function CheckData(READER $reader, LOGGROUP $grp, INTERVAL $iv, CACHESet $caches, array &$data, array &$spec)
{
global $GRAPH_MAX_CACHE_GAP;
if (!$spec['amount'][1] || !$data) {
$grinfo = $reader->GetGroupInfo($grp, REQUEST::LIST_COMPLEX | REQUEST::LIST_VIRTUAL);
$grname = $grinfo['name'];
$dbname = $reader->req->GetSourceTitle();
if ($caches->IsEmpty()) {
throw new ADEIException(translate("CACHESet (%s -- %s) is empty: No channels are selected", $dbname, $grname), ADEIException::NO_DATA);
} else {
$from = date('c', floor($iv->GetWindowStart()));
$to = date('c', ceil($iv->GetWindowEnd()));
throw new ADEIException(translate("CACHESet (%s -- %s) have no data available between %s and %s ", $dbname, $grname, $from, $to), ADEIException::NO_DATA);
}
}
if ($GRAPH_MAX_CACHE_GAP) {
if ($from - $iv->window_start < $GRAPH_MAX_CACHE_GAP || $to - $iv->window_start - $iv->window_size < $GRAPH_MAX_CACHE_GAP) {
$range1 = date("c", ceil($iv->window_start)) . " and " . date("c", floor($iv->window_start + $iv->window_size));
$range2 = date("c", ceil($from)) . " and " . date("c", floor($to));
throw new ADEIException(translate("The data is missing in CACHE: Needed: {$range1}, Available: {$range2}"));
}
}
}
function ApplyReader(READER &$reader, LOGGROUP &$grp, $flags = 0)
{
if ($flags & INTERVAL::NEED_AMOUNT || $this->end_mode || $this->all_mode) {
if (flags & INTERVAL::NEED_AMOUNT) {
$info = $reader->GetGroupInfo($grp, REQUEST::NEED_INFO | REQUEST::NEED_COUNT);
$this->Apply($info['first'], $info['last'], $info['records']);
} else {
$info = $reader->GetGroupInfo($grp, REQUEST::NEED_INFO);
$this->Apply($info['first'], $info['last']);
}
} else {
$this->UpdateWindow();
}
}
