void Introduce(ref OffsetLength offsetLength, S element, Int64 weight, int timeIndex)
{
if (weight != 0)
{
var handle = EnsureTime(ref offsetLength, timeIndex);
var position = 0;
while (handle.Array[handle.Offset + position].TimeIndex != timeIndex)
{
position++;
}
handle.Array[handle.Offset + position].Weight += weight;
// if the introduction results in an empty region, we need to clean up
if (handle.Array[handle.Offset + position].IsEmpty)
{
// drag everything after it down one
for (int i = position + 1; i < handle.Length; i++)
{
handle.Array[handle.Offset + i - 1] = handle.Array[handle.Offset + i];
}
handle.Array[handle.Offset + handle.Length - 1] = new CollectionTraceWithoutHeapIncrement();
// if the root element is empty, the list must be empty
if (handle.Array[handle.Offset].IsEmpty)
{
increments.Release(ref offsetLength);
}
}
}
}
public void ReleaseCache()
{
// only release if tracking a key
if (!cachedIncrementOffset.IsEmpty)
{
records.Release(ref cachedRecordsOffset);
cachedIncrementOffset = new OffsetLength();
cachedTimeIndex = 0;
}
}
void Introduce(ref OffsetLength offsetLength, S element, Int64 weight, int timeIndex)
{
var handle = EnsureTime(ref offsetLength, timeIndex);
var position = 0;
while (handle.Array[handle.Offset + position].TimeIndex != timeIndex)
{
position++;
}
if (handle.Array[handle.Offset + position].IsEmpty(isZero))
{
handle.Array[handle.Offset + position] = new CollectionTraceWithAggregationIncrement <S>(weight, timeIndex, element);
}
else
{
var incr = handle.Array[handle.Offset + position];
var result = new CollectionTraceWithAggregationIncrement <S>(incr.Weight + weight, timeIndex, axpy(1, element, incr.Value));
handle.Array[handle.Offset + position] = result;
}
// if the introduction results in an empty region, we need to clean up
if (handle.Array[handle.Offset + position].IsEmpty(isZero))
{
// drag everything after it down one
for (int i = position + 1; i < handle.Length; i++)
{
handle.Array[handle.Offset + i - 1] = handle.Array[handle.Offset + i];
}
handle.Array[handle.Offset + handle.Length - 1] = new CollectionTraceWithAggregationIncrement <S>();
// if the root element is empty, the list must be empty
if (handle.Array[handle.Offset].IsEmpty(isZero))
{
increments.Release(ref offsetLength);
}
}
}
