Example usage for org.apache.lucene.index IndexWriter close

Introduction

In this page you can find the example usage for org.apache.lucene.index IndexWriter close.

Prototype

@Override
public void close() throws IOException 

Source Link

Document

Closes all open resources and releases the write lock.

Usage

From source file:com.mathworks.xzheng.analysis.positional.PositionalPorterStopAnalyzerTest.java

License:Apache License

public void setUp() throws Exception {

    RAMDirectory directory = new RAMDirectory();
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, porterAnalyzer);
    IndexWriter writer = new IndexWriter(directory, config);

    Document doc = new Document();
    doc.add(new Field("contents", "The quick brown fox jumps over the lazy dog", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc);/*from   ww w .  j a v  a2 s .  c  o m*/
    writer.close();
    searcher = new IndexSearcher(DirectoryReader.open(directory));
    parser = new QueryParser(Version.LUCENE_46, "contents", porterAnalyzer);
}

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From source file:com.mathworks.xzheng.analysis.synonym.SynonymAnalyzerTest.java

License:Apache License

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

    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, synonymAnalyzer);
    IndexWriter writer = new IndexWriter(directory, config); //#1
    Document doc = new Document();
    doc.add(new Field("content", "The quick brown fox jumps over the lazy dog", Field.Store.YES,
            Field.Index.ANALYZED)); //#2
    writer.addDocument(doc);//from w  ww. j a v  a 2 s .  c om

    writer.close();

    searcher = new IndexSearcher(DirectoryReader.open(directory));
}

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From source file:com.mathworks.xzheng.common.CreateTestIndex.java

License:Apache License

public static void main(String[] args) throws IOException {
    String dataDir = args[0];//w  ww  .j a v a  2 s .  c om
    String indexDir = args[1];
    List<File> results = new ArrayList<File>();
    findFiles(results, new File(dataDir));
    System.out.println(results.size() + " books to index");
    Directory dir = FSDirectory.open(new File(indexDir));
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, new MyStandardAnalyzer());
    config.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
    IndexWriter w = new IndexWriter(dir, config);
    for (File file : results) {
        Document doc = getDocument(dataDir, file);
        w.addDocument(doc);
    }
    w.close();
    dir.close();
}

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From source file:com.mathworks.xzheng.extsearch.sorting.DistanceSortingTest.java

License:Apache License

protected void setUp() throws Exception {
    directory = new RAMDirectory();
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new WhitespaceAnalyzer(Version.LUCENE_46));

    IndexWriter writer = new IndexWriter(directory, config);
    addPoint(writer, "El Charro", "restaurant", 1, 2);
    addPoint(writer, "Cafe Poca Cosa", "restaurant", 5, 9);
    addPoint(writer, "Los Betos", "restaurant", 9, 6);
    addPoint(writer, "Nico's Taco Shop", "restaurant", 3, 8);

    writer.close();

    searcher = new IndexSearcher(DirectoryReader.open(directory));

    query = new TermQuery(new Term("type", "restaurant"));
}

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From source file:com.mathworks.xzheng.indexing.Fragments.java

License:Apache License

public void docBoostMethod() throws IOException {

    Directory dir = new RAMDirectory();
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new StandardAnalyzer(Version.LUCENE_46));
    IndexWriter writer = new IndexWriter(dir, config);

    // START/*from   www. j  a  va  2  s. co  m*/
    Document doc = new Document();
    String senderEmail = getSenderEmail();
    String senderName = getSenderName();
    String subject = getSubject();
    String body = getBody();
    doc.add(new Field("senderEmail", senderEmail, Field.Store.YES, Field.Index.NOT_ANALYZED));
    doc.add(new Field("senderName", senderName, Field.Store.YES, Field.Index.ANALYZED));
    doc.add(new Field("subject", subject, Field.Store.YES, Field.Index.ANALYZED));
    doc.add(new Field("body", body, Field.Store.NO, Field.Index.ANALYZED));
    String lowerDomain = getSenderDomain().toLowerCase();
    if (isImportant(lowerDomain)) {
        doc.setBoost(1.5F); //1
    } else if (isUnimportant(lowerDomain)) {
        doc.setBoost(0.1F); //2 
    }
    writer.addDocument(doc);
    // END
    writer.close();

    /*
      #1 Good domain boost factor: 1.5
      #2 Bad domain boost factor: 0.1
    */
}

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From source file:com.mathworks.xzheng.indexing.IndexingTest.java

