/**
* Return a Cabability Value
*
* @param string $deviceID
* @param string $capabilityName
* @return string
*/
function getCapabilityForDevice($deviceID, $capabilityName)
{
$key = $deviceID . $capabilityName;
$capabilityValue = $this->_cacheProvider->get($key);
if (empty($capabilityValue)) {
$capabilityValue = $this->_deviceRepository->getCapabilityForDevice($deviceID, $capabilityName);
// save it in cache
$this->_cacheProvider->put($key, $capabilityValue);
}
return $capabilityValue;
}
/**
* Returns the value of a given capability name
*
* @param string $capabilityName
* @return string Capability value
* @throws WURFLException if the value of the $capability name is illegal
*/
public function getCapability($capabilityName)
{
if (isset($this->_device->capabilities[$capabilityName])) {
return $this->_device->capabilities[$capabilityName];
}
$key = $this->_device->id . "_" . $capabilityName;
$capabilityValue = $this->_cacheProvider->get($key);
if (empty($capabilityValue)) {
$capabilityValue = $this->_deviceRepository->getCapabilityForDevice($this->_device->fallBack, $capabilityName);
// save it in cache
$this->_cacheProvider->put($key, $capabilityValue);
}
// prevent useless gets when retrieving the same capability from this device again
//$this->_device->capabilities[$capabilityName] = $capabilityValue;
return $capabilityValue;
}
