Examples of org.apache.lucene.document.StoredField

org.apache.lucene.document.StoredField
A field whose value is stored so that {@link IndexSearcher#doc} and {@link IndexReader#document} willreturn the field and its value.

    iw.addDocument(doc);


    try {
      // set to null value
      BytesRef v = null;
      Field theField = new StoredField("foo", v);
      doc.add(theField);
      iw.addDocument(doc);
      fail("didn't get expected exception");
    } catch (IllegalArgumentException expected) {}
    iw.close();

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    Directory dir = newDirectory();
    Analyzer analyzer = new MockAnalyzer(random());
    IndexWriter iw = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
    // add good document
    Document doc = new Document();
    Field theField = new StoredField("foo", new BytesRef("hello"));
    doc.add(theField);
    iw.addDocument(doc);
    try {
      // set to null value
      BytesRef v = null;
      theField.setBytesValue(v);
      iw.addDocument(doc);
      fail("didn't get expected exception");
    } catch (IllegalArgumentException expected) {}
    iw.close();
    // make sure we see our good doc

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      {
        IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
            TEST_VERSION_CURRENT, new MockAnalyzer(random())).setMergePolicy(NoMergePolicy.INSTANCE));
        Document d = new Document();
        d.add(new TextField("f1", "d2 first field", Field.Store.YES));
        d.add(new StoredField("f3", new byte[] { 1, 2, 3 }));
        writer.addDocument(d);
        writer.close();
        SegmentInfos sis = new SegmentInfos();
        sis.read(dir);
        assertEquals(2, sis.size());
        FieldInfos fis1 = SegmentReader.readFieldInfos(sis.info(0));
        FieldInfos fis2 = SegmentReader.readFieldInfos(sis.info(1));
        assertEquals("f1", fis1.fieldInfo(0).name);
        assertEquals("f2", fis1.fieldInfo(1).name);
        assertEquals("f1", fis2.fieldInfo(0).name);
        assertNull(fis2.fieldInfo(1));
        assertEquals("f3", fis2.fieldInfo(2).name);
      }


      {
        IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
            TEST_VERSION_CURRENT, new MockAnalyzer(random())).setMergePolicy(NoMergePolicy.INSTANCE));
        Document d = new Document();
        d.add(new TextField("f1", "d3 first field", Field.Store.YES));
        d.add(new TextField("f2", "d3 second field", Field.Store.YES));
        d.add(new StoredField("f3", new byte[] { 1, 2, 3, 4, 5 }));
        writer.addDocument(d);
        writer.close();
        SegmentInfos sis = new SegmentInfos();
        sis.read(dir);
        assertEquals(3, sis.size());

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            TEST_VERSION_CURRENT, new MockAnalyzer(random())).setMergePolicy(
            random().nextBoolean() ? NoMergePolicy.NO_COMPOUND_FILES
                : NoMergePolicy.COMPOUND_FILES));
        Document d = new Document();
        d.add(new TextField("f1", "d2 first field", Field.Store.YES));
        d.add(new StoredField("f3", new byte[] { 1, 2, 3 }));
        writer.addDocument(d);
        writer.close();
        SegmentInfos sis = new SegmentInfos();
        sis.read(dir);
        assertEquals(2, sis.size());
        FieldInfos fis1 = _TestUtil.getFieldInfos(sis.info(0).info);
        FieldInfos fis2 = _TestUtil.getFieldInfos(sis.info(1).info);
        assertEquals("f1", fis1.fieldInfo(0).name);
        assertEquals("f2", fis1.fieldInfo(1).name);
        assertEquals("f1", fis2.fieldInfo(0).name);
        assertNull(fis2.fieldInfo(1));
        assertEquals("f3", fis2.fieldInfo(2).name);
      }


      {
        IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
            TEST_VERSION_CURRENT, new MockAnalyzer(random())).setMergePolicy(
            random().nextBoolean() ? NoMergePolicy.NO_COMPOUND_FILES
                : NoMergePolicy.COMPOUND_FILES));
        Document d = new Document();
        d.add(new TextField("f1", "d3 first field", Field.Store.YES));
        d.add(new TextField("f2", "d3 second field", Field.Store.YES));
        d.add(new StoredField("f3", new byte[] { 1, 2, 3, 4, 5 }));
        writer.addDocument(d);
        writer.close();
        SegmentInfos sis = new SegmentInfos();
        sis.read(dir);
        assertEquals(3, sis.size());

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    byte[] b = new byte[50];
    for(int i=0;i<50;i++)
      b[i] = (byte) (i+77);


    Document doc = new Document();
    Field f = new StoredField("binary", b, 10, 17);
    byte[] bx = f.binaryValue().bytes;
    assertTrue(bx != null);
    assertEquals(50, bx.length);
    assertEquals(10, f.binaryValue().offset);
    assertEquals(17, f.binaryValue().length);
    doc.add(f);
    w.addDocument(doc);
    w.close();


