/**
* Load the profile information stored in the database
*
* @param
*/
protected void loadProfile(AuctionMarkWorker worker) throws SQLException {
synchronized (AuctionMarkProfile.class) {
// Check whether we have a cached Profile we can copy from
if (cachedProfile == null) {
// Store everything in the cached profile.
// We can then copy from that and extract out only the records
// that we need for each AuctionMarkWorker
cachedProfile = new AuctionMarkProfile(this.benchmark, this.rng);
// Otherwise we have to go fetch everything again
// So first we want to reset the database
Connection conn = worker.getConnection();
if (AuctionMarkConstants.RESET_DATABASE_ENABLE) {
if (LOG.isDebugEnabled()) LOG.debug("Reseting database from last execution run");
worker.getProcedure(ResetDatabase.class).run(conn);
}
// Then invoke LoadConfig to pull down the profile information we need
if (LOG.isDebugEnabled()) LOG.debug("Loading AuctionMarkProfile for the first time");
ResultSet results[] = worker.getProcedure(LoadConfig.class).run(conn);
conn.commit();
int result_idx = 0;
// CONFIG_PROFILE
loadConfigProfile(cachedProfile, results[result_idx++]);
// IMPORTANT: We need to set these timestamps here. It must be done
// after we have loaded benchmarkStartTime
cachedProfile.setAndGetClientStartTime();
cachedProfile.updateAndGetCurrentTime();
// ITEM CATEGORY COUNTS
loadItemCategoryCounts(cachedProfile, results[result_idx++]);
// GLOBAL_ATTRIBUTE_GROUPS
loadGlobalAttributeGroups(cachedProfile, results[result_idx++]);
// PENDING COMMENTS
loadPendingItemComments(cachedProfile, results[result_idx++]);
// ITEMS
while (result_idx < results.length) {
// assert(results[result_idx].isClosed() == false) :
// "Unexpected closed ITEM ResultSet [idx=" + result_idx + "]";
loadItems(cachedProfile, results[result_idx]);
result_idx++;
} // FOR
for (ResultSet r : results) r.close();
if (LOG.isDebugEnabled()) LOG.debug("Loaded profile:\n" + cachedProfile.toString());
}
} // SYNCH
if (LOG.isTraceEnabled()) LOG.trace("Using cached SEATSProfile");
this.copyProfile(worker, cachedProfile);
}
private static final void loadConfigProfile(AuctionMarkProfile profile, ResultSet vt)
throws SQLException {
boolean adv = vt.next();
assert (adv)
: String.format(
"Failed to get data from %s\n%s", AuctionMarkConstants.TABLENAME_CONFIG_PROFILE, vt);
int col = 1;
profile.scale_factor = vt.getDouble(col++);
profile.loaderStartTime = vt.getTimestamp(col++);
profile.loaderStopTime = vt.getTimestamp(col++);
JSONUtil.fromJSONString(profile.users_per_itemCount, vt.getString(col++));
if (LOG.isDebugEnabled())
LOG.debug(String.format("Loaded %s data", AuctionMarkConstants.TABLENAME_CONFIG_PROFILE));
}
private static final void loadItems(AuctionMarkProfile profile, ResultSet vt)
throws SQLException {
int ctr = 0;
while (vt.next()) {
int col = 1;
ItemId i_id = new ItemId(vt.getLong(col++));
double i_current_price = vt.getDouble(col++);
Timestamp i_end_date = vt.getTimestamp(col++);
int i_num_bids = (int) vt.getLong(col++);
// IMPORTANT: Do not set the status here so that we make sure that
// it is added to the right queue
ItemInfo itemInfo = new ItemInfo(i_id, i_current_price, i_end_date, i_num_bids);
profile.addItemToProperQueue(itemInfo, false);
ctr++;
} // WHILE
if (LOG.isDebugEnabled())
LOG.debug(
String.format("Loaded %d records from %s", ctr, AuctionMarkConstants.TABLENAME_ITEM));
}
