AstroFields/Core

<?php

namespace Astro;

use WCM\AstroFields\Core\Mediators\EntityInterface;

class BuilderFactory extends \SplObjectStorage implements \SeekableIterator
{
    private static $instance;

    /**
     * Sets up a static instance of the Container if there is none yet.
     * If the Container already exists, it just provides access to the storage.
     * @return BuilderFactory
     */
    public static function instance()
    {
        is_null( self::$instance ) and self::$instance = new self;
        return self::$instance;
    }

    /**
     * Search for an object by name and return it.
     * @param int $name
     * @return bool|object Returns false if not found
     */
    public function seek( $name )
    {
        $this->rewind();
        while ( $this->valid() )
        {
            if (
                method_exists( $this->current(), 'getKey' )
                and $this->current()->getKey() === $name
            )
                return $this->current();

            $this->next();
        }
        return false;
    }

    /**
     * @param \SplObjectStorage $entity
     * @return array
     */
    public function getErrors( \SplObjectStorage $entity )
    {
        $errors = array();
        foreach( $this as $entity )
        {
            is_wp_error( $this->getInfo() )
                and $errors[] = $this->getInfo();
        }

        return $errors;
    }
}