private int getIndexOf(String uuid, List<Message> messages) {
if (uuid == null) {
return 0;
}
for (int i = 0; i < messages.size(); ++i) {
if (uuid.equals(messages.get(i).getUuid())) {
return i;
} else {
Message next = messages.get(i);
while (next != null && next.wasMergedIntoPrevious()) {
if (uuid.equals(next.getUuid())) {
return i;
}
next = next.next();
}
}
}
return 0;
}
