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<?php declare(strict_types=1); |
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namespace Limoncello\RedisTaggedCache\Scripts; |
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/** |
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* Copyright 2015-2019 [email protected] |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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use function assert; |
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/** |
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* @package Limoncello\RedisTaggedCache |
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*/ |
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class RedisTaggedScripts |
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{ |
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/** @var int Script index */ |
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const ADD_VALUE_SCRIPT_INDEX = 0; |
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/** @var int Script index */ |
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const REMOVE_VALUE_SCRIPT_INDEX = self::ADD_VALUE_SCRIPT_INDEX + 1; |
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/** @var int Script index */ |
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const INVALIDATE_TAG_SCRIPT_INDEX = self::REMOVE_VALUE_SCRIPT_INDEX + 1; |
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/** |
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* @param int $scriptIndex |
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* |
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* @return string |
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*/ |
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public static function getScriptBody(int $scriptIndex): string |
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{ |
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$scriptFolder = __DIR__ . DIRECTORY_SEPARATOR; |
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switch ($scriptIndex) { |
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case static::ADD_VALUE_SCRIPT_INDEX: |
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return file_get_contents($scriptFolder . 'Add.lua'); |
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case static::REMOVE_VALUE_SCRIPT_INDEX: |
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return file_get_contents($scriptFolder . 'RemoveImpl.lua') . |
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file_get_contents($scriptFolder . 'Remove.lua'); |
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default: |
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assert($scriptIndex === static::INVALIDATE_TAG_SCRIPT_INDEX); |
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return file_get_contents($scriptFolder . 'RemoveImpl.lua') . |
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file_get_contents($scriptFolder . 'InvalidateTag.lua'); |
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} |
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} |
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/** |
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* @param int $scriptIndex |
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* |
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* @return string |
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*/ |
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public static function getScriptDigest(int $scriptIndex): string |
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{ |
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assert( |
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$scriptIndex === static::ADD_VALUE_SCRIPT_INDEX || |
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$scriptIndex === static::REMOVE_VALUE_SCRIPT_INDEX || |
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$scriptIndex === static::INVALIDATE_TAG_SCRIPT_INDEX |
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); |
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$sha1 = [ |
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static::ADD_VALUE_SCRIPT_INDEX => '0aa6dbf4cc17ca0a261c4664ef6fe5fe9cd44fd0', |
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static::REMOVE_VALUE_SCRIPT_INDEX => 'bb69c1c4da3c4ec6afe545e893e5521bc2e7191e', |
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static::INVALIDATE_TAG_SCRIPT_INDEX => '96181c1772cea8dd3a74a09d749ef20bb7f0349f', |
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][$scriptIndex]; |
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assert( |
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$sha1 === sha1(static::getScriptBody($scriptIndex)), |
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"Script body with ID `$scriptIndex` do not match expected sha1 " . |
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sha1(static::getScriptBody($scriptIndex)) |
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); |
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return $sha1; |
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} |
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} |
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limoncello-php-dist /
redis-tagged-cache
