//Returns Allen's suitable relation for the two intervals
private static char getRelation(STI ei1, STI ei2)
{
if (ei1.fin_time < ei2.st_time)
{
return(Constants.ALLEN_BEFORE);
}
if (ei1.fin_time == ei2.st_time)
{
return(Constants.ALLEN_MEET);
}
if (ei1.st_time == ei2.st_time && ei1.fin_time == ei2.fin_time)
{
return(Constants.ALLEN_EQUAL);
}
if (ei1.st_time < ei2.st_time && ei1.fin_time > ei2.fin_time)
{
return(Constants.ALLEN_CONTAIN);
}
if (ei1.st_time == ei2.st_time && ei1.fin_time < ei2.fin_time)
{
return(Constants.ALLEN_STARTS);
}
if (ei1.st_time < ei2.st_time && ei1.fin_time == ei2.fin_time)
{
return(Constants.ALLEN_FINISHBY);
}
return(Constants.ALLEN_OVERLAP);
}
//Get updated last time for a given pattern
private int getUpdatedEndTime(int last_time, Tiep t)
{
STI ei2 = t.e;
int time = ei2.fin_time;
return(last_time < 0 ? time : Math.Min(last_time, time));
}
public EndTime(STI symbol, int time_point, bool entry_type)
{
symbols = new List <STI>();
symbols.Add(symbol);
time = time_point;
type = entry_type;
}
public static string getTIRP(SequenceDB pp)
{
int support = pp.sup;
int length = pp.trans_db[0].Item2.tieps.Count / 2;
STI[] ints = new STI[length];
int index = 0;
foreach (Tiep t in pp.trans_db[0].Item2.tieps)
{
if (t.type == Constants.ST_REP)
{
ints[index] = t.e;
index++;
}
}
Array.Sort(ints);
string res = "";
res += length + " ";
for (int i = 0; i < length; i++)
{
res = res + ints[i].sym + "-";
}
res += " ";
if (length == 1)
{
res += "-.";
}
else
{
for (int i = 0; i < length; i++)
{
for (int j = i + 1; j < length; j++)
{
res += getRelation(ints[i], ints[j]) + ".";
}
}
}
res += " ";
res += support + " ";
res += (length == 1 ? support : Math.Round((double)pp.trans_db.Count / support, 2)) + " ";
res += pp.trans_db[0].Item1.entity + " " + printIntervals(ints) + " ";
for (int i = 1; i < pp.trans_db.Count; i++)
{
index = 0;
foreach (Tiep t in pp.trans_db[i].Item2.tieps)
{
if (t.type == Constants.ST_REP)
{
ints[index] = t.e;
index++;
}
}
Array.Sort(ints);
res += pp.trans_db[i].Item1.entity + " " + printIntervals(ints) + " ";
}
return(res);
}
//Add a new sti to the end time list
public static void addIntervalToEndTimes(STI ei)
{
EndTime st_et = new EndTime(ei, ei.st_time, Constants.START);
EndTime fin_et = new EndTime(ei, ei.fin_time, Constants.FINISH);
addPointToEndTimes(st_et);
addPointToEndTimes(fin_et);
}
//Add an instace of the tiep in some record
public void addOcc(int rec, STI sti)
{
if (!indexes.ContainsKey(rec))
{
indexes.Add(rec, new List <STI>());
}
indexes[rec].Add(sti);
}
public Tiep(char t, int ti, STI ei, Coincidence coi)
{
c = coi;
e = ei;
time = ti;
sym = ei.sym;
type = t;
premitive_rep = sym + "" + t;
orig = null;
}
public Tiep(Tiep s)
{
c = s.c;
e = s.e;
time = s.time;
sym = s.sym;
type = s.type;
premitive_rep = s.premitive_rep;
ms_index = s.ms_index;
orig = s;
}
//Compare two stis
public int CompareTo(object otherTimeInterval)
{
STI other = otherTimeInterval as STI;
int st_dif = st_time - other.st_time;
if (st_dif != 0)
{
return(st_dif);
}
int fin_dif = fin_time - other.fin_time;
if (fin_dif != 0)
{
return(fin_dif);
}
return(sym - other.sym);
}
//Input transformation
public static SequenceDB createSequencesKLF(string filePath)
{
TextReader tr = new StreamReader(filePath);
string readLine = tr.ReadLine();
//Move on until the significant start
while (readLine != null && !readLine.StartsWith(Constants.FILE_START))
{
readLine = tr.ReadLine();
}
if (!(readLine == Constants.FILE_START &&
tr.ReadLine().StartsWith(Constants.FILE_NUM)))
{
throw new InvalidOperationException(Constants.FILE_FORMAT_ERR);
}
//Start reading the entities
List <Tuple <CoincidenceSequence, PatternInstance> > trans_db =
new List <Tuple <CoincidenceSequence, PatternInstance> >();
while (tr.Peek() >= 0)
{
sequenceTransformer.emptyEndTimes();
readLine = tr.ReadLine();
string[] mainDelimited = readLine.Split(';');
string entityID = mainDelimited[0].Split(',')[0];
readLine = tr.ReadLine();
mainDelimited = readLine.Split(';');
for (int i = 0; i < mainDelimited.Length - 1; i++)
{
string[] tisDelimited = mainDelimited[i].Split(',');
int symbol = int.Parse(tisDelimited[2]);
STI ei = new STI(symbol, int.Parse(tisDelimited[0]), int.Parse(tisDelimited[1]));
sequenceTransformer.addIntervalToEndTimes(ei);
}
CoincidenceSequence cs = sequenceTransformer.eventSeqToCoincidenceSeq(entityID);
PatternInstance pi = new PatternInstance();
cs.entity = entityID;
trans_db.Add(new Tuple <CoincidenceSequence, PatternInstance>(cs, pi));
}
tr.Close();
return(new SequenceDB(trans_db, null, 0, new List <string>()));
}
//Adds a new symbol to the symbols in the entry
public void addSymToSyms(STI new_symbol)
{
//symbols.Add(new_symbol);
int min = 0;
int max = symbols.Count - 1;
int mid = 0, cmp = 0;
while (min <= max)
{
mid = (min + max) / 2;
cmp = new_symbol.sym - symbols[mid].sym;
if (cmp < 0)
{
max = mid - 1;
}
else
{
min = mid + 1;
}
}
symbols.Insert(min, new_symbol);
}
//Returns true if the max gap constraint holds
public static bool maxGapHolds(int time, Tiep t)
{
STI ei2 = t.e;
return(Constants.MAX_GAP > ei2.st_time - time);
}
//Adds the event interval to the list
public void addInterval(STI ei)
{
intervals.Add(ei);
}