/**
* @param ev
* @param alphabet
* @param bs
* @param sup
* @param seqDB
* @param posDB
* @param sInd
* @param eInd
*/
protected void verifyContentGeneralAcceptance(
Event ev,
Vector<Element> alphabet,
BitSet bs,
long[] sup,
Vector<Integer>[] seqDB,
Vector<Integer>[] posDB,
int sInd,
int eInd) {
ItemSet set = ev.getSet();
for (int i = 0; i < set.size(); i++) {
Element el = set.elementAt(i);
int found = alphabet.indexOf(el);
if (-1 != found) {
// If current sequence did not contribute to the support of
// this element yet, increment its support
if (!bs.get(found)) {
sup[found]++;
bs.set(found);
}
// In any case, add another object to projecyed db
seqDB[found].addElement(new Integer(sInd));
posDB[found].addElement(new Integer(eInd));
}
}
}
/**
* @param db
* @return a db transformed in a database of events ???
*/
public Database preProcessing(Database db) {
Vector<Element> alphabet = m_tdm.m_contentC.m_taxonomy.getAlphabet(m_tdm.m_contentC.m_level);
Database preprocDB = new Database();
for (int i = 0; i < db.getSize(); i++) {
EventSequence s = db.elementAt(i);
Vector<Event> events = new Vector<Event>(0);
for (int k = 0; k < s.length(); k++) {
Event e = s.elementAtIndex(k);
if (m_tdm.m_temporalC.accepts(e)) {
Vector<Element> v = getParents(e.getSet(), alphabet, m_tdm.m_contentC.m_taxonomy);
if (null != v) events.addElement(new Event(new ItemSet(v), e.getInstant()));
}
}
if (0 != events.size()) preprocDB.addElement(new EventSequence(events));
}
preprocDB.setAlphabet(alphabet);
return preprocDB;
}