public PairOfIntLong getStats(String term) {
int df = -1;
long cf = -1;
PairOfIntLong p = new PairOfIntLong();
if (frequentTermsDfs != null) {
try {
df = frequentTermsDfs.get(term);
LOGGER.info("[cached] df of " + term + ": " + df);
if (frequentTermsCfs != null) {
try {
cf = frequentTermsCfs.get(term);
LOGGER.info("[cached] cf of " + term + ": " + cf);
p.set(df, cf);
return p;
} catch (NoSuchElementException e) {
}
}
} catch (NoSuchElementException e) {
}
}
int index = prefixSet.getId(term);
LOGGER.info("index of " + term + ": " + index);
if (index < 0) return null;
p.set(dfs[index], cfs[index]);
return p;
}
private void loadFrequentCfMap(int n) {
if (frequentTermsCfs != null) return;
frequentTermsCfs = new HMapKL<String>();
if (cfs.length < n) n = cfs.length;
for (int id = 1; id <= n; id++) {
frequentTermsCfs.put(prefixSet.getTerm(idToTerm[id - 1]), cfs[idToTerm[id - 1]]);
}
}
public long getCF(String term) {
// if(cfs == null)
// throw new RuntimeException("CF-Stats must be loaded first!");
if (frequentTermsDfs != null) {
try {
long cf = frequentTermsCfs.get(term);
LOGGER.info("[cached] df of " + term + ": " + cf);
return cf;
} catch (NoSuchElementException e) {
}
}
int index = prefixSet.getId(term);
LOGGER.info("index of " + term + ": " + index);
if (index < 0) return -1;
return cfs[index];
}