🎨 清理冗余代码

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

-/*
- * Solo - A small and beautiful blogging system written in Java.
- * Copyright (c) 2010-present, b3log.org
- *
- * Solo is licensed under Mulan PSL v2.
- * You can use this software according to the terms and conditions of the Mulan PSL v2.
- * You may obtain a copy of Mulan PSL v2 at:
- *         http://license.coscl.org.cn/MulanPSL2
- * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
- * See the Mulan PSL v2 for more details.
- */
-package org.b3log.solo.cache;
-
-import org.b3log.latke.ioc.Singleton;
-import org.b3log.solo.model.Option;
-import org.json.JSONObject;
-
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-/**
- * Statistic cache.
- *
- * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.0.1, Sep 25, 2018
- * @since 2.4.0
- */
-@Singleton
-public class StatisticCache {
-
-    /**
-     * Statistic cache.
-     */
-    private final Map<String, JSONObject> cache = new ConcurrentHashMap<>();
-
-    /**
-     * Get the statistic.
-     *
-     * @return statistic
-     */
-    public JSONObject getStatistic() {
-        return cache.get(Option.CATEGORY_C_STATISTIC);
-    }
-
-    /**
-     * Adds or updates the specified statistic.
-     *
-     * @param statistic the specified statistic
-     */
-    public void putStatistic(final JSONObject statistic) {
-        cache.put(Option.CATEGORY_C_STATISTIC, statistic);
-    }
-
-    /**
-     * Clears all cached data.
-     */
-    public void clear() {
-        cache.clear();
-    }
-}

src/main/java/org/b3log/solo/service/StatisticMgmtService.java

@@ -25,7 +25,6 @@ import org.b3log.latke.service.ServiceException;
 import org.b3log.latke.service.annotation.Service;
 import org.b3log.latke.util.Requests;
 import org.b3log.latke.util.URLs;
-import org.b3log.solo.cache.StatisticCache;
 import org.b3log.solo.repository.ArticleRepository;
 import org.b3log.solo.repository.OptionRepository;
 import org.b3log.solo.util.Solos;
@@ -41,7 +40,7 @@ import java.util.concurrent.ConcurrentHashMap;
  * Statistic management service.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 2.0.1.5, Jan 8, 2020
+ * @version 2.0.1.6, Apr 14, 2020
  * @since 0.5.0
  */
 @Service
@@ -88,12 +87,6 @@ public class StatisticMgmtService {
     @Inject
     private ArticleRepository articleRepository;
 
-    /**
-     * Statistic cache.
-     */
-    @Inject
-    private StatisticCache statisticCache;
-
     /**
      * Removes the expired online visitor.
      */
@@ -267,6 +260,5 @@ public class StatisticMgmtService {
      */
     private void updateStatistic(final String id, final JSONObject statistic) throws RepositoryException {
         optionRepository.update(id, statistic);
-        statisticCache.clear();
     }
 }