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31 lines
685 B
PHP
31 lines
685 B
PHP
<?php
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declare(strict_types=1);
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namespace DesignPatterns\Structural\Flyweight;
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/**
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* A factory manages shared flyweights. Clients should not instantiate them directly,
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* but let the factory take care of returning existing objects or creating new ones.
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*/
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class FlyweightFactory implements \Countable
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{
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/**
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* @var CharacterFlyweight[]
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*/
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private $pool = [];
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public function get(string $name): CharacterFlyweight
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{
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if (!isset($this->pool[$name])) {
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$this->pool[$name] = new CharacterFlyweight($name);
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}
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return $this->pool[$name];
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}
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public function count(): int
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{
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return count($this->pool);
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}
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}
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