bool VectorRecord::allValuesAreLoaded() const
{
if (!dataPtr() || !dataPtr()->pagedAndPageletTreeValueCount())
return true;
IntegerSequence curSlice(size(), offset(), stride());
IntegerSequence restrictedSlice = curSlice.intersect(IntegerSequence(pagedAndPageletTreeValueCount()));
if (restrictedSlice.size() == 0)
return true;
Nullable<long> slotIndex;
Fora::Interpreter::ExecutionContext* context = Fora::Interpreter::ExecutionContext::currentExecutionContext();
if (context)
slotIndex = context->getCurrentBigvecSlotIndex();
else
slotIndex = 0;
lassert(slotIndex);
if (!dataPtr()->bigvecHandleForSlot(*slotIndex))
return false;
bool tr = dataPtr()->
bigvecHandleForSlot(*slotIndex)->allValuesAreLoadedBetween(
restrictedSlice.smallestValue(),
restrictedSlice.largestValue() + 1
);
return tr;
}
PooledVectorRecord PooledVectorRecord::slice(
Nullable<int64_t> nLow,
Nullable<int64_t> nHigh,
Nullable<int64_t> nStride
) const
{
if (!mDataPtr)
return PooledVectorRecord();
if (nStride && *nStride == 0)
return PooledVectorRecord();
IntegerSequence sequenceToUse =
IntegerSequence(mSize, mOffset, mStride).slice(nLow, nHigh, nStride);
if (!sequenceToUse.size())
return PooledVectorRecord();
return PooledVectorRecord(
mDataPtr,
sequenceToUse.size(),
sequenceToUse.offset(),
sequenceToUse.stride()
);
}
VectorRecord VectorRecord::pagedAndPageletTreePortion() const
{
IntegerSequence curSlice(size(), offset(), stride());
IntegerSequence restrictedSlice = curSlice.intersect(IntegerSequence(pagedAndPageletTreeValueCount()));
if (!restrictedSlice.size())
return VectorRecord();
return VectorRecord(
dataPtr(),
restrictedSlice.size(),
restrictedSlice.offset(),
restrictedSlice.stride()
);
}
bool VectorRecord::visitAnyLoadedValues(
VectorDataManager* inVDM,
boost::function2<void, ForaValueArray*, IntegerSequence> visitor,
IntegerSequence subsequence
)
{
if (!dataPtr())
return false;
subsequence = subsequence.intersect(IntegerSequence(size()));
IntegerSequence subsequenceWithinVH(
subsequence.size(),
offset() + subsequence.offset() * stride(),
stride() * subsequence.stride()
);
return dataPtr()->visitAnyLoadedValues(
inVDM,
visitor,
subsequenceWithinVH
);
}
IntegerSequence indicesWithinHandle() const
{
return IntegerSequence(size(), offset(), stride());
}
