void process()
{
helper->clearAggregate(aggy);
input = inputs.item(0);
startInput(input);
processed = THORDATALINK_STARTED;
try
{
while (!abortSoon)
{
OwnedConstThorRow row(input->ungroupedNextRow());
if (!row)
break;
helper->process(aggy, row);
processed++;
}
ActPrintLog("DISTRIBUTION: processed %"RCPF"d records", processed & THORDATALINK_COUNT_MASK);
}
catch(CATCHALL)
{
ActPrintLog("DISTRIBUTION: exception");
throw;
}
CMessageBuffer msg;
helper->serialize(aggy, msg);
container.queryJob().queryJobComm().send(msg, 0, mpTag);
}
void kill()
{
CSlaveActivity::kill();
helper->destruct(aggy);
ma.clear();
}
virtual void process()
{
CMasterActivity::process();
IHThorDistributionArg * helper = (IHThorDistributionArg *)queryHelper();
IOutputMetaData *rcSz = helper->queryInternalRecordSize();
unsigned nslaves = container.queryJob().querySlaves();
IDistributionTable * * result = (IDistributionTable * *)createThorRow(rcSz->getMinRecordSize()); // not a real row
helper->clearAggregate(result);
while (nslaves--)
{
rank_t sender;
CMessageBuffer msg;
if (!receiveMsg(msg, RANK_ALL, mpTag, &sender))
return;
#if THOR_TRACE_LEVEL >= 5
ActPrintLog("Received distribution result from node %d", (unsigned)sender);
#endif
if (msg.length())
helper->merge(result, msg);
}
StringBuffer tmp;
tmp.append("<XML>");
helper->gatherResult(result, tmp);
tmp.append("</XML>");
#if THOR_TRACE_LEVEL >= 5
ActPrintLog("Distribution result: %s", tmp.str());
#endif
helper->sendResult(tmp.length(), tmp.str());
destroyThorRow(result);
}
void init(MemoryBuffer &data, MemoryBuffer &slaveData)
{
mpTag = container.queryJob().deserializeMPTag(data);
helper = static_cast <IHThorDistributionArg *> (queryHelper());
aggy = (IDistributionTable * *)ma.allocate(helper->queryInternalRecordSize()->getMinRecordSize());
}
