TableCache.php

Go to the documentation of this file.

<?php

namespace Ubiquity\cache\database;

use Ubiquity\utils\base\UArray;

class TableCache extends DbCache {
    protected $arrayCache;

    public function store($tableName, $condition, $result) {
        $exists = $this->getCache ( $tableName );
        $exists [$this->getKey ( $condition )] = $result;
        $this->cache->store ( $tableName, "return " . UArray::asPhpArray ( $exists, "array" ) . ";" );
    }

    public function getCache($tableName) {
        if ($this->cache->exists ( $tableName ))
            return $this->cache->fetch ( $tableName );
        return [ ];
    }

    protected function getArrayCache($tableName) {
        if (isset ( $this->arrayCache [$tableName] ))
            return $this->arrayCache [$tableName];
        if ($this->cache->exists ( $tableName )) {
            return $this->arrayCache [$tableName] = $this->cache->fetch ( $tableName );
        }
        return false;
    }

    public function fetch($tableName, $condition) {
        if ($cache = $this->getArrayCache ( $tableName )) {
            $key = $this->getKey ( $condition );
            if (isset ( $cache [$key] ))
                return $cache [$key];
        }
        return false;
    }

    public function delete($tableName, $condition) {
        if ($cache = $this->getArrayCache ( $tableName )) {
            $key = $this->getKey ( $condition );
            if (isset ( $cache [$key] )) {
                unset ( $cache [$key] );
                $this->cache->store ( $tableName, "return " . UArray::asPhpArray ( $cache, "array" ) . ";" );
            }
        }
    }
}