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67 lines
1.3 KiB
PHP
67 lines
1.3 KiB
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.0
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*
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* @category TBD
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* @package TBD
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @copyright 2013 Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link http://orange-management.com
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*/
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namespace phpOMS\Pattern;
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/**
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* Subject.
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*
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* @category Pattern
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* @package Framework
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @license OMS License 1.0
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* @link http://orange-management.com
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* @since 1.0.0
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*/
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interface Subject
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{
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/**
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* Attach observer to subject.
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*
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* @param Observer $observer Observer
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*
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* @return void
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*
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* @since 1.0.0
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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*/
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public function attach(Observer $observer);
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/**
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* Detach observer.
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*
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* @param Observer $observer Observer
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*
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* @return void
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*
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* @since 1.0.0
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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*/
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public function detach(Observer $observer);
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/**
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* Notify observer of change.
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*
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* @return void
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*
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* @since 1.0.0
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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*/
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public function notify();
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}
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