/** Executes a payment transaction. */
public void doPayment() throws IOException {
boolean allow_remote = (parameters.warehouses > 1 && config.payment_multip != false);
double remote_prob = (config.payment_multip_mix >= 0 ? config.payment_multip_mix : 15) * 10d;
short w_id = generateWarehouseId();
byte d_id = generateDistrict();
short c_w_id;
byte c_d_id;
if (allow_remote == false || generator.number(1, 1000) <= (1000 - remote_prob)) {
// 85%: paying through own warehouse (or there is only 1 warehouse)
c_w_id = w_id;
c_d_id = d_id;
} else {
// 15%: paying through another warehouse:
if (config.warehouse_pairing) {
c_w_id =
generatePairedWarehouse(w_id, parameters.starting_warehouse, parameters.last_warehouse);
} else if (config.payment_multip_remote) {
c_w_id =
(short)
generator.numberRemoteWarehouseId(
parameters.starting_warehouse, parameters.last_warehouse, (int) w_id);
} else {
// select in range [1, num_warehouses] excluding w_id
c_w_id =
(short)
generator.numberExcluding(
parameters.starting_warehouse, parameters.last_warehouse, w_id);
}
assert c_w_id != w_id;
c_d_id = generateDistrict();
}
double h_amount = generator.fixedPoint(2, TPCCConstants.MIN_PAYMENT, TPCCConstants.MAX_PAYMENT);
TimestampType now = clock.getDateTime();
if (generator.number(1, 100) <= 60) {
// 60%: payment by last name
String c_last = generator.makeRandomLastName(parameters.customersPerDistrict);
client.callPaymentByName(w_id, d_id, h_amount, c_w_id, c_d_id, c_last, now);
} else {
// 40%: payment by id
client.callPaymentById(w_id, d_id, h_amount, c_w_id, c_d_id, generateCID(), now);
}
}
/** Executes a new order transaction. */
public void doNewOrder() throws IOException {
short warehouse_id = generateWarehouseId();
int ol_cnt = generator.number(TPCCConstants.MIN_OL_CNT, TPCCConstants.MAX_OL_CNT);
// 1% of transactions roll back
boolean rollback = (config.neworder_abort && generator.number(1, 100) == 1);
int local_warehouses = 0;
int remote_warehouses = 0;
int[] item_id = new int[ol_cnt];
short[] supply_w_id = new short[ol_cnt];
int[] quantity = new int[ol_cnt];
for (int i = 0; i < ol_cnt; ++i) {
if (rollback && i + 1 == ol_cnt) {
// LOG.fine("[NOT_ERROR] Causing a rollback on purpose defined in TPCC spec. "
// + "You can ignore following 'ItemNotFound' exception.");
item_id[i] = parameters.items + 1;
} else {
item_id[i] = generateItemID();
}
// 1% of items are from a remote warehouse
boolean remote = config.neworder_multip && (generator.number(1, 100) == 1);
if (parameters.warehouses > 1 && remote) {
short remote_w_id;
if (config.warehouse_pairing) {
remote_w_id =
generatePairedWarehouse(
warehouse_id, parameters.starting_warehouse, parameters.last_warehouse);
} else {
remote_w_id =
(short)
generator.numberExcluding(
parameters.starting_warehouse, parameters.last_warehouse, (int) warehouse_id);
}
supply_w_id[i] = remote_w_id;
if (supply_w_id[i] != warehouse_id) remote_warehouses++;
else local_warehouses++;
} else {
supply_w_id[i] = warehouse_id;
local_warehouses++;
}
quantity[i] = generator.number(1, TPCCConstants.MAX_OL_QUANTITY);
}
// Whether to force this transaction to be multi-partitioned
if (parameters.warehouses > 1
&& config.neworder_multip == false
&& config.neworder_multip_mix > 0
&& (generator.number(1, 1000) <= (config.neworder_multip_mix * 100))) {
if (trace.val) LOG.trace("Forcing Multi-Partition NewOrder Transaction");
// Flip a random one
int idx = generator.number(0, ol_cnt - 1);
short remote_w_id;
if (config.warehouse_pairing) {
remote_w_id =
generatePairedWarehouse(
warehouse_id, parameters.starting_warehouse, parameters.last_warehouse);
}
if (config.neworder_multip_remote) {
remote_w_id =
(short)
generator.numberRemoteWarehouseId(
parameters.starting_warehouse, parameters.last_warehouse, (int) warehouse_id);
} else {
remote_w_id =
(short)
generator.numberExcluding(
parameters.starting_warehouse, parameters.last_warehouse, (int) warehouse_id);
}
supply_w_id[idx] = remote_w_id;
}
if (trace.val)
LOG.trace(
"newOrder(W_ID="
+ warehouse_id
+ ") -> ["
+ "local_warehouses="
+ local_warehouses
+ ", "
+ "remote_warehouses="
+ remote_warehouses
+ "]");
TimestampType now = clock.getDateTime();
client.callNewOrder(
rollback,
config.noop,
warehouse_id,
generateDistrict(),
generateCID(),
now,
item_id,
supply_w_id,
quantity);
}
/** Executes a delivery transaction. */
public void doDelivery() throws IOException {
int carrier = generator.number(TPCCConstants.MIN_CARRIER_ID, TPCCConstants.MAX_CARRIER_ID);
client.callDelivery(generateWarehouseId(), carrier, clock.getDateTime());
}