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76 lines
2.0 KiB
PHP
76 lines
2.0 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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* Mediator.
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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 Mediator extends \Countable
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{
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/**
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* Attach a listener.
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*
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* Listeners will get called if a certain event gets triggered
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*
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* @param \string $event Event ID
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* @param \Closure $callback Function to call if the event gets triggered
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* @param \string $listener What class is attaching this listener
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*
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* @return \string UID for the listener
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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(\string $event, \Closure $callback = null, \string $listener = null) : \string;
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/**
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* Removing a listener.
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*
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* @param \int $event ID of the listener
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*
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* @return \bool
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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(\int $event);
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/**
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* Trigger event.
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*
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* An object fires an event
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*
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* @param \string $event Event ID
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* @param \Closure $callback Callback function of the event. This will get triggered after firering all listener callbacks.
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* @param \string $source What class is invoking this event
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*
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* @return \int
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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 trigger(\string $event, \Closure $callback = null, \string $source = null) : \int;
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}
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