Subversion Repositories eFlore/Projets.eflore-projets

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536 gduche 1 
<?php
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class CacheEflore {
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	private $service;
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	private $config;
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	private $dureecache = 0;
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	private $projetNom;
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	private $serviceNom;
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	private $cache;
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	private $cacheActif;
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	public function __construct($service, $projetNom, $serviceNom, $cacheActif) {
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		$this->cacheActif = $cacheActif;
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		$this->service = $service;
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		$this->chargerDureeCache();
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		$this->projetNom = $projetNom;
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		$this->serviceNom = $serviceNom;
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		$this->cache = new CacheSimple(array(
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			"mise_en_cache" => true,
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			"stockage_chemin" => Config::get('chemin_cache').'services'.DS,
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			"duree_de_vie" => $this->dureecache));
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	}
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	public function chargerDureeCache() {
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		if ($this->cacheActif == "1") {
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			$this->dureecache = Commun::getDureeCache();
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		}
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	}
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	public function consulter() {
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		list($ressources, $parametres) = func_get_args();
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		$args = func_get_args(); // XXX: PHP-5.3
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		$id = $this->genererID($ressources, $parametres);
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		$retour = unserialize($this->cache->charger($id));
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		if ($retour == false) {
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			$retour = call_user_func_array(array($this, 'mettreEnCache'),
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										   $args);
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		}
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		return $retour;
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	}
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	public function mettreEnCache() {
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		list($ressources, $parametres) = func_get_args();
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		$args = func_get_args(); // XXX: PHP-5.3
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		$retour = call_user_func_array(array($this->service, 'consulter'),
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									   $args);
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		$id = $this->genererID($ressources, $parametres);
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		if ($this->dureecache > 0) {
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			$this->cache->sauver(serialize($retour), $id);
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		}
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		return $retour;
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	}
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	public function genererID($ressources, $parametres) {
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		$chaineRessources = "";
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		$chaineParametres = "";
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		if (count($ressources) > 0) {
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			foreach ($ressources as $key => $val) {
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				$chaineRessources .= "$key:$val;";
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			}
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		}
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		if (count($parametres) > 0) {
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			foreach ($parametres as $key => $val) {
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				$chaineParametres .= "$key:$val;";
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			}
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		}
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		$chaineMD5 = $this->projetNom.'/'.$this->serviceNom.'/'.md5($chaineRessources.$chaineParametres);
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		return $chaineMD5;
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	}
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}
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?>