    IndexReader ir = DirectoryReader.open(dir);

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        // float/double
        if (random().nextBoolean()) {
          final float f = random().nextFloat();
          answer = Float.valueOf(f);
          nf = new FloatField("nf", f, Field.Store.NO);
          sf = new StoredField("nf", f);
          typeAnswer = NumericType.FLOAT;
        } else {
          final double d = random().nextDouble();
          answer = Double.valueOf(d);
          nf = new DoubleField("nf", d, Field.Store.NO);
          sf = new StoredField("nf", d);
          typeAnswer = NumericType.DOUBLE;
        }
      } else {
        // int/long
        if (random().nextBoolean()) {
          final int i = random().nextInt();
          answer = Integer.valueOf(i);
          nf = new IntField("nf", i, Field.Store.NO);
          sf = new StoredField("nf", i);
          typeAnswer = NumericType.INT;
        } else {
          final long l = random().nextLong();
          answer = Long.valueOf(l);
          nf = new LongField("nf", l, Field.Store.NO);
          sf = new StoredField("nf", l);
          typeAnswer = NumericType.LONG;
        }
      }
      doc.add(nf);
      doc.add(sf);

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    Directory dir = newDirectory();
    IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir, conf);
    Document doc = new Document();
    Field idField = new StringField("id", "", Field.Store.NO);
    Field storedField = new StoredField("stored", new byte[0]);
    Field dvField = new BinaryDocValuesField("dv", new BytesRef());
    doc.add(idField);
    doc.add(storedField);
    doc.add(dvField);
    
    // index some docs
    int numDocs = atLeast(300);
    for (int i = 0; i < numDocs; i++) {
      idField.setStringValue(Integer.toString(i));
      final int length;
      if (minLength == maxLength) {
        length = minLength; // fixed length
      } else {
        length = _TestUtil.nextInt(random(), minLength, maxLength);
      }
      byte buffer[] = new byte[length];
      random().nextBytes(buffer);
      storedField.setBytesValue(buffer);
      dvField.setBytesValue(buffer);
      writer.addDocument(doc);
      if (random().nextInt(31) == 0) {
        writer.commit();
      }

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    Directory dir = newDirectory();
    IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir, conf);
    Document doc = new Document();
    Field idField = new StringField("id", "", Field.Store.NO);
    Field storedField = new StoredField("stored", new byte[0]);
    Field dvField = new SortedDocValuesField("dv", new BytesRef());
    doc.add(idField);
    doc.add(storedField);
    doc.add(dvField);
    
    // index some docs
    int numDocs = atLeast(300);
    for (int i = 0; i < numDocs; i++) {
      idField.setStringValue(Integer.toString(i));
      final int length;
      if (minLength == maxLength) {
        length = minLength; // fixed length
      } else {
        length = _TestUtil.nextInt(random(), minLength, maxLength);
      }
      byte buffer[] = new byte[length];
      random().nextBytes(buffer);
      storedField.setBytesValue(buffer);
      dvField.setBytesValue(buffer);
      writer.addDocument(doc);
      if (random().nextInt(31) == 0) {
        writer.commit();
      }

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        values.add(_TestUtil.randomSimpleString(random(), length));
      }
      
      // add ordered to the stored field
      for (String v : values) {
        doc.add(new StoredField("stored", v));
      }


      // add in any order to the dv field
      ArrayList<String> unordered = new ArrayList<String>(values);
      Collections.shuffle(unordered, random());

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    Directory dir = newDirectory();
    IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir, conf);
    Document doc = new Document();
    Field idField = new StringField("id", "", Field.Store.NO);
    Field storedBinField = new StoredField("storedBin", new byte[0]);
    Field dvBinField = new BinaryDocValuesField("dvBin", new BytesRef());
    Field dvSortedField = new SortedDocValuesField("dvSorted", new BytesRef());
    Field storedNumericField = new StoredField("storedNum", "");
    Field dvNumericField = new NumericDocValuesField("dvNum", 0);
    doc.add(idField);
    doc.add(storedBinField);
    doc.add(dvBinField);
    doc.add(dvSortedField);
    doc.add(storedNumericField);
    doc.add(dvNumericField);
    
    // index some docs
    int numDocs = atLeast(300);
    for (int i = 0; i < numDocs; i++) {
      idField.setStringValue(Integer.toString(i));
      int length = _TestUtil.nextInt(random(), 0, 8);
      byte buffer[] = new byte[length];
      random().nextBytes(buffer);
      storedBinField.setBytesValue(buffer);
      dvBinField.setBytesValue(buffer);
      dvSortedField.setBytesValue(buffer);
      long numericValue = random().nextLong();
      storedNumericField.setStringValue(Long.toString(numericValue));
      dvNumericField.setLongValue(numericValue);
      writer.addDocument(doc);
      if (random().nextInt(31) == 0) {
        writer.commit();
      }

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