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<?php

namespace DeliciousBrains\WPMDB\Container\DI\Definition;

use DeliciousBrains\WPMDB\Container\DI\Definition\Exception\DefinitionException;
/**
 * Extends an array definition by adding new elements into it.
 *
 * @since 5.0
 * @author Matthieu Napoli <matthieu@mnapoli.fr>
 */
class ArrayDefinitionExtension extends ArrayDefinition implements HasSubDefinition
{
    /**
     * @var ArrayDefinition
     */
    private $subDefinition;
    /**
     * {@inheritdoc}
     */
    public function getValues()
    {
        if (!$this->subDefinition) {
            return parent::getValues();
        }
        return \array_merge($this->subDefinition->getValues(), parent::getValues());
    }
    /**
     * @return string
     */
    public function getSubDefinitionName()
    {
        return $this->getName();
    }
    /**
     * {@inheritdoc}
     */
    public function setSubDefinition(Definition $definition)
    {
        if (!$definition instanceof ArrayDefinition) {
            throw new DefinitionException(\sprintf('Definition %s tries to add array entries but the previous definition is not an array', $this->getName()));
        }
        $this->subDefinition = $definition;
    }
}