/**
* Get block locations from the underlying fs and fix their offsets and lengths.
*
* @param file the input file status to get block locations
* @param start the start of the desired range in the contained file
* @param len the length of the desired range
* @return block locations for this segment of file
* @throws IOException
*/
@Override
public BlockLocation[] getFileBlockLocations(FileStatus file, long start, long len)
throws IOException {
HarStatus hstatus = getFileHarStatus(file.getPath());
Path partPath = new Path(archivePath, hstatus.getPartName());
FileStatus partStatus = metadata.getPartFileStatus(partPath);
// get all part blocks that overlap with the desired file blocks
BlockLocation[] locations =
fs.getFileBlockLocations(partStatus, hstatus.getStartIndex() + start, len);
return fixBlockLocations(locations, start, len, hstatus.getStartIndex());
}
