/// <summary>
/// Flushes the values buffer to update the aggregate state held by subclasses.
/// </summary>
/// <param name="buffer"></param>
private void UpdateAggregate(MetricValuesBufferBase <TBufferedValue> buffer)
{
if (buffer == null)
{
return;
}
#if DEBUG
unchecked
{
Interlocked.Increment(ref s_countBufferFlushes);
}
#endif
object stage1Result;
// This lock is only contended is a user called CreateAggregateUnsafe or CompleteAggregation.
// This is very unlikely to be the case in a tight loop.
lock (buffer)
{
int maxFlushIndex = Math.Min(buffer.PeekLastWriteIndex(), buffer.Capacity - 1);
int minFlushIndex = buffer.NextFlushIndex;
if (minFlushIndex > maxFlushIndex)
{
return;
}
stage1Result = UpdateAggregate_Stage1(buffer, minFlushIndex, maxFlushIndex);
buffer.NextFlushIndex = maxFlushIndex + 1;
}
UpdateAggregate_Stage2(stage1Result);
}
