public function next()
{
$this->current = null;
if (($restore = $this->statement->fetch(\PDO::FETCH_ASSOC)) !== false) {
$this->current = clone $this->storable;
$this->current->schema()->validate($restore);
if (isset($restore['guid'])) {
$this->current->guid($restore['guid']);
$this->storage->register($this->current);
}
$this->current->restore($restore);
}
}
/**
* @param IStorable $storable
*
* @return IStorable
* @throws StorageException
*/
public function load(IStorable $storable)
{
if ($this->hasStorable($guid = $storable->guid())) {
return $this->storable($guid);
}
$selectQuery = new SelectQuery();
$guid = $storable->guid();
$selectQuery->select(new AsteriskFragment())->from(new SelectTable($storable->schema()->getName()))->where($this->whereIdentifier($guid));
if (($one = $this->select($selectQuery, $storable)->storable()) === null) {
throw new StorageException(sprintf('Storable [%s (%s)] not found by given guid [%s].', get_class($storable), $storable->schema()->getName(), $guid));
}
$this->register($one);
return $one;
}
public function save(IStorable $storable)
{
$this->createSchema($schema = $storable->schema());
$schema->validate($store = $storable->store($this));
/**
* exactly empty arrays are unmodified state; otherwise NULL is delete state
*/
if (is_array($store) && empty($store)) {
return $storable;
}
$guid = $this->hasStorable($guid = $storable->guid()) ? $guid : null;
$this->register($storable);
if (empty($store) && $guid !== null) {
$this->delete($storable);
} else {
if (!empty($store) && $guid === null) {
$this->create($storable, $store);
} else {
if (!empty($store) && $guid !== null) {
$this->update($storable, $store);
}
}
}
return $storable;
}
