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34 lines
623 B
PHP
34 lines
623 B
PHP
<?php
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/*
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* DesignPatternPHP
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*/
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namespace DesignPatterns\Command;
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/**
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* Invoker is using the command given to it.
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* Example : an Application in SF2
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*/
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class Invoker
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{
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protected $command;
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/**
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* In the invoker we find this kind of method for subscribing the command.
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* There can be also a stack, a list, a fixed set...
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*/
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public function setCommand(Command $cmd)
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{
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$this->command = $cmd;
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}
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public function run()
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{
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// here is a key feature of the invoker
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// the invoker is the same whatever is the command
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$this->command->execute();
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}
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} |