License:Apache License

public void testDeleteAfterOptimize() throws IOException {
    IndexWriter writer = getWriter();
    assertEquals(2, writer.numDocs());/*from w w  w  . j a  v  a 2s  . c  o  m*/
    writer.deleteDocuments(new Term("id", "1"));
    //writer.optimize();                //3
    writer.forceMerge(1);
    writer.commit();
    assertFalse(writer.hasDeletions());
    assertEquals(1, writer.maxDoc()); //C
    assertEquals(1, writer.numDocs()); //C    
    writer.close();
}

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From source file:com.mathworks.xzheng.indexing.IndexingTest.java

License:Apache License

public void testMaxFieldLength() throws IOException {

    assertEquals(1, getHitCount("contents", "bridges")); //1
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new WhitespaceAnalyzer(Version.LUCENE_46));
    IndexWriter writer = new IndexWriter(directory, config); //2
    Document doc = new Document(); // 3
    doc.add(new Field("contents", "these bridges can't be found", // 3
            Field.Store.NO, Field.Index.ANALYZED)); // 3
    writer.addDocument(doc); // 3
    writer.close(); // 3

    assertEquals(1, getHitCount("contents", "bridges")); //4
}

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From source file:com.mathworks.xzheng.indexing.LockTest.java

License:Apache License

public void testWriteLock() throws IOException {

    IndexWriterConfig config1 = new IndexWriterConfig(Version.LUCENE_46, new SimpleAnalyzer(Version.LUCENE_46));
    IndexWriterConfig config2 = new IndexWriterConfig(Version.LUCENE_46, new SimpleAnalyzer(Version.LUCENE_46));

    IndexWriter writer1 = new IndexWriter(dir, config1);
    IndexWriter writer2 = null;//from   w w w.j a v  a  2 s.  c o  m
    try {
        writer2 = new IndexWriter(dir, config2);
        fail("We should never reach this point");
    } catch (LockObtainFailedException e) {
        // e.printStackTrace();  // #A
    } finally {
        writer1.close();
        assertNull(writer2);
        TestUtil.rmDir(indexDir);
    }
}

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From source file:com.mathworks.xzheng.indexing.VerboseIndexing.java

License:Apache License

private void index() throws IOException {

    Directory dir = new RAMDirectory();
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new WhitespaceAnalyzer(Version.LUCENE_46));
    IndexWriter writer = new IndexWriter(dir, config);

    config.setInfoStream(System.out);

    for (int i = 0; i < 100; i++) {
        Document doc = new Document();
        doc.add(new Field("keyword", "goober", Field.Store.YES, Field.Index.NOT_ANALYZED));
        writer.addDocument(doc);/*  w  w  w  .  j  a  v a 2 s .  c  o m*/
    }
    //writer.optimize();
    writer.forceMerge(Integer.MAX_VALUE);
    writer.close();
}

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From source file:com.mathworks.xzheng.searching.NearRealTimeTest.java

License:Apache License

public void testNearRealTime() throws Exception {
    Directory dir = new RAMDirectory();

    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new StandardAnalyzer(Version.LUCENE_46));
    IndexWriter writer = new IndexWriter(dir, config);
    for (int i = 0; i < 10; i++) {
        Document doc = new Document();
        doc.add(new Field("id", "" + i, Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
        doc.add(new Field("text", "aaa", Field.Store.NO, Field.Index.ANALYZED));
        writer.addDocument(doc);/* ww  w .  j a  va2s.  c o  m*/
    }
    IndexReader reader = DirectoryReader.open(writer.getDirectory()); // #1
    IndexSearcher searcher = new IndexSearcher(reader); // #A

    Query query = new TermQuery(new Term("text", "aaa"));
    TopDocs docs = searcher.search(query, 1);
    assertEquals(10, docs.totalHits); // #B

    writer.deleteDocuments(new Term("id", "7")); // #2

    Document doc = new Document(); // #3
    doc.add(new Field("id", // #3
            "11", // #3
            Field.Store.NO, // #3
            Field.Index.NOT_ANALYZED_NO_NORMS)); // #3
    doc.add(new Field("text", // #3
            "bbb", // #3
            Field.Store.NO, // #3
            Field.Index.ANALYZED)); // #3
    writer.addDocument(doc); // #3

    //IndexReader newReader = reader.reopen();                 // #4
    IndexReader newReader = DirectoryReader.open(writer.getDirectory()); // #4
    assertFalse(reader == newReader); // #5
    reader.close(); // #6
    searcher = new IndexSearcher(newReader);

    TopDocs hits = searcher.search(query, 10); // #7
    assertEquals(9, hits.totalHits); // #7

    query = new TermQuery(new Term("text", "bbb")); // #8
    hits = searcher.search(query, 1); // #8
    assertEquals(1, hits.totalHits); // #8

    newReader.close();
    writer.close();
}

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