AbstractNamespace.php 1.14 KB
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<?php

/*
 * © 2016 IRSTEA
 * Guillaume Perréal <guillaume.perreal@irstea.fr>
 * Tous droits réservés.
 */

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namespace Irstea\PlantUmlBundle\Model\Namespace_;
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use Irstea\PlantUmlBundle\Model\NamespaceInterface;
use Irstea\PlantUmlBundle\Model\NodeInterface;
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use Irstea\PlantUmlBundle\Writer\WritableInterface;
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use Irstea\PlantUmlBundle\Writer\WriterInterface;

/**
 * Description of Namespace
 *
 * @author Guillaume Perréal <guillaume.perreal@irstea.fr>
 */
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abstract class AbstractNamespace implements WritableInterface, NamespaceInterface
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{
    /**
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     * @var NodeInterface[]
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     */
    private $nodes = [];

    /**
     *
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     * @param NodeInterface $node
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     */
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    public function addNode(NodeInterface $node)
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    {
        $this->nodes[] = $node;
        return $this;
    }

    /**
     * @param WriterInterface $writer
     * @return self
     */
    protected function outputNodesTo(WriterInterface $writer)
    {
        foreach ($this->nodes as $node) {
            $node->outputTo($writer);
        }
        return $this;
    }

    /**
     * @return bool
     */
    protected function isEmpty()
    {
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        return empty($this->nodes);
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    }
}