⚡ #12319

src/main/java/org/b3log/solo/cache/PreferenceCache.java

@@ -15,8 +15,11 @@
  */
 package org.b3log.solo.cache;
 
+import org.b3log.latke.cache.Cache;
+import org.b3log.latke.cache.CacheFactory;
 import org.b3log.latke.ioc.inject.Named;
 import org.b3log.latke.ioc.inject.Singleton;
+import org.b3log.solo.model.Option;
 import org.json.JSONObject;
 
 /**
@@ -33,7 +36,7 @@ public class PreferenceCache {
     /**
      * Preference cache.
      */
-    private JSONObject preference;
+    private Cache cache = CacheFactory.getCache(Option.CATEGORY_C_PREFERENCE);
 
     /**
      * Get the preference.
@@ -41,7 +44,7 @@ public class PreferenceCache {
      * @return preference
      */
     public JSONObject getPreference() {
-        return preference;
+        return cache.get(Option.CATEGORY_C_PREFERENCE);
     }
 
     /**
@@ -50,13 +53,13 @@ public class PreferenceCache {
      * @param preference the specified preference
      */
     public void putPreference(final JSONObject preference) {
-        this.preference = preference;
+        cache.put(Option.CATEGORY_C_PREFERENCE, preference);
     }
 
     /**
      * Clears the preference.
      */
     public void clear() {
-        preference = null;
+        cache.removeAll();
     }
 }

src/main/java/org/b3log/solo/cache/UserCache.java

@@ -16,15 +16,14 @@
 package org.b3log.solo.cache;
 
 import org.b3log.latke.Keys;
+import org.b3log.latke.cache.Cache;
+import org.b3log.latke.cache.CacheFactory;
 import org.b3log.latke.ioc.inject.Named;
 import org.b3log.latke.ioc.inject.Singleton;
 import org.b3log.latke.model.User;
 import org.b3log.solo.util.JSONs;
 import org.json.JSONObject;
 
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
 /**
  * User cache.
  *
@@ -39,12 +38,12 @@ public class UserCache {
     /**
      * Id, User.
      */
-    private static final Map<String, JSONObject> ID_CACHE = new ConcurrentHashMap<>();
+    private static final Cache ID_CACHE = CacheFactory.getCache(User.USERS + "ID");
 
     /**
      * Email, User.
      */
-    private static final Map<String, JSONObject> EMAIL_CACHE = new ConcurrentHashMap<>();
+    private static final Cache EMAIL_CACHE = CacheFactory.getCache(User.USERS + "Email");
 
     /**
      * Gets a user by the specified user id.