function CreateGroup(array &$ginfo = NULL, $flags = 0)
{
if ($this->reader_access) {
$rdr = $this->req->CreateReader();
$grp = $rdr->CreateGroup($ginfo, $flags);
unset($rdr);
return $grp;
}
return parent::CreateGroup($ginfo, $flags);
}
function CreateGroup(array &$ginfo = NULL, $flags = 0)
{
$grp = parent::CreateGroup($ginfo, $flags);
if ($grp->gid < 0) {
$grp->MarkComplex();
}
return $grp;
}
function PrepareData(READER $reader, MASK $mask = NULL, INTERVAL &$iv = NULL, $need_items = false)
{
$axes = $this->reader->CreateAxes();
$group = $reader->CreateGroup();
$caches = $reader->CreateCacheSet($group, $mask);
$iv = $this->PrepareInterval($reader, $group, $caches, $iv);
$cfg = $this->GetAgregatingProperties($caches, $iv);
$flags = ($this->interpolate_gaps ? 0 : CACHE::REPORT_EMPTY) | ($this->show_gaps == DRAW::SHOW_GAPS ? CACHE::MISSING_INFO : 0);
$data = array();
foreach ($caches as $key => $cache) {
$info = $this->PrepareGroupData($cache, $iv, $axes, $cfg, $flags, $need_items);
if (!$this->CheckGroupData($info)) {
continue;
}
$data[] = $info;
}
$spec = $this->CreateGraphSpec($this->reader, $axes, $iv, $data, $cfg);
$this->CheckData($reader, $group, $iv, $caches, $data, $spec);
return array($axes, &$data, &$spec);
}