/**
* Scans old directories known by the idToDateString map for the specified jobId. If the number of
* directories is higher than the supported size of the idToDateString cache, the jobId will not
* be found.
*
* @param jobId the jobId.
* @return
* @throws IOException
*/
private HistoryFileInfo scanOldDirsForJob(JobId jobId) throws IOException {
String boxedSerialNumber =
JobHistoryUtils.serialNumberDirectoryComponent(jobId, serialNumberFormat);
Set<String> dateStringSet = serialNumberIndex.get(boxedSerialNumber);
if (dateStringSet == null) {
return null;
}
for (String timestampPart : dateStringSet) {
Path logDir = canonicalHistoryLogPath(jobId, timestampPart);
List<FileStatus> fileStatusList = scanDirectoryForHistoryFiles(logDir, doneDirFc);
HistoryFileInfo fileInfo = getJobFileInfo(fileStatusList, jobId);
if (fileInfo != null) {
return fileInfo;
}
}
return null;
}
