/**
* In addition to all writes being stored to $local, we'll also
* keep get() values around ;).
*
* {@inheritdoc}
*/
public function get($key, &$token = null)
{
$value = $this->transaction->get($key, $token);
// only store if we managed to retrieve a value (valid token) and it's
// not already in cache (or we may mess up tokens)
if ($value !== false && $this->local->get($key, $localToken) === false && $localToken === null) {
$this->local->set($key, $value);
}
return $value;
}
/**
* {@inheritdoc}
*/
public function touch($key, $expire)
{
// grab existing value (from real cache or memory) and re-save (to
// memory) with updated expiration time
$value = $this->get($key);
if ($value === false) {
return false;
}
$success = $this->local->set($key, $value, $expire);
if ($success === false) {
return false;
}
$this->defer->touch($key, $expire);
return true;
}
