aTOmWriter = new IndexWriter(aTOmDirectory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
    IndexWriter nTOzWriter = new IndexWriter(nTOzDirectory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);

    for (int i = animals.length - 1; i >= 0; i--) {
        Document doc = new Document();
        String animal = animals[i];
        doc.add(new Field("animal", animal, Field.Store.YES, Field.Index.NOT_ANALYZED));
        if (animal.charAt(0) < 'n') {
            aTOmWriter.addDocument(doc); //
        } else {// w w w.jav a  2  s  .c  om
            nTOzWriter.addDocument(doc); //
        }
    }

    aTOmWriter.close();
    nTOzWriter.close();

    searchers = new IndexSearcher[2];
    searchers[0] = new IndexSearcher(aTOmDirectory);
    searchers[1] = new IndexSearcher(nTOzDirectory);
}

---

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

License:Apache License

public void testMulti() throws Exception {

    IndexSearcher searcher = new IndexSearcher(searchers);

    TermRangeQuery query = new TermRangeQuery("animal", //
            "h", //
            "t", //
            true, true);// #3

    TopDocs hits = searcher.search(query, 10);
    assertEquals("tarantula not included", 12, hits.totalHits);
}

---

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

License:Apache License

protected void setUp() throws Exception {
    Directory directory = new RAMDirectory();
    IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(Version.LUCENE_46),
            IndexWriter.MaxFieldLength.UNLIMITED);

    Document document = new Document();
    document.add(new Field("owner", "elwood", Field.Store.YES, Field.Index.NOT_ANALYZED));
    document.add(new Field("keywords", "elwood's sensitive info", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(document);/*from   w  w w  . ja  va  2 s .c o m*/

    document = new Document();
    document.add(new Field("owner", "jake", Field.Store.YES, Field.Index.NOT_ANALYZED));
    document.add(new Field("keywords", "jake's sensitive info", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(document);

    writer.close();
    searcher = new IndexSearcher(directory);
}

---

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

License:Apache License

public void displayResults(Query query, Sort sort) //
        throws IOException {
    IndexSearcher searcher = new IndexSearcher(directory);

    searcher.setDefaultFieldSortScoring(true, false); //

    TopDocs results = searcher.search(query, null, //
            20, sort); //

    LOGGER.info("\nResults for: " + //
            query.toString() + " sorted by " + sort);

    LOGGER.info(StringUtils.rightPad("Title", 30) + StringUtils.rightPad("pubmonth", 10)
            + StringUtils.center("id", 4) + StringUtils.center("score", 15));

    PrintStream out = new PrintStream(System.out, true, "UTF-8"); //

    DecimalFormat scoreFormatter = new DecimalFormat("0.######");
    for (ScoreDoc sd : results.scoreDocs) {
        int docID = sd.doc;
        float score = sd.score;
        Document doc = searcher.doc(docID);
        out.println(StringUtils.rightPad( //
                StringUtils.abbreviate(doc.get("title"), 29), 30) + //
                StringUtils.rightPad(doc.get("pubmonth"), 10) + //
                StringUtils.center("" + docID, 4) + //
                StringUtils.leftPad( //
                        scoreFormatter.format(score), 12)); //
        out.println("   " + doc.get("category"));
        //out.println(searcher.explain(query, docID));   //
    }// w ww. j  a  v a  2 s  .  co m

    searcher.close();
}

---

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

License:Apache License

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

      analyzer = new WhitespaceAnalyzer(Version.LUCENE_46);
      IndexWriter writer = new IndexWriter(directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);

      Document doc = new Document();
      doc.add(new Field("f", "the quick brown fox jumps over the lazy dog", Field.Store.YES,
              Field.Index.ANALYZED));
      writer.addDocument(doc);// w w w  .  j a  v  a2  s.c om

      doc = new Document();
      doc.add(new Field("f", "the quick red fox jumps over the sleepy cat", Field.Store.YES,
              Field.Index.ANALYZED));
      writer.addDocument(doc);

      writer.close();

      searcher = new IndexSearcher(directory);
      reader = searcher.getIndexReader();

      quick = new SpanTermQuery(new Term("f", "quick"));
      brown = new SpanTermQuery(new Term("f", "brown"));
      red = new SpanTermQuery(new Term("f", "red"));
      fox = new SpanTermQuery(new Term("f", "fox"));
      lazy = new SpanTermQuery(new Term("f", "lazy"));
      sleepy = new SpanTermQuery(new Term("f", "sleepy"));
      dog = new SpanTermQuery(new Term("f", "dog"));
      cat = new SpanTermQuery(new Term("f", "cat"));
  }

---

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

License:Apache License

public void testTimeLimitingCollector() throws Exception {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir);
    Query q = new MatchAllDocsQuery();
    int numAllBooks = TestUtil.hitCount(searcher, q);

    TopScoreDocCollector topDocs = TopScoreDocCollector.create(10, false);
    Collector collector = new TimeLimitingCollector(topDocs, // #A
            1000); // #A
    try {/*from w ww  .  j  a  v  a  2  s.c om*/
        searcher.search(q, collector);
        assertEquals(numAllBooks, topDocs.getTotalHits()); // #B
    } catch (TimeExceededException tee) { // #C
        LOGGER.info("Too much time taken."); // #C
    } // #C
    searcher.close();
    dir.close();
}

---

From source file:aos.lucene.search.ext.collector.CollectorTest.java

License:Apache License

public void testCollecting() throws Exception {
    Directory dir = TestUtil.getBookIndexDirectory();
    TermQuery query = new TermQuery(new Term("contents", "junit"));
    IndexSearcher searcher = new IndexSearcher(dir);

    BookLinkCollector collector = new BookLinkCollector();
    searcher.search(query, collector);/*from   ww w  .  j  a  va 2s .  co  m*/

    Map<String, String> linkMap = collector.getLinks();
    assertEquals("ant in action", linkMap.get("http://www.manning.com/loughran"));

    TopDocs hits = searcher.search(query, 10);
    TestUtil.dumpHits(searcher, hits);

    searcher.close();
    dir.close();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• »