/**
* Function to check if current cache is part of any PowerTrail.
* On success PowerTrail object is created.
*
* @return boolean true if this cache belongs to any PowerTrail;
*/
public function isPowerTrailPart()
{
if (!OcConfig::instance()->getPowerTrailModuleSwitchOn()) {
return false;
}
if (is_null($this->isPowerTrailPart)) {
$ptArr = PowerTrail::CheckForPowerTrailByCache($this->id);
if (count($ptArr) > 0) {
// TODO: ASSUMPTION: cache belongs to ONLY one PT
$this->isPowerTrailPart = true;
$this->powerTrail = new PowerTrail(array('dbRow' => $ptArr[0]));
} else {
$this->isPowerTrailPart = false;
}
}
return $this->isPowerTrailPart;
}