int main( int argc, char *argv[] )
{
Stock stocks[STKS] =
{
Stock("NanoSmart", 12, 20.0),
Stock("Boffo Objects", 200, 2.0),
Stock("Monolithic Obelisks", 130, 3.25),
Stock("Fleep Enterprises", 60, 6.5)
};
std::cout << "Stock holdings:\n";
int st;
for ( st = 0; st < STKS; st++ )
stocks[st].show();
const Stock * top = &stocks[0];
for ( st = 1; st < STKS; st++ )
top = &top->topval(stocks[st]);
std::cout << "\nMost valuable holding:\n";
top->show();
return 0;
}
int main()
{
// create an array of initialized objects
Stock stocks[STKS] = {
Stock("NanoSmart", 12, 20.0),
Stock("Boffo Objects", 200, 2.0),
Stock("Monolithic Obelisks", 130, 3.25),
Stock("Fleep Enterprises", 60, 6.5)
};
std::cout << "Stock holdings:\n";
int st;
for (st = 0; st < STKS; st++)
std::cout << stocks[st];
// set pointer to first element
const Stock * top = &stocks[0];
for (st = 1; st < STKS; st++)
top = &top->topval(stocks[st]);
// now top points to the most valuable holding
std::cout << "\nMost valuable holding:\n";
std::cout << *top;
return 0;
}
/*
* Loads the Warehouse table
* Loads Stock, District as Warehouses are created
*/
void
LoadWare(void)
{
long w_id;
char w_name[11];
char w_street_1[21];
char w_street_2[21];
char w_city[21];
char w_state[3];
char w_zip[10];
float w_tax;
float w_ytd;
DB *dbp;
char *name = WAREHOUSE_INDEX_NAME;
char *stock_name = STOCK_INDEX_NAME;
char *district_name = DISTRICT_INDEX_NAME;
int err;
if(create_db(db_env, &dbp, DB_WH_PAGE_SIZE, 0) || open_db(dbp, name, 0))
return;
if(create_db(db_env, &dbp_stock, DB_COMMON_PAGE_SIZE, 0) || open_db(dbp_stock, stock_name, 0))
goto done;
if(create_db(db_env, &dbp_district, DB_DS_PAGE_SIZE, 0))
goto done;
if((err = dbp_district->set_bt_compare(dbp_district, district_comparison_func)))
{
db_error("DB->set_bt_compare", err);
goto done;
}
if(open_db(dbp_district, district_name, 0))
{
goto done;
}
printf("Loading Warehouse \n");
for (w_id=1L; w_id<=count_ware; w_id++)
{
DBT key, data;
WAREHOUSE_PRIMARY_KEY w_key;
WAREHOUSE_PRIMARY_DATA w_data;
memset(&w_key, 0, sizeof(WAREHOUSE_PRIMARY_KEY));
memset(&w_data, 0, sizeof(WAREHOUSE_PRIMARY_DATA));
/* Generate Warehouse Data */
MakeAlphaString( 6, 10, w_name);
MakeAddress( w_street_1, w_street_2, w_city, w_state, w_zip );
w_tax=((float)random1(10L,20L))/100.0;
w_ytd=3000000.00;
w_key.W_ID = w_id;
memcpy(&w_data.W_NAME, &w_name, 11);
memcpy(&w_data.W_STREET_1, &w_street_1, 21);
memcpy(&w_data.W_STREET_2, &w_street_2, 21);
memcpy(&w_data.W_CITY, &w_city, 21);
memcpy(&w_data.W_STATE, &w_state, 3);
memcpy(&w_data.W_ZIP, &w_zip, 10);
w_data.W_TAX = w_tax;
w_data.W_YTD = w_ytd;
/* Initialize the key */
memset(&key, 0, sizeof(key));
key.data = &w_key;
key.size = sizeof(WAREHOUSE_PRIMARY_KEY);
/* Initialize the data */
memset(&data, 0, sizeof(data));
data.data = &w_data;
data.size = sizeof(WAREHOUSE_PRIMARY_DATA);
if ( option_debug )
printf( "WID = %ld, Name= %16s, Tax = %5.2f\n",
w_id, w_name, w_tax );
if((err=dbp->put(dbp, 0, &key, &data, 0)))
{
db_error("DB->put", err);
goto done;
}
/** Make Rows associated with Warehouse **/
if(Stock(w_id) || District(w_id))
{
goto done;
}
}
done:
if(dbp)
dbp->close(dbp, 0);
if(dbp_stock)
dbp_stock->close(dbp_stock, 0);
if(dbp_district)
dbp_district->close(dbp_district, 0);
}
