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<?php
class CACHEWrapper {
var $cache;
var $mask;
var $itemcache;
var $DEFAULT_CONFIG;
function __construct(CACHE $cache, MASK $mask = NULL) {
$this->cache = $cache;
$this->mask = $mask;
$this->itemcache = false;
$this->DEFAULT_CONFIG = array(
'type' => CACHEDB::TYPE_AUTO,
'limit' => 0,
'amount' => 0
);
}
function GetCache() {
return $this->cache;
}
function GetMask() {
return $this->mask;
}
function GetGroupProps() {
return $this->cache->req->GetGroupProps();
}
function GetOption($prop, $default = NULL) {
return $this->cache->reader->GetGroupOption($this->cache->group, $prop, $default);
}
function GetMaskIDs() {
return $this->mask->GetIDs();
}
function GetWidth() {
if (($this->mask)&&($this->mask->ids)) return sizeof($this->mask->ids);
try {
$mask = $this->cache->CreateMask();
} catch (ADEIException $ae) {
if ($ae->getCode() == ADEIException::NO_CACHE) return 0;
throw $ae;
}
return sizeof($mask->ids);
}
private function GetCachedItems($flags, $query_flags = false) {
if ($this->itemcache) {
$cf = $this->itemcache['flags'];
$exact_match = $query_flags&CACHESet::EXACT_FLAGS;
if (((!$exact_match)&&(($cf&$flags) == $flags))||(($exact_match)&&($flags == $cf))) {
return $this->itemcache['items'];
}
if ($query_flags&CACHESet::CACHE_ITEMS) {
unset($this->itemcache);
}
}
if ($query_flags === false) $query_flags = $flags;
$items = $this->cache->GetItemList($this->mask, $query_flags);
if ($query_flags&CACHESet::CACHE_ITEMS) {
$this->itemcache = array(
'flags' => $query_flags,
'items' => &$items
);
}
return $items;
}
function CreateAxes(GRAPHAxes $axes, $flags = 0) {
$itemlist = $this->GetCachedItems(
REQUEST::NEED_AXISINFO,
($flags&CACHESet::CACHE_ITEMS)?($flags|REQUEST::NEED_AXISINFO):(REQUEST::NEED_AXISINFO|REQUEST::ONLY_AXISINFO)
);
$size = $this->GetWidth();
for ($i=0;$i<$size;$i++) {
$axes->GetAxis(is_array($itemlist[$i])?$itemlist[$i]['axis']:false);
}
}
function GetItemList($flags = 0) {
return $this->GetCachedItems($flags);
}
function GetGroupTitle() {
return $this->cache->GetTitle();
}
function GetIntervals(INTERVAL $ivl = NULL, array $cfg = NULL, $flags = 0) {
if (isset($cfg['resolution'])) $resolution = $cfg['resolution'];
else $resolution = $this->cache->resolution->Get($ivl, $cfg['amount']);
try {
$res = $this->cache->GetIntervals($this->mask, $ivl, $cfg['limit'], $cfg['amount'], $resolution, $flags);
} catch (ADEIException $ae) {
if ($ae->getCode() == ADEIException::NO_CACHE) return array();
throw $ae;
}
return $res;
}
function GetNeighbors($x, array $cfg = NULL, $flags = 0) {
try {
$res = $this->cache->GetNeighbors($this->mask, $x, ($cfg&&isset($cfg['amount']))?$cfg['amount']:false, $flags);
} catch (ADEIException $ae) {
if ($ae->getCode() == ADEIException::NO_CACHE) return array();
throw $ae;
}
return $res;
}
function GetPoints(INTERVAL $ivl = NULL, array $cfg = NULL, $flags = 0) {
if (!$cfg) $cfg = &$this->DEFAULT_CONFIG;
if (isset($cfg['resolution'])) $resolution = $cfg['resolution'];
else $resolution = $this->cache->resolution->Get($ivl, $cfg['amount']);
try {
$res = $this->cache->GetPoints($this->mask, $ivl, $cfg['type'], $cfg['limit'], $cfg['amount'], $resolution, $flags);
} catch (ADEIException $ae) {
if ($ae->getCode() == ADEIException::NO_CACHE) return array();
throw $ae;
}
return $res;
}
function GetAllPoints(INTERVAL $ivl = NULL, $limit = 0) {
try {
$res = $this->cache->GetAllPoints($this->mask, $ivl, $limit);
} catch (ADEIException $ae) {
if ($ae->getCode() == ADEIException::NO_CACHE) return array();
throw $ae;
}
return $res;
}
function GetResolution() {
return $this->cache->resolution;
}
}
?>
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