bool Host::receiveAndStoreData(Database db) { // Receive the sensor data. string msg = receive(); // Check if the messsage was received successfully. if(msg == "err") { lastError = "Could not receive message from client."; return 0; } hostMessage sensorData = parse(msg); string query = generateQuery(sensorData, db); if(query == "err") { lastError = "Could not generate query."; return 0; } if(query == "done") { // The data has been inserted by generateQuery()! (i know..) return 1; } // Recent sensor data. if(getSensorType(sensorData) == SENSOR_TYPE_SENSORDATA) { if(!db.setQuery(db.getHandle(), generateDeletionQueryForRecentData(sensorData)) || !db.setQuery(db.getHandle(), generateQueryForRecentData(sensorData))) { lastError = "Could not store data in recent value table. Database error: " + db.getError(); return 0; } } if(!db.setQuery(db.getHandle(), query)) { lastError = "Could not store data. Database error: " + db.getError(); return 0; } else { return 1; } }
Set<WebPage*> SearchEngine::processSingle(const std::string inStr, const std::string line) { Set<WebPage*> word; //Check if valid input if(whiteSpace(line)) { // Get corresponding set if it exists try { word = queries.at(inStr); } // If not, generate it catch(std::exception &e) { word = generateQuery(inStr); queries.insert(std::pair<std::string,Set<WebPage*> >(inStr,word)); } } return word; }
void Simulator::createRandomQueries(int nqueries, bool static_queries) { for(int i = 0; i < nqueries; i++) addQuery( generateQuery(mHandler, mRegion, static_queries, mQueryAngleMin, mQueryAngleMax, mQueryDistance, mQueryMaxResults) ); }