Examples of org.apache.lucene.store.RAMDirectory

org.apache.lucene.store.RAMDirectory
A memory-resident {@link Directory} implementation. Lockingimplementation is by default the {@link SingleInstanceLockFactory}but can be changed with {@link #setLockFactory}.

   * Tests if a WildcardQuery that has only a trailing * in the term is
   * rewritten to a single PrefixQuery. The boost and rewriteMethod should be
   * preserved.
   */
  public void testPrefixTerm() throws IOException {
    RAMDirectory indexStore = getIndexStore("field", new String[]{"prefix", "prefixx"});
    IndexSearcher searcher = new IndexSearcher(indexStore, true);


    MultiTermQuery wq = new WildcardQuery(new Term("field", "prefix*"));
    assertMatches(searcher, wq, 2);

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  /**
   * Tests Wildcard queries with an asterisk.
   */
  public void testAsterisk()
      throws IOException {
    RAMDirectory indexStore = getIndexStore("body", new String[]
    {"metal", "metals"});
    IndexSearcher searcher = new IndexSearcher(indexStore, true);
    Query query1 = new TermQuery(new Term("body", "metal"));
    Query query2 = new WildcardQuery(new Term("body", "metal*"));
    Query query3 = new WildcardQuery(new Term("body", "m*tal"));

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   *
   * @throws IOException if an error occurs
   */
  public void testQuestionmark()
      throws IOException {
    RAMDirectory indexStore = getIndexStore("body", new String[]
    {"metal", "metals", "mXtals", "mXtXls"});
    IndexSearcher searcher = new IndexSearcher(indexStore, true);
    Query query1 = new WildcardQuery(new Term("body", "m?tal"));
    Query query2 = new WildcardQuery(new Term("body", "metal?"));
    Query query3 = new WildcardQuery(new Term("body", "metals?"));

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    assertMatches(searcher, query6, 1); // Query: 'meta??' matches 'metals' not 'metal'
  }


  private RAMDirectory getIndexStore(String field, String[] contents)
      throws IOException {
    RAMDirectory indexStore = new RAMDirectory();
    IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
    for (int i = 0; i < contents.length; ++i) {
      Document doc = new Document();
      doc.add(new Field(field, contents[i], Field.Store.YES, Field.Index.ANALYZED));
      writer.addDocument(doc);

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        {"*h*", "*hi*", "*hij**", "hi*k*", "*n?", "*m?1", "hij**"}, // these should find only doc 1
        {"*o*", "*op*", "*opq**", "op*q*", "*u?", "*t?1", "opq**"}, // these should find only doc 2
    };


    // prepare the index
    RAMDirectory dir = new RAMDirectory();
    IndexWriter iw = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.LIMITED);
    for (int i = 0; i < docs.length; i++) {
      Document doc = new Document();
      doc.add(new Field(field,docs[i],Store.NO,Index.ANALYZED));
      iw.addDocument(doc);

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  }


  @Override
  protected void setUp() throws Exception {
    super.setUp();
    directory = new RAMDirectory();
    PayloadAnalyzer analyzer = new PayloadAnalyzer();
    IndexWriter writer
            = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
    writer.setSimilarity(similarity);
    //writer.infoStream = System.out;

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        "gack (bar blar {a TO z})");
  }


  public void testFarsiRangeCollating() throws Exception {


    RAMDirectory ramDir = new RAMDirectory();
    IndexWriter iw = new IndexWriter(ramDir, new WhitespaceAnalyzer(), true,
        IndexWriter.MaxFieldLength.LIMITED);
    Document doc = new Document();
    doc.add(new Field("content", "\u0633\u0627\u0628", Field.Store.YES,
        Field.Index.NOT_ANALYZED));

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    assertEquals(query1, query2);
  }


  public void testLocalDateFormat() throws IOException, QueryNodeException {


    RAMDirectory ramDir = new RAMDirectory();
    IndexWriter iw = new IndexWriter(ramDir, new WhitespaceAnalyzer(), true,
        IndexWriter.MaxFieldLength.LIMITED);
    addDateDoc("a", 2005, 12, 2, 10, 15, 33, iw);
    addDateDoc("b", 2005, 12, 4, 22, 15, 00, iw);
    iw.close();

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  }
  
  @Override
  public void setUp() throws Exception {
    super.setUp();
    RAMDirectory directory = new RAMDirectory();
    IndexWriter writer= new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
    for (int i = 0; i < docFields.length; i++) {
      Document doc = new Document();
      doc.add(new Field(FIELD, docFields[i], Field.Store.NO, Field.Index.ANALYZED));
      writer.addDocument(doc);

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  }


  @Override
  protected void setUp() throws Exception {
    super.setUp();
    RAMDirectory directory = new RAMDirectory();
    PayloadAnalyzer analyzer = new PayloadAnalyzer();
    IndexWriter writer
      = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
    writer.setSimilarity(similarity);
    //writer.infoStream = System.out;

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