public function __construct($id = NULL)
{
parent::__construct($id);
$this->_CI_load('library', 'kals_resource/Domain', 'domain');
$this->_CI_load('library', 'kals_actor/Group', 'group');
$this->_CI_load('library', 'kals_actor/User', 'user');
return $this;
}
/**
* 設定合集內成員
* @param integer|Generic_object|array|Generic_collection $coll
* 可以輸入Generic_object的ID(int)、Generic_object本身、包含Generic_object的陣列(array)、或是Generic_collection
* @return Generic_collection
*/
public function set_members($coll)
{
if (is_int($coll) && isset($this->index_object)) {
$coll = $this->index_object->filter_object($coll);
}
if (is_class($coll, $this->class_name)) {
$coll = array($coll);
}
$this->members = array();
foreach ($coll as $item) {
$this->members[] = $item;
}
$this->modified = TRUE;
$this->is_loaded = TRUE;
return $this;
}
/**
* 檢查單一約束
* @param Generic_object $go
* @return boolean
*/
protected static function _check_unique(Generic_object $go)
{
$pass = TRUE;
$restriction = $go->unique_restriction;
$where = array();
$full_data = TRUE;
foreach ($restriction as $field) {
$where[$field] = $go->get_field($field);
if (is_null($where[$field])) {
$full_data = FALSE;
break;
}
}
if (TRUE === $full_data && count($where) > 0) {
$result_num = self::_get_result_num($go, $where);
if ($result_num > 0) {
$pass = FALSE;
}
}
return $pass;
}
/**
* 刪除時，同時刪除檔案系統中的檔案
*/
public function delete()
{
$this->delete_file();
if ($this->CI->config->item("reserve_original") === TRUE && $this->is_original() === FALSE && is_object($this->get_original_bitstream())) {
$original_bitstream = $this->get_original_bitstream();
if ($original_bitstream->is_deleted() === FALSE) {
$original_bitstream->delete();
}
}
parent::delete();
}