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

Class org.apache.lucene.store.IndexInput

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

org.apache.lucene.store.IndexInput.seek()
Sets current position in this file, where the next read will occur. @see #getFilePointer()

    }
    long length = endingPosition - startingPosition;
    final long totalLength = length;
    IndexInput input = new ThrottledIndexInput(dir.openInput(fileName, IOContext.READ), _maxBytesPerSec);
    try {
      input.seek(startingPosition);
      byte[] buf = new byte[8192];
      long start = System.nanoTime();
      long bytesReadPerPass = 0;
      while (length > 0) {
        long now = System.nanoTime();

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  }


  private void testEof(String name, Directory directory, long length) throws IOException {
    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    try {
      input.seek(length);
      input.readByte();
      fail("should throw eof");
    } catch (IOException e) {
    }
  }

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      int offset = random.nextInt(fsBuf.length);
      int length = random.nextInt(fsBuf.length - offset);
      int pos = random.nextInt(fileLength - length);
      fsInput.seek(pos);
      fsInput.readBytes(fsBuf, offset, length);
      hdfsInput.seek(pos);
      hdfsInput.readBytes(hdfsBuf, offset, length);
      for (int f = offset; f < length; f++) {
        if (fsBuf[f] != hdfsBuf[f]) {
          fail();
        }

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      else {
        if (fieldsData == null) {
          IndexInput localFieldsStream = getFieldStream();
      String value;
          try {
            localFieldsStream.seek(pointer);
            if (isCompressed) {
              final byte[] b = new byte[toRead];
              localFieldsStream.readBytes(b, 0, b.length);
              value = new String(uncompress(b), "UTF-8");
            } else {

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          IndexInput localFieldsStream = getFieldStream();


          // Throw this IOException since IndexReader.document does so anyway, so probably not that big of a change for people
          // since they are already handling this exception when getting the document
          try {
            localFieldsStream.seek(pointer);
            localFieldsStream.readBytes(b, 0, toRead);
            if (isCompressed == true) {
              value = uncompress(b);
            } else {
              value = b;

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        // ERROR: this call should fail, but succeeds because the buffer
        // is still filled
        in.readByte();


        // ERROR: this call should fail, but succeeds for some reason as well
        in.seek(1099);


        try {
            // OK: this call correctly fails. We are now past the 1024 internal
            // buffer, so an actual IO is attempted, which fails
            in.readByte();

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        // The following should really fail since we couldn't expect to
        // access a file once close has been called on it (regardless of
        // buffering and/or clone magic)
        expected.seek(0);
        two.seek(0);
        assertSameStreams("basic clone two/2", expected, two);




        // Now close the compound reader
        cr.close();

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        assertFalse("Now closed one", isCSIndexInputOpen(one));
        assertFalse("Now closed two", isCSIndexInputOpen(two));


        // The following may also fail since the compound stream is closed
        expected.seek(0);
        two.seek(0);
        //assertSameStreams("basic clone two/3", expected, two);




        // Now close the second clone
        two.close();

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        // Now close the second clone
        two.close();
        expected.seek(0);
        two.seek(0);
        //assertSameStreams("basic clone two/4", expected, two);


        expected.close();
    }

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        byte ba1 = a1.readByte();
        assertEquals(be1, ba1);


        // Now seek the second pair
        e2.seek(1027);
        a2.seek(1027);
        assertEquals(1027, e2.getFilePointer());
        assertEquals(1027, a2.getFilePointer());
        byte be2 = e2.readByte();
        byte ba2 = a2.readByte();
        assertEquals(be2, ba2);

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