/** * @param patterns * @return ???? */ public Vector<EventSequence> postProcessing(Vector<EventSequence> patterns) { Vector<EventSequence> vec = new Vector<EventSequence>(); for (int i = 0; i < patterns.size(); i++) { EventSequence s = patterns.elementAt(i); if (postAccepts(s)) vec.addElement(s); } return vec; }
/** * @param set * @param alphabet * @param tax * @return a vector with elements??? */ protected Vector<Element> getParents(ItemSet set, Vector<Element> alphabet, Taxonomy tax) { Vector<Element> v = new Vector<Element>(0); for (int i = 0; i < set.size(); i++) { Element el = set.elementAt(i); int found = m_tdm.m_contentC.m_taxonomy.getParentOf(el, alphabet); if (-1 != found) { Element p = alphabet.elementAt(found); if (-1 == v.indexOf(p)) v.addElement(p); } } return v; }
/** * @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; }