This is useful when the value was calculated by some out-of-band means.
For example, when a list of rows is fetched from the database, you can
prime the cache for each individual result.
/**
* Load entire datalist in memory.
*
* This could cause OOM problems if the datalists table is large.
*
* @todo make a list of datalists that we want to get in one grab
*
* @return array
* @access private
*/
function loadAll()
{
$result = $this->db->getData("SELECT * FROM {$this->table}");
$map = array();
if (is_array($result)) {
foreach ($result as $row) {
$map[$row->name] = $row->value;
$this->cache->put($row->name, $row->value);
}
}
return $map;
}
/**
* Save URL data to the database
*
* @param string $url URL
* @param array $data Data
* @return boolean
*/
public function save($url, $data = false)
{
if (!$url) {
return false;
}
$dbprefix = elgg_get_config('dbprefix');
$result = insert_data("\n\t\t\tINSERT INTO {$dbprefix}scraper_data\n\t\t\tSET url = :url,\n\t\t\t hash = :hash,\n\t\t\t\tdata = :data\n\t\t\tON DUPLICATE KEY UPDATE\n\t\t\t data = :data\n\t\t", [':url' => (string) $url, ':data' => serialize($data), ':hash' => sha1($url)]);
if ($result) {
$this->cache->put(sha1($url), $data);
return true;
}
return false;
}
/**
* Cache a reference to this plugin by its ID
*
* @param \ElggPlugin $plugin
*
* @access private
*/
function cache(\ElggPlugin $plugin)
{
$this->plugins_by_id->put($plugin->getID(), $plugin);
}