Operator::GetNextResultT IntGeneratorOp::getNext(unsigned short threadid)
{
dbgassert(output.at(threadid) != NULL);
Page* out = output[threadid];
out->clear();
while (out->canStoreTuple())
{
void* tuple = produceOne(threadid);
if (tuple == NULL)
return make_pair(Finished, out);
void* target = out->allocateTuple();
dbgassert(target != NULL);
schema.copyTuple(target, tuple);
}
return make_pair(Ready, out);
}
Operator::GetNextResultT ConsumeOp::getNext(unsigned short threadid)
{
CtInt val = 0;
dbgassert(vec.at(threadid) != NULL);
Page* out = vec[threadid];
GetNextResultT result;
assertaddresslocal(&val);
const int tupw = nextOp->getOutSchema().getTupleSize();
do {
result = nextOp->getNext(threadid);
dbgassert(result.first != Error);
Page* in = result.second;
Page::Iterator it = in->createIterator();
void* tuple;
while ( (tuple = it.next()) )
{
CtInt* casttuple = (CtInt*) tuple;
for (int i=0; i<(tupw/4); ++i)
{
val ^= casttuple[i];
}
}
} while(result.first == Operator::Ready);
assertaddresslocal(&val);
void* dest = out->allocateTuple();
schema.writeData(dest, 0, &val);
return make_pair(Finished, out);
}
