How to use

CommitMarkerCodec$CommitEntriesCount

in

co.cask.tephra.persist

 @Test
 public void testIncorrectCommitMarker() throws Exception {
  Path newLog = new Path(TMP_FOLDER.newFolder().getAbsolutePath(), LOG_FILE);

  // Write an incorrect marker
  try (SequenceFile.Writer writer = SequenceFile.createWriter(fs, conf, newLog, LongWritable.class,
                                LongWritable.class,
                                SequenceFile.CompressionType.NONE)) {
   String invalidKey = "IncorrectKey";
   SequenceFile.ValueBytes valueBytes = new CommitMarkerCodec.CommitEntriesCount(100);
   writer.appendRaw(invalidKey.getBytes(), 0, invalidKey.length(), valueBytes);
   writer.hflush();
   writer.hsync();
  }

  // Read the commit markers back to verify the marker
  try (SequenceFile.Reader reader = new SequenceFile.Reader(fs, newLog, conf);
     CommitMarkerCodec markerCodec = new CommitMarkerCodec()) {
   try {
    markerCodec.readMarker(reader);
    Assert.fail("Expected an IOException to be thrown");
   } catch (IOException e) {
    // expected
   }
  }
 }
}

public static void writeMarker(SequenceFile.Writer writer, int count) throws IOException {
 writer.appendRaw(KEY_BYTES, 0, KEY_BYTES.length, new CommitEntriesCount(count));
}

public static void writeMarker(SequenceFile.Writer writer, int count) throws IOException {
 writer.appendRaw(KEY_BYTES, 0, KEY_BYTES.length, new CommitEntriesCount(count));
}