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<?php// This file is part of Moodle - http://moodle.org///// Moodle is free software: you can redistribute it and/or modify// it under the terms of the GNU General Public License as published by// the Free Software Foundation, either version 3 of the License, or// (at your option) any later version.//// Moodle is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the// GNU General Public License for more details.//// You should have received a copy of the GNU General Public License// along with Moodle. If not, see <http://www.gnu.org/licenses/>./*** Core cache definitions.** This file is part of Moodle's cache API, affectionately called MUC.* It contains the components that are requried in order to use caching.** @package core* @category cache* @copyright 2012 Sam Hemelryk* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later*/$definitions = array(// Used to store processed lang files.// The keys used are the revision, lang and component of the string file.// The static acceleration size has been based upon student access of the site.'string' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'staticaccelerationsize' => 30,'canuselocalstore' => true,),// Used to store cache of all available translations.'langmenu' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'canuselocalstore' => true,),// Used to store database meta information.// The database meta information includes information about tables and there columns.// Its keys are the table names.// When creating an instance of this definition you must provide the database family that is being used.'databasemeta' => array('mode' => cache_store::MODE_APPLICATION,'requireidentifiers' => array('dbfamily'),'simpledata' => true, // This is a read only class, so leaving references in place is safe.'staticacceleration' => true,'staticaccelerationsize' => 15),// Event invalidation cache.// This cache is used to manage event invalidation, its keys are the event names.// Whenever something is invalidated it is both purged immediately and an event record created with the timestamp.// When a new cache is initialised all timestamps are looked at and if past data is once more invalidated.// Data guarantee is required in order to ensure invalidation always occurs.// Persistence has been turned on as normally events are used for frequently used caches and this event invalidation// cache will likely be used either lots or never.'eventinvalidation' => array('mode' => cache_store::MODE_APPLICATION,'staticacceleration' => true,'requiredataguarantee' => true,'simpledata' => true,),// Hook callbacks cache.// There is a static cache in hook manager, data is fetched once per page on first hook execution.// This cache needs to be invalidated during upgrades when code changes and when callbacks// overrides are updated.'hookcallbacks' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => false,// WARNING: Manual cache purge may be required when overriding hook callbacks.'canuselocalstore' => true,),// Cache for question definitions. This is used by the question_bank class.// Users probably do not need to know about this cache. They will just call// question_bank::load_question.'questiondata' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true, // The id of the question is used.'requiredataguarantee' => false,'datasource' => 'question_finder','datasourcefile' => 'question/engine/bank.php',),// HTML Purifier cache// This caches the html purifier cleaned text. This is done because the text is usually cleaned once for every user// and context combo. Text caching handles caching for the combination, this cache is responsible for caching the// cleaned text which is shareable.'htmlpurifier' => array('mode' => cache_store::MODE_APPLICATION,'canuselocalstore' => true,),// Used to store data from the config + config_plugins table in the database.// The key used is the component:// - core for all core config settings// - plugin component for all plugin settings.// Persistence is used because normally several settings within a script.'config' => array('mode' => cache_store::MODE_APPLICATION,'staticacceleration' => true,'simpledata' => true),// Groupings belonging to a course.// A simple cache designed to replace $GROUPLIB_CACHE->groupings.// Items are organised by course id and are essentially course records.'groupdata' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true, // The course id the groupings exist for.'simpledata' => true, // Array of stdClass objects containing only strings.'staticacceleration' => true, // Likely there will be a couple of calls to this.'staticaccelerationsize' => 2, // The original cache used 1, we've increased that to two.),// Whether a course currently has hidden groups.'coursehiddengroups' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true, // The course id the groupings exist for.'simpledata' => true, // Booleans.'staticacceleration' => true, // Likely there will be a couple of calls to this.),// Used to cache calendar subscriptions.'calendar_subscriptions' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,),// Cache the course categories where the user has any enrolment and all categories that this user can manage.'calendar_categories' => array('mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true,'invalidationevents' => array('changesincoursecat','changesincategoryenrolment',),'ttl' => 900,),// Cache the capabilities list DB table. See get_all_capabilities and get_deprecated_capability_info in accesslib.'capabilities' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'staticaccelerationsize' => 2, // Should be main capabilities and deprecated capabilities.'ttl' => 3600, // Just in case.),// YUI Module cache.