uf2/inc/askModel.class.php

<?php

abstract class AskModel
{
	protected $models = array();
	
	function loadModel($model)
	{
		if (file_exists('./inc/models/'.$model.'.class.php') && !array_key_exists($model, $this->models)) //realizowany singleton
		{
			require_once('./inc/models/'.$model.'.class.php');
			$this->models[$model] = new $model($this->db);
		}
		else
		{
			throw new Exception('Could not load selected model: '.$model);
		}
	}
	
	function getModel($model)
	{
		if (array_key_exists($model, $this->models))
			return $this->models[$model];
		else
			throw new Exception('Could not get selected model: '.$model);
	}
	
	function putExistingModel($model, &$model_ptr)
	{
		$this->models[$model] = $model_ptr;
	}
}

?>