protected void deleteOld(File file, long minTime, int depth, boolean delete) {
if (file.isDirectory()) {
for (File f : file.listFiles()) {
deleteOld(f, minTime, depth + 1, delete);
}
if (depth > 0 && file.list().length == 0) {
// empty directory
file.delete();
}
} else if (file.isFile() && file.canWrite()) {
long lastModified = file.lastModified();
long length = file.length();
if (lastModified == 0) {
log.error("Cannot read last modified for file: " + file);
} else if (lastModified < minTime) {
status.sizeBinariesGC += length;
status.numBinariesGC++;
if (delete && !file.delete()) {
log.warn("Cannot gc file: " + file);
}
} else {
status.sizeBinaries += length;
status.numBinaries++;
}
}
}
@Override
public void stop(boolean delete) {
if (startTime == 0) {
throw new RuntimeException("Not started");
}
deleteOld(binaryManager.getStorageDir(), startTime - TIME_RESOLUTION, 0, delete);
status.gcDuration = System.currentTimeMillis() - startTime;
startTime = 0;
}
