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43 lines
906 B
PHP
43 lines
906 B
PHP
<?php
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namespace DesignPatterns\More\Repository;
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/**
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* Interface Storage.
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*
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* This interface describes methods for accessing storage.
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* Concrete realization could be whatever we want - in memory, relational database, NoSQL database and etc
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*/
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interface Storage
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{
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/**
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* Method to persist data
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* Returns new id for just persisted data.
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*
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* @param array() $data
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*
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* @return int
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*/
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public function persist($data);
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/**
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* Returns data by specified id.
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* If there is no such data null is returned.
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*
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* @param int $id
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*
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* @return array|null
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*/
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public function retrieve($id);
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/**
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* Delete data specified by id
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* If there is no such data - false returns, if data has been successfully deleted - true returns.
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*
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* @param int $id
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*
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* @return bool
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*/
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public function delete($id);
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}
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