// Generate Transactions and Taxonomy
//
void gen_taxrules(TaxPar &par)
{
Taxonomy *tax;
StringSet *lits;
StringSetIter *patterns;
Transaction *trans;
poisson_distribution<LINT> tlen(par.tlen - 1);
ofstream data_fp;
ofstream pat_fp;
ofstream tax_fp;
data_fp.open(data_file, ios::trunc);
pat_fp.open(pat_file, ios::trunc);
tax_fp.open(tax_file, ios::trunc);
if (data_fp.fail() || pat_fp.fail() || tax_fp.fail()) {
cerr << "Error opening output file" << endl;
exit(1);
}
// generate taxonomy and write it to file
tax = new Taxonomy(par.nitems, par.nroots, par.fanout, par.depth_ratio);
if (par.ascii)
tax->write_asc(tax_fp);
else
tax->write(tax_fp);
lits = new StringSet(par.nitems, par.lits, tax);
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, tax);
if (par.ascii)
trans->write_asc(data_fp);
else
trans->write(data_fp);
delete trans;
delete trans;
}
data_fp.close();
pat_fp.close();
tax_fp.close();
}
// Generate Transactions and Taxonomy
//
void gen_taxrules(TaxPar &par)
{
Taxonomy *tax;
StringSet *lits;
StringSetIter *patterns;
Transaction *trans;
PoissonDist *tlen;
ofstream data_fp;
ofstream pat_fp;
ofstream tax_fp;
ofstream conf_fp; //added by MJZaki
data_fp.open(data_file);
pat_fp.open(pat_file);
tax_fp.open(tax_file);
conf_fp.open(conf_file); //added by MJZaki
if (data_fp.fail() || pat_fp.fail() || tax_fp.fail() || conf_fp.fail())
{
cerr << "Error opening output file" << endl;
exit(1);
}
// generate taxonomy and write it to file
tax = new Taxonomy(par.nitems, par.nroots, par.fanout, par.depth_ratio);
if (par.ascii)
tax->write_asc(tax_fp);
else
tax->write(tax_fp);
tlen = new PoissonDist(par.tlen - 1);
lits = new StringSet(par.nitems, par.lits, tax);
par.write(pat_fp);
lits->display(pat_fp);
patterns = new StringSetIter(*lits);
LINT NTRANS = 0;
for (LINT i = 0; i < par.ntrans; i++)
{
trans = mk_tran(*patterns, (*tlen)() + 1, par.lits.npats, tax);
if (par.ascii)
trans->write_asc(data_fp);
else
trans->write(data_fp);
if (trans->size() > 0)
NTRANS++;//added by MJZaki: repeat if trans empty
else
i--;
delete trans;
}
data_fp.close();
pat_fp.close();
tax_fp.close();
//added by MJZaki
if (par.ascii)
{
conf_fp << NTRANS << "\n";
conf_fp << par.nitems << "\n";
conf_fp << par.tlen << "\n";
}
else
{
conf_fp.write((char *) &NTRANS, sizeof(LINT));
conf_fp.write((char *) &par.nitems, sizeof(LINT));
int t = (int) par.tlen;
conf_fp.write((char *) &t, sizeof(LINT));
}
conf_fp.close();
}