/** Helper method called for given "date directory", to do recursively clean up. */
protected void _cleanDateDir(DirByDate dateDir, FileCleanupStats stats) {
int remaining = 0, deleted = 0;
for (DirByTime timeDir : dateDir.listTimeDirs(stats)) {
if (shouldStop()) {
_reportProblem("Terminating file cleanup pre-maturely, due to stop request");
return;
}
// ok; we know rough time by now...
long msecsAgo = _timeMaster.currentTimeMillis() - timeDir.getRawCreateTime();
// ancient?
if (msecsAgo > _maxTimeToLiveMsecs) {
int failedFiles = timeDir.nuke(stats, _shutdown);
if (failedFiles == 0) {
++deleted;
continue;
}
_reportProblem(
"Failed to nuke directory "
+ timeDir.toString()
+ "; "
+ failedFiles
+ " files remain, must skip");
} else {
// otherwise just weed out empty dirs
if (timeDir.removeEmpty(stats, _shutdown)) {
++deleted;
continue;
}
}
stats.addRemainingDir();
++remaining;
}
// how about date dir itself... empty by now?
if (remaining == 0 && !_shutdown.get()) {
File dir = dateDir.getDirectory();
if (dir.delete()) {
if (deleted == 0) { // was already empty
stats.addDeletedEmptyDir();
} else {
stats.addDeletedDir();
}
return;
}
_reportProblem("Failed to nuke directory " + dir + " for some reason, must skip");
}
stats.addRemainingDir();
}
protected void _reportEndSuccess(FileCleanupStats stats, File skippedDir) {
if (LOG != null) {
LOG.info(
"Completed file clean up (skipped the last date-dir, '{}'): {}",
skippedDir.getAbsolutePath(),
stats);
}
}