virtual void process()
{
IRecordSize *recordSize = helper->queryOutputMeta();
Owned<IThorRowInterfaces> rowIf = createThorRowInterfaces(queryRowManager(), helper->queryOutputMeta(), queryId(), queryCodeContext());
OwnedConstThorRow result = getAggregate(*this, container.queryJob().querySlaves(), *rowIf, *helper, mpTag);
if (!result)
return;
CMessageBuffer msg;
CMemoryRowSerializer mbs(msg);
rowIf->queryRowSerializer()->serialize(mbs, (const byte *)result.get());
if (!queryJobChannel().queryJobComm().send(msg, 1, mpTag, 5000))
throw MakeThorException(0, "Failed to give result to slave");
}
virtual void start() override
{
ActivityTimer s(totalCycles, timeActivities);
try
{
try
{
PARENT::start();
}
catch (IException *e)
{
fireException(e);
barrier->cancel();
throw;
}
catch (CATCHALL)
{
Owned<IException> e = MakeActivityException(this, 0, "Unknown exception starting sort input");
fireException(e);
barrier->cancel();
throw;
}
Linked<IThorRowInterfaces> rowif = queryRowInterfaces(input);
Owned<IThorRowInterfaces> auxrowif = createThorRowInterfaces(queryRowManager(), helper->querySortedRecordSize(),queryId(),queryCodeContext());
sorter->Gather(
rowif,
inputStream,
helper->queryCompare(),
helper->queryCompareLeftRight(),
NULL,helper->querySerialize(),
NULL,
NULL,
false,
isUnstable(),
abortSoon,
auxrowif);
PARENT::stop();
if (abortSoon)
{
ActPrintLogEx(&queryContainer(), thorlog_null, MCwarning, "MSortSlaveActivity::start aborting");
barrier->cancel();
return;
}
}
catch (IException *e)
{
fireException(e);
barrier->cancel();
throw;
}
catch (CATCHALL)
{
Owned<IException> e = MakeActivityException(this, 0, "Unknown exception gathering sort input");
fireException(e);
barrier->cancel();
throw;
}
ActPrintLog("SORT waiting barrier.1");
if (!barrier->wait(false)) {
Sleep(1000); // let original error through
throw MakeThorException(TE_BarrierAborted,"SORT: Barrier Aborted");
}
ActPrintLog("SORT barrier.1 raised");
output.setown(sorter->startMerge(totalrows));
}
IThorRowInterfaces * CDiskReadSlaveActivityBase::queryDiskRowInterfaces()
{
if (!diskRowIf)
diskRowIf.setown(createThorRowInterfaces(queryRowManager(), helper->queryDiskRecordSize(),queryId(),queryCodeContext()));
return diskRowIf;
}