<?php

declare(strict_types=1);

namespace ProxyManager\ProxyGenerator\LazyLoadingValueHolder\MethodGenerator;

use ProxyManager\Generator\MethodGenerator;
use Zend\Code\Generator\PropertyGenerator;

/**
 * Implementation for {@see \ProxyManager\Proxy\LazyLoadingInterface::isProxyInitialized}
 * for lazy loading value holder objects
 *
 * @author Marco Pivetta <ocramius@gmail.com>
 * @license MIT
 */
class IsProxyInitialized extends MethodGenerator
{
    /**
     * Constructor
     *
     * @param PropertyGenerator $valueHolderProperty
     *
     * @throws \Zend\Code\Generator\Exception\InvalidArgumentException
     */
    public function __construct(PropertyGenerator $valueHolderProperty)
    {
        parent::__construct('isProxyInitialized');
        $this->setReturnType('bool');
        $this->setBody('return null !== $this->' . $valueHolderProperty->getName() . ';');
    }
}