MDL-42012 cache: Allow data sources to work when caching is disabled

[moodle.git] / cache / classes / loaders.php

diff --git a/cache/classes/loaders.php b/cache/classes/loaders.php
index 2b86132..a557a3e 100644 (file)
--- a/cache/classes/loaders.php
+++ b/cache/classes/loaders.php
@@ -223,11 +223,9 @@ class cache implements cache_loader {
         $this->storetype = get_class($store);
         $this->perfdebug = (!empty($CFG->perfdebug) and $CFG->perfdebug > 7);
         if ($loader instanceof cache_loader) {
-            $this->loader = $loader;
-            // Mark the loader as a sub (chained) loader.
-            $this->loader->set_is_sub_loader(true);
+            $this->set_loader($loader);
         } else if ($loader instanceof cache_data_source) {
-            $this->datasource = $loader;
+            $this->set_data_source($loader);
         }
         $this->definition->generate_definition_hash();
         $this->staticacceleration = $this->definition->use_static_acceleration();
@@ -237,6 +235,27 @@ class cache implements cache_loader {
         $this->hasattl = ($this->definition->get_ttl() > 0);
     }
 
+    /**
+     * Set the loader for this cache.
+     *
+     * @param   cache_loader $loader
+     */
+    protected function set_loader(cache_loader $loader): void {
+        $this->loader = $loader;
+
+        // Mark the loader as a sub (chained) loader.
+        $this->loader->set_is_sub_loader(true);
+    }
+
+    /**
+     * Set the data source for this cache.
+     *
+     * @param   cache_data_source $datasource
+     */
+    protected function set_data_source(cache_data_source $datasource): void {
+        $this->datasource = $datasource;
+    }
+
     /**
      * Used to inform the loader of its state as a sub loader, or as the top of the chain.
      *