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53 lines
891 B
PHP
53 lines
891 B
PHP
<?php
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namespace DesignPatterns\Structural\Facade;
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/**
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*
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*
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*/
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class Facade
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{
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/**
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* @var OsInterface
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*/
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protected $os;
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/**
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* @var BiosInterface
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*/
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protected $bios;
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/**
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* This is the perfect time to use a dependency injection container
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* to create an instance of this class
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*
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* @param BiosInterface $bios
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* @param OsInterface $os
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*/
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public function __construct(BiosInterface $bios, OsInterface $os)
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{
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$this->bios = $bios;
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$this->os = $os;
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}
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/**
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* turn on the system
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*/
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public function turnOn()
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{
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$this->bios->execute();
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$this->bios->waitForKeyPress();
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$this->bios->launch($this->os);
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}
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/**
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* turn off the system
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*/
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public function turnOff()
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{
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$this->os->halt();
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$this->bios->powerDown();
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}
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}
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