public void testThreadSafe() throws Exception {
int iters = 20 * RANDOM_MULTIPLIER;
for (int i = 0; i < iters; i++) {
Locale locale = Locale.GERMAN;
Collator collator = Collator.getInstance(locale);
collator.setStrength(Collator.IDENTICAL);
assertThreadSafe(new ICUCollationKeyAnalyzer(TEST_VERSION_CURRENT, collator));
}
}
public static TermsFacetComparator getInstance(
String type, boolean reverse, ULocale locale, String rules, int decomp, int strength) {
if (locale == null) {
locale = ULocale.getDefault();
}
if ("count".equals(type) || "reverse_count".equals(type) || "reverseCount".equals(type)) {
if (type.startsWith("reverse")) {
reverse = true; // compatibility mode
}
return new TermsFacetCountComparator("count", reverse);
} else if ("term".equals(type) || "reverse_term".equals(type) || "reverseTerm".equals(type)) {
if (type.startsWith("reverse")) {
reverse = true; // compatibility mode
}
TermsFacetCollationComparator comparator = new TermsFacetCollationComparator("term", reverse);
comparator.setLocale(locale);
Collator collator = Collator.getInstance(locale);
if (rules == null) {
if (strength != -1) {
collator.setStrength(strength);
}
if (decomp != -1) {
collator.setDecomposition(decomp);
}
comparator.setCollator(collator);
} else {
try {
comparator.setRules(rules);
RuleBasedCollator rc = (RuleBasedCollator) collator;
comparator.setCollator(new RuleBasedCollator(rc.getRules() + rules));
} catch (Exception e) {
comparator.setCollator(Collator.getInstance(locale));
}
}
return comparator;
}
throw new ElasticSearchIllegalArgumentException(
"No type argument match for terms facet comparator [" + type + "]");
}