// Generate Transactions
//
void gen_rules(TransPar &par)
{
StringSet *lits;
StringSetIter *patterns;
Transaction *trans;
poisson_distribution<LINT> tlen(par.tlen - 1);
ofstream data_fp;
ofstream pat_fp;
data_fp.open(data_file, ios::trunc);
pat_fp.open(pat_file, ios::trunc);
lits = new StringSet(par.nitems, par.lits);
// Reset random seed generator before generating transactions
if (par.seed < 0) generator.seed(par.seed);
par.write(pat_fp);
lits->display(pat_fp);
patterns = new StringSetIter(*lits);
for (LINT i = 0; i < par.ntrans; i ++)
{
trans = mk_tran(*patterns, tlen(generator) + 1);
if (par.ascii)
trans->write_asc(data_fp);
else
trans->write(data_fp);
delete trans;
}
data_fp.close();
pat_fp.close();
}
// Generate Transactions
//
void gen_rules(TransPar &par)
{
StringSet *lits;
StringSetIter *patterns;
Transaction *trans;
PoissonDist *tlen;
ofstream data_fp;
ofstream pat_fp;
ofstream conf_fp; //added by MJZaki
data_fp.open(data_file);
pat_fp.open(pat_file);
conf_fp.open(conf_file); //added by MJZaki
if (data_fp.fail() || pat_fp.fail() || conf_fp.fail())
{
cerr << "Error opening output file" << endl;
exit(1);
}
lits = new StringSet(par.nitems, par.lits);
// Reset random seed generator for before generating transactions
if (par.seed < 0)
RandSeed::set_seed(par.seed);
tlen = new PoissonDist(par.tlen - 1);
par.write(pat_fp);
lits->display(pat_fp);
patterns = new StringSetIter(*lits);
LINT NTRANS = 0;
//Transaction::set_print_cid(FALSE); // added by me to suppress cid
for (LINT i = 0; i < par.ntrans; i++)
{
trans = mk_tran(*patterns, (*tlen)() + 1, par.lits.npats);
if (trans->tid < par.mintid)
par.mintid = trans->tid;
if (trans->tid > par.maxtid)
par.maxtid = trans->tid;
if (par.ascii)
trans->write_asc(data_fp);
else
trans->write(data_fp);
//cout << "TRANS SZ " << trans->size() << endl;
if (trans->size() > 0)
NTRANS++; //added by MJZaki: repeat if trans empty
else
i--;
delete trans;
}
data_fp.close();
pat_fp.close();
//added by MJZaki
if (par.ascii)
{
conf_fp << NTRANS << "\n";
conf_fp << par.nitems << "\n";
conf_fp << par.tlen << "\n";
conf_fp << par.mintid << "\n";
conf_fp << par.maxtid << "\n";
}
else
{
cout << "WRITING " << NTRANS << " " << par.nitems << endl;
conf_fp.write((char *) &NTRANS, sizeof(LINT));
conf_fp.write((char *) &par.nitems, sizeof(LINT));
conf_fp.write((char *) &par.tlen, sizeof(FLOAT));
conf_fp.write((char *) &par.mintid, sizeof(LINT));
conf_fp.write((char *) &par.maxtid, sizeof(LINT));
}
conf_fp.close();
}
