<?php
/**
 * @version		1.0.0
 * @category	Anahita Social Engine™
 * @copyright	Copyright (C) 2008 - 2010 rmdStudio Inc. and Peerglobe Technology Inc. All rights reserved.
 * @license		GNU GPLv2 <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
 * @link     	http://www.anahitapolis.com
 */

 class AnDomainCollectionQueriable extends AnDomainCollectionPage 
{	
	/**
	 * 
	 * 
	 */
	protected $_entities;
	
	/**
	 * 
	 * @return 
	 * @param $options Object[optional]
	 */
	public function __construct($options=array())
	{										
		parent::__construct();
		$this->_query  = $options['query'];
		$this->mixin( $this->_query );
	}
	
	/**
	 * Load the entities before getting count of the entities
	 * @return 
	 */
    public function count()
    {       
        $this->fetchAll();
	   return parent::count();
    }
	
	/**
	 * Load the entities before getting an entity of offset
	 * @return 
	 * @param $offset Object
	 */
	public function offsetGet($offset)
	{
        $this->fetchAll();
        return parent::offsetGet($offset);
	}
			
	/**
	 * Fetch the queried entities and set them in the collection
	 * @return 
	 */
	public function fetchAll()
	{		
		if ( !$this->_entities ) 
		{
			$this->_entities = $this->getQuery()->getMapper()->fetchAll($this->getQuery());
			$this->setArray($this->_entities);
		}
		return $this;
	}
	
	/**
	 * Get collection query
	 * @return 
	 */
	public function getQuery()
	{
		return $this->_query;
	}
	
	/**
	 * 
	 * @return 
	 */
	public function getIterator()
	{
		$this->fetchAll();
		return parent::getIterator();
	}
	
	/**
	 * 
	 * @return 
	 * @param $method Object
	 * @param $args Object
	 */
	public function __call($method, $args)
	{			
		$object = parent::__call($method, $args);

		if ( $object === $this->getQuery() )
			return $this;
			
		return $object; 
	}	
	
}