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

List of usage examples for org.apache.lucene.index IndexWriter IndexWriter

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Introduction

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

Prototype

public IndexWriter(Directory d, IndexWriterConfig conf) throws IOException

Source Link

Document

Constructs a new IndexWriter per the settings given in conf.

Usage

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

License:Apache License

private IndexWriter getWriter() throws IOException { // 2

    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new WhitespaceAnalyzer(Version.LUCENE_46));
    return new IndexWriter(directory, config); // 2
}

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
}

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. ja  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);
    }
}

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);//from  w ww.ja v  a2  s. com
    }
    //writer.optimize();
    writer.forceMerge(Integer.MAX_VALUE);
    writer.close();
}

From source file:com.mathworks.xzheng.meetlucene.Indexer.java

License:Apache License

public Indexer(String indexDir) throws IOException {
    Directory dir = FSDirectory.open(new File(indexDir));
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new StandardAnalyzer(Version.LUCENE_46));
    config.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
    writer = new IndexWriter(dir, config); //3
}

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);/*from   w  ww  .java2s  .co  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();
}

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

License:Apache License

protected void setUp() throws IOException {
    dir = new RAMDirectory();

    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new WhitespaceAnalyzer(Version.LUCENE_46));

    IndexWriter writer = new IndexWriter(dir, config);
    Document doc = new Document();
    doc.add(new Field("field", // 1
            "the quick brown fox jumped over the lazy dog", // 1
            Field.Store.YES, // 1
            Field.Index.ANALYZED)); // 1
    writer.addDocument(doc);/*from   w ww .j  av  a  2  s.  c o  m*/
    writer.close();

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

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

License:Apache License

private void indexSingleFieldDocs(Field[] fields) throws Exception {
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46,
            new WhitespaceAnalyzer(Version.LUCENE_46));

    IndexWriter writer = new IndexWriter(directory, config);
    for (Field f : fields) {
        Document doc = new Document();
        doc.add(f);//from  w w w .  j a v  a2s.co m
        writer.addDocument(doc);
    }
    writer.forceMerge(1);
    writer.close();
}

From source file:com.mathworks.xzheng.tools.ChainedFilterTest.java

License:Apache License

public 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);

    Calendar cal = Calendar.getInstance();
    cal.set(2009, 1, 1, 0, 0); // A

    for (int i = 0; i < MAX; i++) {
        Document doc = new Document();
        doc.add(new Field("key", "" + (i + 1), Field.Store.YES, Field.Index.NOT_ANALYZED));
        doc.add(new Field("owner", (i < MAX / 2) ? "bob" : "sue", Field.Store.YES, Field.Index.NOT_ANALYZED));
        doc.add(new Field("date", DateTools.timeToString(cal.getTimeInMillis(), DateTools.Resolution.DAY),
                Field.Store.YES, Field.Index.NOT_ANALYZED));
        writer.addDocument(doc);/*from w  ww. j  a  va 2 s .c o  m*/

        cal.add(Calendar.DATE, 1);
    }

    writer.close();

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

    BooleanQuery bq = new BooleanQuery(); // B
    bq.add(new TermQuery(new Term("owner", "bob")), // B
            BooleanClause.Occur.SHOULD); // B
    bq.add(new TermQuery(new Term("owner", "sue")), // B
            BooleanClause.Occur.SHOULD); // B
    query = bq;

    cal.set(2099, 1, 1, 0, 0);
    dateFilter = TermRangeFilter.Less("date", // C
            new BytesRef(DateTools.timeToString( // C
                    cal.getTimeInMillis(), // C
                    DateTools.Resolution.DAY)));// C

    bobFilter = new CachingWrapperFilter( // D
            new QueryWrapperFilter( // D
                    new TermQuery(new Term("owner", "bob")))); // D

    sueFilter = new CachingWrapperFilter( // E
            new QueryWrapperFilter( // E
                    new TermQuery(new Term("owner", "sue")))); // E
}

From source file:com.mathworks.xzheng.tools.FastVectorHighlighterSample.java

License:Apache License

static void makeIndex() throws IOException {
    IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, analyzer);
    config.setOpenMode(IndexWriterConfig.OpenMode.CREATE);

    IndexWriter writer = new IndexWriter(dir, config);
    for (String d : DOCS) {
        Document doc = new Document();
        doc.add(new Field(F, d, Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
        writer.addDocument(doc);/*from w w w  .j a va2  s  . c om*/
    }
    writer.close();
}