Package org.apache.lucene.store

Examples of org.apache.lucene.store.IndexInput.readVInt()

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    byte [] theBytes = new byte[bytes.length + 1 + utf8Bytes.length];
    System.arraycopy(bytes, 0, theBytes, 0, bytes.length);
    theBytes[bytes.length] = (byte)utf8Str.length();//Add in the number of chars we are storing, which should fit in a byte for this test
    System.arraycopy(utf8Bytes, 0, theBytes, bytes.length + 1, utf8Bytes.length);
    IndexInput is = new MockIndexInput(theBytes);
    assertEquals(128, is.readVInt());
    assertEquals(16383, is.readVInt());
    assertEquals(16384, is.readVInt());
    assertEquals(16385, is.readVInt());
    int charsToRead = is.readVInt();//number of chars in the Lucene string
    assertTrue(0x06 + " does not equal: " + charsToRead, 0x06 == charsToRead);
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    System.arraycopy(bytes, 0, theBytes, 0, bytes.length);
    theBytes[bytes.length] = (byte)utf8Str.length();//Add in the number of chars we are storing, which should fit in a byte for this test
    System.arraycopy(utf8Bytes, 0, theBytes, bytes.length + 1, utf8Bytes.length);
    IndexInput is = new MockIndexInput(theBytes);
    assertEquals(128, is.readVInt());
    assertEquals(16383, is.readVInt());
    assertEquals(16384, is.readVInt());
    assertEquals(16385, is.readVInt());
    int charsToRead = is.readVInt();//number of chars in the Lucene string
    assertTrue(0x06 + " does not equal: " + charsToRead, 0x06 == charsToRead);
    is.skipChars(3);
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    theBytes[bytes.length] = (byte)utf8Str.length();//Add in the number of chars we are storing, which should fit in a byte for this test
    System.arraycopy(utf8Bytes, 0, theBytes, bytes.length + 1, utf8Bytes.length);
    IndexInput is = new MockIndexInput(theBytes);
    assertEquals(128, is.readVInt());
    assertEquals(16383, is.readVInt());
    assertEquals(16384, is.readVInt());
    assertEquals(16385, is.readVInt());
    int charsToRead = is.readVInt();//number of chars in the Lucene string
    assertTrue(0x06 + " does not equal: " + charsToRead, 0x06 == charsToRead);
    is.skipChars(3);
    char [] chars = new char[3];//there should be 6 chars remaining
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    System.arraycopy(utf8Bytes, 0, theBytes, bytes.length + 1, utf8Bytes.length);
    IndexInput is = new MockIndexInput(theBytes);
    assertEquals(128, is.readVInt());
    assertEquals(16383, is.readVInt());
    assertEquals(16384, is.readVInt());
    assertEquals(16385, is.readVInt());
    int charsToRead = is.readVInt();//number of chars in the Lucene string
    assertTrue(0x06 + " does not equal: " + charsToRead, 0x06 == charsToRead);
    is.skipChars(3);
    char [] chars = new char[3];//there should be 6 chars remaining
    is.readChars(chars, 0, 3);
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    IndexInput is = new MockIndexInput(theBytes);
    assertEquals(128, is.readVInt());
    assertEquals(16383, is.readVInt());
    assertEquals(16384, is.readVInt());
    assertEquals(16385, is.readVInt());
    int charsToRead = is.readVInt();//number of chars in the Lucene string
    assertTrue(0x06 + " does not equal: " + charsToRead, 0x06 == charsToRead);
    is.skipChars(3);
    char [] chars = new char[3];//there should be 6 chars remaining
    is.readChars(chars, 0, 3);
    String tmpStr = new String(chars);
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    char [] chars = new char[3];//there should be 6 chars remaining
    is.readChars(chars, 0, 3);
    String tmpStr = new String(chars);
    assertTrue(tmpStr + " is not equal to " + "ene", tmpStr.equals("ene" ) == true);
    //Now read the UTF8 stuff
    charsToRead = is.readVInt() - 1;//since we are skipping one
    is.skipChars(1);
    assertTrue(utf8Str.length() - 1 + " does not equal: " + charsToRead, utf8Str.length() - 1 == charsToRead);
    chars = new char[charsToRead];
    is.readChars(chars, 0, charsToRead);
    tmpStr = new String(chars);
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    boolean success = false;
    try {
      CodecUtil.checkHeader(in, Facet42DocValuesFormat.CODEC,
                            Facet42DocValuesFormat.VERSION_START,
                            Facet42DocValuesFormat.VERSION_START);
      int fieldNumber = in.readVInt();
      while (fieldNumber != -1) {
        fields.put(fieldNumber, new Facet42BinaryDocValues(in));
        fieldNumber = in.readVInt();
      }
      success = true;
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                            Facet42DocValuesFormat.VERSION_START,
                            Facet42DocValuesFormat.VERSION_START);
      int fieldNumber = in.readVInt();
      while (fieldNumber != -1) {
        fields.put(fieldNumber, new Facet42BinaryDocValues(in));
        fieldNumber = in.readVInt();
      }
      success = true;
    } finally {
      if (success) {
        IOUtils.close(in);
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        {// test header
          IndexInput in = d.openInput("out.bin", newIOContext(random()));
          // header = codec header | bitsPerValue | valueCount | format
          CodecUtil.checkHeader(in, PackedInts.CODEC_NAME, PackedInts.VERSION_START, PackedInts.VERSION_CURRENT); // codec header
          assertEquals(w.bitsPerValue, in.readVInt());
          assertEquals(valueCount, in.readVInt());
          assertEquals(w.getFormat().getId(), in.readVInt());
          assertEquals(startFp, in.getFilePointer());
          in.close();
        }
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        {// test header
          IndexInput in = d.openInput("out.bin", newIOContext(random()));
          // header = codec header | bitsPerValue | valueCount | format
          CodecUtil.checkHeader(in, PackedInts.CODEC_NAME, PackedInts.VERSION_START, PackedInts.VERSION_CURRENT); // codec header
          assertEquals(w.bitsPerValue, in.readVInt());
          assertEquals(valueCount, in.readVInt());
          assertEquals(w.getFormat().getId(), in.readVInt());
          assertEquals(startFp, in.getFilePointer());
          in.close();
        }
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