/**
* Refreshes the underlying cache.
*/
protected function refresh()
{
if ($this->cache->exists()) {
return;
}
// Cycle through the differing sources.
foreach ($this->sources as $source) {
// Cycle through all the classes deined by the sources.
foreach ($source->getClasses() as $class) {
// Get the meta information from the source.
if (!($metas = $source->getClass($class))) {
continue;
}
// Cycle through all the metas defined for a given class.
foreach ($metas as $meta) {
// Check the existance of required fields.
if (empty($meta['type']) || empty($meta['subtype'])) {
continue;
}
// Ensure a valid meta class.
if (empty($meta['meta']) || !class_exists($meta['meta']) || !in_array('Discovery\\MetaInterface', class_implements($meta['meta']))) {
$meta['meta'] = 'Discovery\\Meta';
}
// Create object and add it to the cache.
$object = new $meta['meta']($class, $meta);
$this->cache->setMeta($object);
}
}
}
}
