Package org.apache.lucene.index

Examples of org.apache.lucene.index.IndexReader.docFreq()

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        IndexReader reader = IndexReader.open(dir);
        Term aaa = new Term("content", "aaa");
        Term bbb = new Term("content", "bbb");
        Term ccc = new Term("content", "ccc");
        assertEquals(reader.docFreq(ccc), 37);
        reader.deleteDocument(0);
        assertEquals(reader.docFreq(aaa), 37);
        dir.tweakBufferSizes();
        reader.deleteDocument(4);
        assertEquals(reader.docFreq(bbb), 37);
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        Term aaa = new Term("content", "aaa");
        Term bbb = new Term("content", "bbb");
        Term ccc = new Term("content", "ccc");
        assertEquals(reader.docFreq(ccc), 37);
        reader.deleteDocument(0);
        assertEquals(reader.docFreq(aaa), 37);
        dir.tweakBufferSizes();
        reader.deleteDocument(4);
        assertEquals(reader.docFreq(bbb), 37);
        dir.tweakBufferSizes();
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        assertEquals(reader.docFreq(ccc), 37);
        reader.deleteDocument(0);
        assertEquals(reader.docFreq(aaa), 37);
        dir.tweakBufferSizes();
        reader.deleteDocument(4);
        assertEquals(reader.docFreq(bbb), 37);
        dir.tweakBufferSizes();

        IndexSearcher searcher = new IndexSearcher(reader);
        Hits hits = searcher.search(new TermQuery(bbb));
        dir.tweakBufferSizes();
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        IndexReader reader = IndexReader.open(dir);
        Term aaa = new Term("content", "aaa");
        Term bbb = new Term("content", "bbb");
        Term ccc = new Term("content", "ccc");
        assertEquals(reader.docFreq(ccc), 37);
        reader.deleteDocument(0);
        assertEquals(reader.docFreq(aaa), 37);
        dir.tweakBufferSizes();
        reader.deleteDocument(4);
        assertEquals(reader.docFreq(bbb), 37);
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        Term aaa = new Term("content", "aaa");
        Term bbb = new Term("content", "bbb");
        Term ccc = new Term("content", "ccc");
        assertEquals(reader.docFreq(ccc), 37);
        reader.deleteDocument(0);
        assertEquals(reader.docFreq(aaa), 37);
        dir.tweakBufferSizes();
        reader.deleteDocument(4);
        assertEquals(reader.docFreq(bbb), 37);
        dir.tweakBufferSizes();
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        assertEquals(reader.docFreq(ccc), 37);
        reader.deleteDocument(0);
        assertEquals(reader.docFreq(aaa), 37);
        dir.tweakBufferSizes();
        reader.deleteDocument(4);
        assertEquals(reader.docFreq(bbb), 37);
        dir.tweakBufferSizes();

        IndexSearcher searcher = new IndexSearcher(reader);
        Hits hits = searcher.search(new TermQuery(bbb));
        dir.tweakBufferSizes();
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  public static void getTermInfo(Directory dir, Term term) throws Exception {
    IndexReader reader = DirectoryReader.open(dir);
    long totalTF = HighFreqTerms.getTotalTermFreq(reader, term);
    System.out.printf("%s:%s \t totalTF = %,d \t doc freq = %,d \n",
         term.field(), term.text(), totalTF, reader.docFreq(term));
  }
  
  private static void usage() {
    System.out
        .println("\n\nusage:\n\t"
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      writer.addDocument(doc);
      writer.close();
     
      IndexReader reader = DirectoryReader.open(dir);
      Term t = new Term("field", "x");
      assertEquals(1, reader.docFreq(t));
      t = new Term("field", "z");
      assertEquals(0, reader.docFreq(t));
      reader.close();
      dir.close();
    }
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      IndexReader reader = DirectoryReader.open(dir);
      Term t = new Term("field", "x");
      assertEquals(1, reader.docFreq(t));
      t = new Term("field", "z");
      assertEquals(0, reader.docFreq(t));
      reader.close();
      dir.close();
    }
  }
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    try {
      IndexReader reader = DirectoryReader.open( animal01Directory );
      try {
        int num = reader.numDocs();
        assertEquals( 1, num );
        int numberOfMice = reader.docFreq( new Term( "name", "mouse" ) );
        assertEquals( 1, numberOfMice );
      }
      finally {
        reader.close();
      }
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