private static String generateRequest(
final int n, final Collection<WordCollector> terms_list, final Random random) {
String result = "";
final Set<String> stack = Collections.newSet();
for (; stack.size() < n; ) {
double d1 = random.nextDouble();
d1 = FloatMath.power(d1, 1.0);
int index = (int) (terms_list.size() * d1);
index = (int) IntegerMath.limit(0, index, terms_list.size());
final String term = terms_list.getElementAt(index).getWord();
stack.addAll(JUtils.split(term, " "));
}
// stack.print("");
for (int k = 0; k < stack.size(); k++) {
result = result + " " + stack.getElementAt(k);
}
return result;
}
private static double abs(double f) {
return FloatMath.abs(f);
}