private int addOperation(FileOperation op) throws IOException {
trace("op " + op);
checkError();
notAppliedList.add(op);
long now = op.getTime();
for (int i = 0; i < notAppliedList.size() - 1; i++) {
FileOperation old = notAppliedList.get(i);
boolean applyOld = false;
// String reason = "";
if (old.getTime() + 45000 < now) {
// reason = "old";
applyOld = true;
} else if (old.overlaps(op)) {
// reason = "overlap";
applyOld = true;
} else if (file.getRandom().nextInt(100) < 10) {
// reason = "random";
applyOld = true;
}
if (applyOld) {
trace("op apply " + op);
old.apply(base);
notAppliedList.remove(i);
i--;
}
}
return op.apply(readBase);
}
@Override
public String toString() {
return file.getScheme() + ":" + file.toString();
}
private void checkError() throws IOException {
if (closed) {
throw new IOException("Closed");
}
file.checkError();
}