Text colq = key.getColumnQualifier();
int firstZeroIndex = colq.find("\0");
if (firstZeroIndex < 0) {
throw new IllegalArgumentException("bad docid: " + key.toString());
}
int secondZeroIndex = colq.find("\0", firstZeroIndex + 1);
if (secondZeroIndex < 0) {
throw new IllegalArgumentException("bad docid: " + key.toString());
}
int thirdZeroIndex = colq.find("\0", secondZeroIndex + 1);
if (thirdZeroIndex < 0) {