102 lines
2.9 KiB
PHP
102 lines
2.9 KiB
PHP
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<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2017 (original work) Open Assessment Technologies SA;
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*
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*/
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class common_persistence_InMemoryAdvKvDriver extends common_persistence_InMemoryKvDriver implements common_persistence_AdvKvDriver
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{
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const HPREFIX = 'hPrfx_';
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/**
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*
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* @see common_persistence_Driver::connect()
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*/
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function connect($id, array $params)
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{
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return new \common_persistence_AdvKeyValuePersistence($params, $this);
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}
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public function hmSet($key, $fields)
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{
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if (!is_array($fields)) {
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return false;
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}
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foreach ($fields as $hashkey => $value) {
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$this->persistence[$key][self::HPREFIX . $hashkey] = $value;
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}
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return true;
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}
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public function hExists($key, $field)
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{
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return $this->hGet($key, $field) !== false;
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}
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public function hSet($key, $field, $value)
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{
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$result = !isset($this->persistence[$key][self::HPREFIX . $field]);
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$this->persistence[$key][self::HPREFIX . $field] = $value;
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return $result;
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}
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public function hGet($key, $field)
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{
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if (
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! isset($this->persistence[$key])
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|| ! isset($this->persistence[$key][self::HPREFIX . $field])
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) {
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return false;
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}
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return $this->persistence[$key][self::HPREFIX . $field];
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}
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public function hDel($key, $field): bool
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{
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if (!isset($this->persistence[$key]) || !isset($this->persistence[$key][self::HPREFIX . $field])) {
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return false;
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}
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unset($this->persistence[$key][self::HPREFIX . $field]);
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return true;
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}
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public function hGetAll($key)
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{
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if (! isset($this->persistence[$key])) {
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return [];
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}
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$data = [];
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$prefixLength = strlen(self::HPREFIX);
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foreach ($this->persistence[$key] as $hash => $attributes) {
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if (mb_substr($hash, 0, $prefixLength) === self::HPREFIX) {
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$data[mb_substr($hash, $prefixLength)] = $this->persistence[$key][$hash];
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}
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}
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return $data;
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}
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public function keys($pattern)
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{
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if ($pattern == '*') {
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return array_keys($this->persistence);
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}
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return [];
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}
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}
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