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()

            int skip = random().nextInt(10);
            if (skip >= src.length()) {
              skip = 0;
            }
            in.skip(skip);
            src.seek(skip);
            offset = skip;
          }
          src.readBytes(srcBytes, offset, srcBytes.length - offset);
          in.read(inBytes, offset, inBytes.length - offset);
          assertArrayEquals(srcBytes, inBytes);

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      return;
    }
    long length = endingPosition - startingPosition;
    final long totalLength = length;
    IndexInput input = new ThrottledIndexInput(dir.openInput(fileName, IOContext.READ), _maxBytesPerSec);
    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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      final byte[] buffer;
      final IndexInput input = directory.openInput(fileName, IOContext.READ);
      final long length = input.length();
      try {
         if (seekTo != 0) {
            input.seek(seekTo);
         }
         bufferSize = (int) Math.min(length - seekTo, (long)bufferSize);
         buffer = new byte[bufferSize];
         input.readBytes(buffer, 0, bufferSize);
      }

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                        }
                        // do a list of the files
                        store.directory().listAll();


                        // do a seek and read some byes
                        ii.seek(ii.length() / 2);
                        ii.readByte();
                        ii.readByte();


                        // do a list of the files
                        store.directory().listAll();

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        assertThat(test[7], equalTo((byte) 8));
        indexInput.readBytes(test, 0, 5);
        assertThat(test[0], equalTo((byte) 1));
        assertThat(test[4], equalTo((byte) 5));


        indexInput.seek(28);
        assertThat(indexInput.readByte(), equalTo((byte) 4));
        indexInput.seek(30);
        assertThat(indexInput.readByte(), equalTo((byte) 6));


        indexInput.seek(0);

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        assertThat(test[0], equalTo((byte) 1));
        assertThat(test[4], equalTo((byte) 5));


        indexInput.seek(28);
        assertThat(indexInput.readByte(), equalTo((byte) 4));
        indexInput.seek(30);
        assertThat(indexInput.readByte(), equalTo((byte) 6));


        indexInput.seek(0);
        indexInput.readBytes(test, 0, 5);
        assertThat(test[0], equalTo((byte) 8));

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        indexInput.seek(28);
        assertThat(indexInput.readByte(), equalTo((byte) 4));
        indexInput.seek(30);
        assertThat(indexInput.readByte(), equalTo((byte) 6));


        indexInput.seek(0);
        indexInput.readBytes(test, 0, 5);
        assertThat(test[0], equalTo((byte) 8));


        indexInput.close();

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            final long partNumber = i;


            IndexInput indexInput = null;
            try {
                indexInput = dir.openInput(fileInfo.physicalName());
                indexInput.seek(partNumber * chunkBytes);
                InputStreamIndexInput is = new ThreadSafeInputStreamIndexInput(indexInput, chunkBytes);


                String blobName = fileInfo.name();
                if (fNumberOfChunks > 1) {
                    // if we do chunks, then all of them are in the form of "[xxx].part[N]".

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    testEof(name, directory, hdfsLength);
  }


  private void testEof(String name, Directory directory, long length) throws IOException {
    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    input.seek(length);
    try {
      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(Long.toString(seed) + " read [" + i + "]");
          }

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