// This stores the YUI module metadata for Shifted YUI modules in Moodle.'yuimodules' => array('mode' => cache_store::MODE_APPLICATION,),// Cache for the list of event observers.'observers' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'staticaccelerationsize' => 2,),// Cache used by the {@link core_plugin_manager} class.// NOTE: this must be a shared cache.'plugin_manager' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,),// Used to store the full tree of course categories.'coursecattree' => array('mode' => cache_store::MODE_APPLICATION,'staticacceleration' => true,'invalidationevents' => array('changesincoursecat',)),// Used to store data for course categories visible to current user. Helps to browse list of categories.'coursecat' => array('mode' => cache_store::MODE_SESSION,'invalidationevents' => array('changesincoursecat','changesincourse',),'ttl' => 600,),// Used to store data for course categories visible to current user. Helps to browse list of categories.'coursecatrecords' => array('mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'invalidationevents' => array('changesincoursecat',),),// Used to store state of sections in course (collapsed or not).'coursesectionspreferences' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'simpledata' => false,'staticacceleration' => true,],// Cache course contacts for the courses.'coursecontacts' => array('mode' => cache_store::MODE_APPLICATION,'staticacceleration' => true,'simplekeys' => true,'ttl' => 3600,),// Course reactive state cache.'courseeditorstate' => ['mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true,],// Course actions instances cache.'courseactionsinstances' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'simpledata' => false,'staticacceleration' => true,// Executing actions in more than 10 courses usually means executing the same action on each course// so there is no need for caching individual course instances.'staticaccelerationsize' => 10,],// Used to store data for repositories to avoid repetitive DB queries within one request.'repositories' => array('mode' => cache_store::MODE_REQUEST,),// Used to store external badges.'externalbadges' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'ttl' => 3600,),// Accumulated information about course modules and sections used to print course view page (user-independent).// Used in functions:// - course_modinfo::build_course_section_cache()// - course_modinfo::inner_build_course_cache()// - get_array_of_activities()// Reset/update in functions:// - rebuild_course_cache()// - course_modinfo::purge_module_cache()// - course_modinfo::purge_section_cache()// - remove_course_contents().'coursemodinfo' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'canuselocalstore' => true,'requirelockingbeforewrite' => true),// This is the session user selections cache.// It's a special cache that is used to record user selections that should persist for the lifetime of the session.// Things such as which categories the user has expanded can be stored here.// It uses simple keys and simple data, please ensure all uses conform to those two constraints.'userselections' => array('mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true),// Used to cache activity completion status.'completion' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'ttl' => 3600,'staticacceleration' => true,'staticaccelerationsize' => 2, // Should be current course and site course.),// Used to cache course completion status.'coursecompletion' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'ttl' => 3600,'staticacceleration' => true,'staticaccelerationsize' => 30, // Will be users list of current courses in nav.),// A simple cache that stores whether a user can expand a course in the navigation.// The key is the course ID and the value will either be 1 or 0 (cast to bool).// The cache isn't always up to date, it should only ever be used to save a costly call to// can_access_course on the first page request a user makes.'navigation_expandcourse' => array('mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true),// Caches suspended userids by course.// The key is the courseid, the value is an array of user ids.'suspended_userids' => array('mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'simpledata' => true,),// Cache system-wide role definitions.'roledefs' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'staticaccelerationsize' => 30,),// Caches plugins existing functions by function name and file.