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<?php
/**
* @file StorableCollection.php
*
* @brief A object that contains DatajarBase-derived objects. It is mostly used
* to contain children of DatajarBase objects within themselves.
*
* This is also a class factory that can instanciate new objects bound to the
* original.
*
* Copyright © 2012 Guillaume Pasquet
*
* This file is part of Datajar.
*
* Datajar is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* Datajar is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Datajar. If not, see <http://www.gnu.org/licenses/>.
*/
class DatajarCollection
{
protected $objects = array();
protected $mother;
public function __construct(&$mother)
{
$this->mother = $mother;
}
public function load($id)
{
$children = DatajarSchema::get_relations(get_class($this->mother));
foreach($children as $relation) {
$this->objects[$rel['class']] =
$child_class::objects(array($rel['var'] => $id));
}
}
public function add(&$obj)
{
$children = DatajarSchema::get_child_classes(get_class($this->mother));
if(in_array(get_class($obj), $children)) {
$this->objects[get_class($obj)][] = &$obj;
}
/*$children = DatajarSchema::get_relations(get_class($this->mother));
$var = "";
foreach($children as $rel) {
if($rel['class'] == get_class($obj)) {
$var = $rel['var'];
break;
}
}
if($var != "") {
$obj->$var = $this->mother->id;
}*/
return $obj;
}
protected function walk_objects($func, array $args)
{
$outp = array();
foreach($this->objects as $objects) {
foreach($objects as $object) {
$outp[] = call_user_func_array(array($object, $func), $args);
}
}
return $outp;
}
public function save()
{
return $this->walk_objects('save', func_get_args());
}
public function delete()
{
return $this->walk_objects('delete', func_get_args());
}
public function drop()
{
return $this->walk_objects('drop', func_get_args());
}
}
?>
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