DesignPatternsPHP/More/Repository/Storage.php at flyweight · JavaDevl/DesignPatternsPHP · GitHub

42 lines (38 loc) · 906 Bytes

<?php

namespace DesignPatterns\More\Repository;

/**

* Interface Storage.

* This interface describes methods for accessing storage.

* Concrete realization could be whatever we want - in memory, relational database, NoSQL database and etc

interface Storage

{

/**

* Method to persist data

* Returns new id for just persisted data.

* @param array() $data

* @return int

public function persist($data);

/**

* Returns data by specified id.

* If there is no such data null is returned.

* @param int $id

* @return array|null

public function retrieve($id);

/**

* Delete data specified by id

* If there is no such data - false returns, if data has been successfully deleted - true returns.

* @param int $id

* @return bool

public function delete($id);

}

Expand file tree