void worker_thread(const int job_id) {
// init database connection
DBManager dbm = DBManager("localhost", "user_name", "password", "db_name", 0);
DBJob job = dbm.get_job(job_id);
cout << "job terms: " << job.getTerms() << ", job type: " << job.getType() << endl;
vector<string> queries = split(job.getTerms(), '$');
vector<job_data> matches = ldp.get_matches(queries, job.getType());
if (job.getType() == 1) {
// build results as $-separated string
string results_str = build_result_str(matches);
cout << "result string: " << results_str << endl;
dbm.update_completed_type134(job_id, results_str, job.getType());
}
else if (job.getType() == 2) { // return 10 options for start and end terms
dbm.update_completed_type2(job_id, matches[0].result, matches[1].result);
}
else if (job.getType() == 3 || job.getType() == 4) {
dbm.update_completed_type134(job_id, matches[0].result, job.getType());
}
// clean up and close
dbm.close();
}
int main(int argc, char* argv[]) {
logger.init("log.out");
// arguments are threshold1, threshold2, case_sensitive, filename
if (!ldp.init(0.85f, 0.35f, false, "MRCONSO.RRF")) {
logger.write("Error loading dictionary.");
exit(1);
}
//****************....finished preloading....**************************
logger.write("Preloading finished, waiting for new jobs.");
// init database connection
DBManager dbm = DBManager("localhost", "user_name", "password", "db_name", 1);
while (true) {
vector<int> job_ids = dbm.check_jobs();
// if new jobs exists
if (job_ids.size() > 0) {
// update jobs as processing
for (vector<int>::size_type i = 0; i != job_ids.size(); i++) {
dbm.update_processing(job_ids[i]);
}
// spawn enough threads to handle jobs
for (vector<int>::size_type i = 0; i != job_ids.size(); i++) {
boost::thread t(&worker_thread, job_ids[i]);
}
}
sleep(2);
job_ids.clear();
}
// clean up and exit
dbm.close();
return 0;
}