/**
* Should use Yaml file to load cache options.
*/
public function __construct()
{
$primary = new Redis();
$primary->append(new Db());
$primary->append(new Memcached());
$this->_primary = $primary;
}
public function testAppend()
{
$redis = new Redis();
$db = new Db();
$redis->append($db);
$this->assertEquals($redis->getSuccessor(), $db);
}
public function get()
{
$key = 'db';
$redis = new Redis();
if ($value = $redis->get($key)) {
return $key;
} else {
$memcached = new Memcached();
if ($value = $memcached->get($key)) {
return $value;
} else {
$db = new Db();
if ($value = $db->get($key)) {
return $value;
}
}
}
return '';
}
