123 lines
3.5 KiB
PHP
123 lines
3.5 KiB
PHP
<?php
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/**
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*
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* This file is part of phpFastCache.
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*
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* @license MIT License (MIT)
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*
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* For full copyright and license information, please see the docs/CREDITS.txt file.
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*
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* @author Khoa Bui (khoaofgod) <khoaofgod@gmail.com> http://www.phpfastcache.com
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* @author Georges.L (Geolim4) <contact@geolim4.com>
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*
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*/
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namespace phpFastCache;
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use phpFastCache\Exceptions\phpFastCacheInvalidArgumentException;
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/**
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* Class CacheManager
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* @package phpFastCache
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*
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* == ItemPool Events ==
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* @method Void onCacheGetItem() onCacheGetItem(Callable $callable)
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* @method Void onCacheDeleteItem() onCacheDeleteItem(Callable $callable)
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* @method Void onCacheSaveItem() onCacheSaveItem(Callable $callable)
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* @method Void onCacheSaveDeferredItem() onCacheSaveDeferredItem(Callable $callable)
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* @method Void onCacheCommitItem() onCacheCommitItem(Callable $callable)
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* @method Void onCacheClearItem() onCacheClearItem(Callable $callable)
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* @method Void onCacheWriteFileOnDisk() onCacheWriteFileOnDisk(Callable $callable)
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* @method Void onCacheGetItemInSlamBatch() onCacheGetItemInSlamBatch(Callable $callable)
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*
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* == Item Events ==
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* @method Void onCacheItemSet() onCacheItemSet(Callable $callable)
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* @method Void onCacheItemExpireAt() onCacheItemExpireAt(Callable $callable)
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* @method Void onCacheItemExpireAfter() onCacheItemExpireAfter(Callable $callable)
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*
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*
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*/
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class EventManager
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{
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/**
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* @var $this
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*/
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protected static $instance;
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/**
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* @var array
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*/
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protected $events = [];
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/**
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* @return \phpFastCache\EventManager
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*/
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public static function getInstance()
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{
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return (self::$instance ?: self::$instance = new self);
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}
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/**
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* EventManager constructor.
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*/
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protected function __construct()
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{
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}
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/**
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* @param string $eventName
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* @param array ...$args
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*/
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public function dispatch($eventName, ...$args)
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{
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/**
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* Replace array_key_exists by isset
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* due to performance issue on huge
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* loop dispatching operations
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*/
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if (isset($this->events[ $eventName ])) {
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foreach ($this->events[ $eventName ] as $event) {
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call_user_func_array($event, $args);
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}
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}
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}
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/**
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* @param string $name
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* @param array $arguments
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* @throws phpFastCacheInvalidArgumentException
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* @throws \BadMethodCallException
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*/
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public function __call($name, $arguments)
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{
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if (strpos($name, 'on') === 0) {
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$name = substr($name, 2);
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if (is_callable($arguments[ 0 ])) {
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if (isset($arguments[ 1 ]) && is_string($arguments[ 0 ])) {
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$this->events[ $name ][ $arguments[ 1 ] ] = $arguments[ 0 ];
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} else {
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$this->events[ $name ][] = $arguments[ 0 ];
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}
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} else {
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throw new phpFastCacheInvalidArgumentException(sprintf('Expected Callable, got "%s"', gettype($arguments[ 0 ])));
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}
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} else {
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throw new \BadMethodCallException('An event must start with "on" such as "onCacheGetItem"');
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}
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}
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/**
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* @param $eventName
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* @param $callbackName
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* @return bool
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*/
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public function unbindEventCallback($eventName, $callbackName)
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{
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if (isset($this->events[ $eventName ][ $callbackName ])) {
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unset($this->events[ $eventName ][ $callbackName ]);
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return true;
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}
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return false;
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}
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}
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