protected static function loadDefault(Iface $stockpile, $name, $dsn)
{
$db = Connection::instance($dsn);
if (!$db instanceof \Gaia\DB\ExtendedIface) {
$db = new \Gaia\DB($db);
}
if ($db->isa('mysql')) {
$classname = 'Gaia\\Stockpile\\Storage\\MySQL\\' . $name;
} elseif ($db->isa('sqlite')) {
$classname = 'Gaia\\Stockpile\\Storage\\SQLite\\' . $name;
} else {
throw new Exception('invalid db driver', $db);
}
$table = $stockpile->app() . '_stockpile_' . constant($classname . '::TABLE');
$object = new $classname($db, $table, $stockpile->user());
if (!\Gaia\Stockpile\Storage::isAutoSchemaEnabled()) {
return $object;
}
$cache = new Store\Gate(new Store\Apc());
$key = 'stockpile/storage/__create/' . md5($dsn . '/' . Connection::version() . '/' . $table . '/' . $classname);
if ($cache->get($key)) {
return $object;
}
if (!$cache->add($key, 1, 60)) {
return $object;
}
$object->create();
return $object;
}
/**
* pass in two accounts, always.
*/
public function __construct(Iface $core, Iface $other)
{
parent::__construct($core);
if (Transaction::atStart()) {
throw $this->handle(new Exception('need transaction to transfer'));
}
if ($core->app() == $other->app() && $core->user() == $other->user()) {
throw $this->handle(new Exception('need two different parties to trade'));
}
if ($core->coreType() == $this->coreType()) {
throw $this->handle(new Exception('core must not be a transfer'));
}
if ($other->coreType() == $this->coreType()) {
throw $this->handle(new Exception('other must not be a transfer'));
}
if ($core->coreType() != $other->coreType() && $core->coreType() != 'serial-tally' && $other->coreType() != 'serial-tally') {
throw $this->handle(new Exception('both must be of same coretype in a transfer'));
}
$this->other = $other;
}