private void write(DataOutputStream out) throws IOException, SnapshotException {
Stack<Integer> stack = new Stack<Integer>();
stack.add(-1);
while (!stack.isEmpty()) {
int objectId = stack.pop();
int[] objectIds = snapshot.getImmediateDominatedIds(objectId);
long[] addresses = new long[objectIds.length];
for (int i = 0; i < objectIds.length; i++)
addresses[i] = snapshot.mapIdToAddress(objectIds[i]);
ArrayUtils.sortDesc(addresses, objectIds);
for (int i = 0; i < addresses.length; i++) out.writeLong(addresses[i]);
addresses = null;
for (int i = objectIds.length - 1; i >= 0; i--) stack.add(objectIds[i]);
}
}