// Set static acceleration size to 5 to load a few functions.'plugin_functions' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'canuselocalstore' => true,'staticacceleration' => true,'staticaccelerationsize' => 5),// Caches data about tag collections and areas.'tags' => array('mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'staticacceleration' => true,),// Grade categories. Stored at session level as invalidation is very aggressive.'grade_categories' => array('mode' => cache_store::MODE_SESSION,'simplekeys' => true,'invalidationevents' => array('changesingradecategories',)),// Store temporary tables information.'temp_tables' => array('mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'simpledata' => true),// Caches tag index builder results.'tagindexbuilder' => array('mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simplevalues' => true,'staticacceleration' => true,'staticaccelerationsize' => 10,'ttl' => 900, // 15 minutes.'invalidationevents' => array('resettagindexbuilder',),),// Caches contexts with insights.'contextwithinsights' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'staticaccelerationsize' => 1),// Caches message processors.'message_processors_enabled' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'staticaccelerationsize' => 3),// Caches the time of the last message in a conversation.'message_time_last_message_between_users' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true, // The conversation id is used.'simplevalues' => true,'datasource' => '\core_message\time_last_message_between_users',),// Caches font awesome icons.'fontawesomeiconmapping' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'staticaccelerationsize' => 1),// Caches processed CSS.'postprocessedcss' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => false,),// Caches grouping and group ids of a user.'user_group_groupings' => array('mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,),// This is the user's pre sign-up session cache.// This cache is used to record the user's pre sign-up data such as// age of digital consent (minor) status, accepted policies, etc.'presignup' => array('mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true,'ttl' => 1800),// Caches the first time we analysed models' analysables.'modelfirstanalyses' => array('mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'simpledata' => true,),// Cache the list of portfolio instances for the logged in user// in the portfolio_add_button constructor to avoid loading the// same data multiple times.'portfolio_add_button_portfolio_instances' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'staticacceleration' => true],// Cache the user dates for courses set to relative dates mode.'course_user_dates' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true],// Information generated during the calculation of indicators.'calculablesinfo' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => false,'simpledata' => false,],// The list of content items (activities, resources and their subtypes) that can be added to a course for a user.'user_course_content_items' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,],// The list of favourited content items (activities, resources and their subtypes) for a user.'user_favourite_course_content_items' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,],\core_course\local\service\content_item_service::RECOMMENDATION_CACHE => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,],// Caches contentbank extensions management.'contentbank_enabled_extensions' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,],'contentbank_context_extensions' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,],// Language strings for H5P content-type libraries.// Key "{$libraryname}/{$language}"" contains translations for a given library and language.// Key "$libraryname" has a list of all of the available languages for the library.'h5p_content_type_translations' => ['mode' => cache_store::MODE_APPLICATION,'simpledata' => true,],// File cache for H5P Library ids.'h5p_libraries' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'canuselocalstore' => true],// File cache for H5P Library files.'h5p_library_files' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'canuselocalstore' => true],// Cache the grade letters for faster retrival.'grade_letters' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'staticacceleration' => true,'staticaccelerationsize' => 100],// Cache for licenses.'license' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => false,],// Cache the grade setting for faster retrieval.'gradesetting' => ['mode' => cache_store::MODE_REQUEST,'simplekeys' => true,'staticacceleration' => true,'staticaccelerationsize' => 100],// Course image cache.'course_image' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'datasource' => '\core_course\cache\course_image',],// Cache the course categories where the user has access the content bank.'contentbank_allowed_categories' => ['mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true,'invalidationevents' => ['changesincoursecat','changesincategoryenrolment',],],// Cache the courses where the user has access the content bank.'contentbank_allowed_courses' => ['mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true,'invalidationevents' => ['changesincoursecat','changesincategoryenrolment','changesincourse',],],// Users allowed reports according to audience.'reportbuilder_allowed_reports' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'ttl' => 1800,],// Cache image dimensions.'file_imageinfo' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,'canuselocalstore' => true,'staticaccelerationsize' => 100,],// Cache if a user has the capability to share to MoodleNet.'moodlenet_usercanshare' => ['mode' => cache_store::MODE_SESSION,'simplekeys' => true,'simpledata' => true,'ttl' => 1800,'invalidationevents' => ['changesincoursecat','changesincategoryenrolment','changesincourse',],],// A theme has been used in context to override the default theme.// Applies to user, cohort, category and course.'theme_usedincontext' => ['mode' => cache_store::MODE_APPLICATION,'simplekeys' => true,'simpledata' => true,'staticacceleration' => true,],);