//Look for a match between some start be-tiep to a corresponding finish tiep projector
public bool checkStFinMatch(List <BETiep> sts, TiepProjector fin)
{
foreach (BETiep st in sts)
{
if (checkStFinMatch(st, fin))
{
return(true);
}
}
return(false);
}
//Look for a match between a start be-tiep to a corresponding finish tiep projector
public bool checkStFinMatch(BETiep st, TiepProjector fin)
{
List <string> ents = new List <string>();
foreach (KeyValuePair <int, int> sp_entry in fin.co_starts)
{
if (st.indexes.ContainsKey(sp_entry.Key) && checkStFinMatch(st.indexes[sp_entry.Key], sp_entry.Value))
{
ents.Add(trans_db[sp_entry.Key].Item1.entity);
}
}
bool closed = sup == ents.Count;
return(closed);
}
//Project the DB after the first time
public SequenceDB projectDB(string alpha, TiepProjector tiep_instances)
{
CoincidenceSequence proj;
//New db records
List <Tuple <CoincidenceSequence, PatternInstance> > projDB =
new List <Tuple <CoincidenceSequence, PatternInstance> >();
List <int> proj_indexes = new List <int>();
//New Pattern Instance
PatternInstance newpi = null;
//Corresponding Master Slice
string temp_alpha = alpha;
bool is_meet = false, is_co = false;
if (temp_alpha[0] == Constants.MEET_REP)
{
is_meet = true;
temp_alpha = temp_alpha.Substring(1);
}
else if (temp_alpha[0] == Constants.CO_REP)
{
is_co = true;
temp_alpha = temp_alpha.Substring(1);
}
MasterTiep ms = TiepsHandler.master_tieps[temp_alpha];
//For each co sequence in db
bool st = temp_alpha[temp_alpha.Length - 1] == Constants.ST_REP;
Tiep occ;
List <string> sup_ents = new List <string>();
foreach (KeyValuePair <int, int> sp_entry in tiep_instances.co_starts)
{
Tuple <CoincidenceSequence, PatternInstance> entry = trans_db[sp_entry.Key];
string ent_id = entry.Item1.entity;
List <Tiep> ms_entity = ms.tiep_occurrences[ent_id];
int last_time = entry.Item2.last;
for (int i = sp_entry.Value; i < ms_entity.Count; i++)
{
if (ms_entity[i].time > entry.Item2.ptime)
{
continue;
}
if (st && !maxGapHolds(last_time, ms_entity[i]))
{
break;
}
occ = ms_entity[i];
proj = projectBy(occ, alpha, entry.Item1, occ.c, entry.Item2, is_meet);
if (proj != null)
{
if (!sup_ents.Contains(ent_id))
{
sup_ents.Add(ent_id);
}
newpi = new PatternInstance();
newpi.copyPatternToExtend(entry.Item2);
newpi.extendPatternInstance(occ, proj.coes);
int updated = getUpdatedEndTime(last_time, occ);
newpi.last = updated;
projDB.Add(new Tuple <CoincidenceSequence, PatternInstance>(proj, newpi));
proj_indexes.Add(sp_entry.Key);
}
if (is_co || is_meet || !st)
{
break;
}
}
}
List <string> prem = new List <string>(pre_matched);
if (temp_alpha[temp_alpha.Length - 1] == Constants.ST_REP)
{
prem.Add(temp_alpha.Replace(Constants.ST_REP, Constants.FIN_REP));
}
else
{
prem.Remove(temp_alpha);
}
return(new SequenceDB(projDB, proj_indexes, sup_ents.Count, prem));
}
