♻ #12509 文章时间字段

src/main/java/org/b3log/solo/api/metaweblog/MetaWeblogAPI.java

@@ -68,7 +68,7 @@ import java.util.List;
  * </p>
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.0.17, Aug 2, 2018
+ * @version 1.0.0.18, Sep 16, 2018
  * @since 0.4.0
  */
 @RequestProcessor
@@ -346,7 +346,7 @@ public class MetaWeblogAPI {
                                     + "pattern[yyyy-MM-dd'T'HH:mm:ss, yyyyMMdd'T'HH:mm:ss'Z']");
                     date = DateUtils.parseDate(dateString, new String[]{"yyyyMMdd'T'HH:mm:ss", "yyyyMMdd'T'HH:mm:ss'Z'"});
                 }
-                ret.put(Article.ARTICLE_CREATE_DATE, date);
+                ret.put(Article.ARTICLE_CREATED, date.getTime());
             } else if ("title".equals(name)) {
                 ret.put(Article.ARTICLE_TITLE, member.getJSONObject("value").getString("string"));
             } else if ("description".equals(name)) {
@@ -456,7 +456,7 @@ public class MetaWeblogAPI {
         }
 
         final JSONObject article = result.getJSONObject(Article.ARTICLE);
-        final Date createDate = (Date) article.get(Article.ARTICLE_CREATE_DATE);
+        final long createDate = article.getLong(Article.ARTICLE_CREATED);
         final String articleTitle = StringEscapeUtils.escapeXml(article.getString(Article.ARTICLE_TITLE));
 
         stringBuilder.append("<struct>");
@@ -488,7 +488,7 @@ public class MetaWeblogAPI {
         final StringBuilder stringBuilder = new StringBuilder();
         final List<JSONObject> recentArticles = articleQueryService.getRecentArticles(fetchSize);
         for (final JSONObject article : recentArticles) {
-            final Date createDate = (Date) article.get(Article.ARTICLE_CREATE_DATE);
+            final long createDate = article.getLong(Article.ARTICLE_CREATED);
             final String articleTitle = StringEscapeUtils.escapeXml(article.getString(Article.ARTICLE_TITLE));
 
             stringBuilder.append("<value><struct>");

src/main/java/org/b3log/solo/dev/ArticleGenerator.java

@@ -37,12 +37,11 @@ import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.util.Date;
 
-
 /**
  * Generates some dummy articles for development testing.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.0.6, Apr 15, 2018
+ * @version 1.0.0.7, Sep 16, 2018
  * @since 0.4.0
  */
 @RequestProcessor
@@ -112,8 +111,8 @@ public class ArticleGenerator {
                 final int deviationDay = -(Integer.valueOf(String.valueOf(i).substring(0, 1)) % deviationBase);
 
                 final Date date = DateUtils.addMonths(new Date(), deviationDay);
-                article.put(Article.ARTICLE_CREATE_DATE, date);
-                article.put(Article.ARTICLE_UPDATE_DATE, date);
+                article.put(Article.ARTICLE_CREATED, date.getTime());
+                article.put(Article.ARTICLE_UPDATED, date.getTime());
                 article.put(Article.ARTICLE_RANDOM_DOUBLE, Math.random());
                 article.put(Article.ARTICLE_COMMENTABLE, true);
                 article.put(Article.ARTICLE_VIEW_PWD, "");

src/main/java/org/b3log/solo/event/rhythm/ArticleSender.java

@@ -48,7 +48,7 @@ import java.util.Date;
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
  * @author ArmstrongCN
- * @version 1.0.2.13, Aug 2, 2018
+ * @version 1.0.2.14, Sep 16, 2018
  * @since 0.3.1
  */
 public final class ArticleSender extends AbstractEventListener<JSONObject> {
@@ -104,7 +104,7 @@ public final class ArticleSender extends AbstractEventListener<JSONObject> {
             article.put(Article.ARTICLE_TAGS_REF, originalArticle.getString(Article.ARTICLE_TAGS_REF));
             article.put(Article.ARTICLE_AUTHOR_EMAIL, originalArticle.getString(Article.ARTICLE_AUTHOR_EMAIL));
             article.put(Article.ARTICLE_CONTENT, originalArticle.getString(Article.ARTICLE_CONTENT));
-            article.put(Article.ARTICLE_CREATE_DATE, ((Date) originalArticle.get(Article.ARTICLE_CREATE_DATE)).getTime());
+            article.put(Article.ARTICLE_T_CREATE_DATE, originalArticle.getLong(Article.ARTICLE_CREATED));
             article.put(Common.POST_TO_COMMUNITY, originalArticle.getBoolean(Common.POST_TO_COMMUNITY));
 
             // Removes this property avoid to persist

src/main/java/org/b3log/solo/event/rhythm/ArticleUpdater.java

@@ -38,8 +38,6 @@ import org.b3log.solo.service.PreferenceQueryService;
 import org.b3log.solo.util.Solos;
 import org.json.JSONObject;
 
-import java.util.Date;
-
 /**
  * This listener is responsible for updating article to B3log Rhythm.
  * <p>
@@ -47,7 +45,7 @@ import java.util.Date;
  * </p>
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.1.3, Aug 2, 2018
+ * @version 1.0.1.4, Sep 16, 2018
  * @since 0.6.0
  */
 public final class ArticleUpdater extends AbstractEventListener<JSONObject> {
@@ -102,7 +100,7 @@ public final class ArticleUpdater extends AbstractEventListener<JSONObject> {
             article.put(Article.ARTICLE_TAGS_REF, originalArticle.getString(Article.ARTICLE_TAGS_REF));
             article.put(Article.ARTICLE_AUTHOR_EMAIL, originalArticle.getString(Article.ARTICLE_AUTHOR_EMAIL));
             article.put(Article.ARTICLE_CONTENT, originalArticle.getString(Article.ARTICLE_CONTENT));
-            article.put(Article.ARTICLE_CREATE_DATE, ((Date) originalArticle.get(Article.ARTICLE_CREATE_DATE)).getTime());
+            article.put(Article.ARTICLE_T_CREATE_DATE, originalArticle.getLong(Article.ARTICLE_CREATED));
             article.put(Common.POST_TO_COMMUNITY, originalArticle.getBoolean(Common.POST_TO_COMMUNITY));
 
             // Removes this property avoid to persist

src/main/java/org/b3log/solo/model/Article.java

@@ -25,7 +25,7 @@ import org.jsoup.safety.Whitelist;
  * This class defines all article model relevant keys.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.1.1.6, Jun 25, 2017
+ * @version 1.2.0.0, Sep 16, 2018
  * @since 0.3.1
  */
 public final class Article {
@@ -55,20 +55,30 @@ public final class Article {
      */
     public static final String ARTICLE_CONTENT = "articleContent";
 
+    /**
+     * Key of created at.
+     */
+    public static final String ARTICLE_CREATED = "articleCreated";
+
     /**
      * Key of create date.
      */
-    public static final String ARTICLE_CREATE_DATE = "articleCreateDate";
+    public static final String ARTICLE_T_CREATE_DATE = "articleCreateDate";
 
     /**
      * