/**
*
* Checks to make sure the EAccelerator extension is available.
*
* @return void
*
*/
protected function _preConfig()
{
parent::_preConfig();
if (!(extension_loaded('eaccelerator') && ini_get('eaccelerator.enable'))) {
throw $this->_exception('ERR_EXTENSION_NOT_LOADED', array('extension' => 'eaccelerator'));
}
}
/**
*
* Drops a sequence from the database.
*
* @param string $name The sequence name to drop.
*
* @return void
*
*/
public function dropSequence($name)
{
$this->_cache->deleteAll();
$name = $this->_modSequenceName($name);
$result = $this->_dropSequence($name);
return $result;
}
/**
*
* Post-construction tasks to complete object construction.
*
* @return void
*
*/
protected function _postConstruct()
{
parent::_postConstruct();
// prefix the session class store, not the individual keys.
$prefix = $this->_prefix;
$this->_prefix = null;
if (!$prefix) {
$prefix = 'Solar_Cache_Adapter_Session';
}
// a session store for entries
$this->_entries = Solar::factory('Solar_Session', array('class' => $prefix . '__entries'));
// a session store for expires
$this->_expires = Solar::factory('Solar_Session', array('class' => $prefix . '__expires'));
}
/**
*
* Post-construction tasks to complete object construction.
*
* @return void
*
*/
protected function _postConstruct()
{
parent::_postConstruct();
$this->memcache = new Memcache();
// pool or single-server connection?
if (empty($this->_config['pool'])) {
// make sure we can connect
$result = @$this->memcache->connect($this->_config['host'], $this->_config['port'], $this->_config['timeout']);
if (!$result) {
throw $this->_exception('ERR_CONNECTION_FAILED', array('host' => $this->_config['host'], 'port' => $this->_config['port'], 'timeout' => $this->_config['timeout']));
}
} else {
// set up a pool
$this->_createPool();
}
}
/**
*
* Post-construction tasks to complete object construction.
*
* @return void
*
*/
protected function _postConstruct()
{
parent::_postConstruct();
// path to storage; include the prefix as part of the path
$this->_path = Solar_Dir::fix($this->_config['path'] . '/' . $this->_prefix);
// whether or not to hash
$this->_hash = $this->_config['hash'];
// build the context property
if (is_resource($this->_config['context'])) {
// assume it's a context resource
$this->_context = $this->_config['context'];
} elseif (is_array($this->_config['context'])) {
// create from scratch
$this->_context = stream_context_create($this->_config['context']);
} else {
// not a resource, not an array, so ignore.
// have to use a resource of some sort, so create
// a blank context resource.
$this->_context = stream_context_create(array());
}
// make sure the cache directory is there; create it if
// necessary.
if (!is_dir($this->_path)) {
mkdir($this->_path, $this->_config['mode'], true, $this->_context);
}
}
/**
*
* Retrieve the status text from the cache and then deletes it, making it
* act like a read-once session flash value.
*
* @return string The status text.
*
*/
public function getStatusText()
{
$val = $this->_cache->fetch('status_text');
$this->_cache->delete('status_text');
return $val;
}
/**
*
* Appends a single role to the existing list of roles.
*
* @param string $val The role to append.
*
* @return void
*
*/
public function add($val)
{
$data = $this->getList();
$data[] = $val;
$this->_cache->save('list', $data);
}
/**
*
* Fetches the current model data version from the cache.
*
* The entry is keyed under `$prefix/model/$model_name/data_version`.
*
* @return int The model data version.
*
*/
protected function _fetchVersion()
{
$key = $this->_prefix . "/model" . "/{$this->_model->model_name}" . "/data_version";
$result = $this->_cache->fetch($key);
return $result;
}
/**
*
* Appends a single role to the existing list of roles.
*
* @param string $val The role to append.
*
* @return void
*
*/
public function add($val)
{
$data = $this->_cache->fetch('list', array());
$data[] = $val;
$this->_cache->save('list', $data);
}
