private function IndexLayout()
{
$sw = StopWatch::StartNew();
if (!LayoutIndexCache::Contains($this->_layoutDateStart)) {
LayoutIndexCache::Add($this->_layoutDateStart, $this->_layoutItems, $this->_layoutDateStart, $this->_layoutDateEnd);
}
$cachedIndex = LayoutIndexCache::Get($this->_layoutDateStart);
$this->_firstLayoutTime = $cachedIndex->GetFirstLayoutTime();
$this->_lastLayoutTime = $cachedIndex->GetLastLayoutTime();
$this->_layoutByStartTime = $cachedIndex->LayoutByStartTime();
$this->_layoutIndexByEndTime = $cachedIndex->LayoutIndexByEndTime();
$sw->Stop();
// Log::Debug('IndexLayout() took %s seconds', $sw->GetTotalSeconds());
}
