/**
* Get metadata for a certain class - loads once and caches
* @param string $className
* @throws \Drest\DrestException
* @return ClassMetaData $metaData
*/
public function getMetadataForClass($className)
{
if (isset($this->loadedMetadata[$className])) {
return $this->loadedMetadata[$className];
}
// check the cache
if ($this->cache !== null) {
$classMetadata = $this->cache->fetch($this->cache_prefix . $className);
if ($classMetadata instanceof ClassMetaData) {
if ($classMetadata->expired()) {
$this->cache->delete($this->cache_prefix . $className);
} else {
$this->loadedMetadata[$className] = $classMetadata;
return $classMetadata;
}
}
}
$classMetadata = $this->driver->loadMetadataForClass($className);
if ($classMetadata !== null) {
$this->loadedMetadata[$className] = $classMetadata;
if ($this->cache !== null) {
$this->cache->save($this->cache_prefix . $className, $classMetadata);
}
return $classMetadata;
}
if (is_null($this->loadedMetadata[$className])) {
throw DrestException::unableToLoadMetaDataFromDriver();
}
return $this->loadedMetadata[$className];
}
/**
* Read any defined route patterns from metadata and inject them into the router
* @param Router $router
*/
public function registerRoutes(Router $router)
{
foreach ($this->metaDataDriver->getAllClassNames() as $class) {
$classMetaData = $this->getMetaDataForClass($class);
$router->registerRoutes($classMetaData->getRoutesMetaData());
}
}
