AbstractRelationDecorator.php

<?php declare(strict_types=1);
/*
 * Copyright (C) 2016-2017 IRSTEA
 * All rights reserved.
 */

namespace Irstea\PlantUmlBundle\Model\Decorator;

use Irstea\PlantUmlBundle\Model\ArrowInterface;
use Irstea\PlantUmlBundle\Model\ClassVisitorInterface;
use Irstea\PlantUmlBundle\Model\DecoratorInterface;
use Irstea\PlantUmlBundle\Model\NodeInterface;

/**
 * Description of InheritanceDecorator.
 */
abstract class AbstractRelationDecorator implements DecoratorInterface
{
    /**
     * @param NodeInterface         $source
     * @param array                 $classNames
     * @param ClassVisitorInterface $visitor
     */
    protected function visitRelations(NodeInterface $source, array $classNames, ClassVisitorInterface $visitor)
    {
        foreach ($classNames as $className) {
            $target = $visitor->visitClass($className);
            if ($target) {
                $source->addArrow($this->buildRelation($source, $target));
            }
        }
    }

    /**
     * @param NodeInterface $source
     * @param NodeInterface $target
     *
     * @return ArrowInterface
     */
    abstract protected function buildRelation(NodeInterface $source, NodeInterface $target);
}