Completed
Push — master ( c41709...42f2c0 )
by Romain
9s
created

FormObjectHash::resetHash()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 4
rs 10
c 0
b 0
f 0
cc 1
eloc 2
nc 1
nop 0
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<?php
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/*
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 * 2017 Romain CANON <[email protected]>
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 *
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 * This file is part of the TYPO3 FormZ project.
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 * It is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License, either
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 * version 3 of the License, or any later version.
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 *
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 * For the full copyright and license information, see:
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 * http://www.gnu.org/licenses/gpl-3.0.html
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 */
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namespace Romm\Formz\Form;
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use Romm\Formz\Service\HashService;
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class FormObjectHash
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{
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    /**
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     * @var FormObject
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     */
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    protected $formObject;
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    /**
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     * @var string
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     */
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    protected $hash;
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    /**
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     * @param FormObject $formObject
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     */
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    public function __construct(FormObject $formObject)
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    {
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        $this->formObject = $formObject;
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    }
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    /**
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     * Returns the hash of the form object, which should be calculated only once
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     * for performance concerns.
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     *
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     * @return string
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     */
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    public function getHash()
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    {
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        if (null === $this->hash) {
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            $this->hash = $this->calculateHash();
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        }
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        return $this->hash;
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    }
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    /**
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     * Returns the calculated hash of the form object.
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     *
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     * @return string
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     */
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    protected function calculateHash()
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    {
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        return HashService::get()->getHash(serialize($this->formObject));
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    }
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    /**
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     * Resets the hash, which will be calculated on next access.
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     */
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    public function resetHash()
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    {
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        $this->hash = null;
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    }
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}
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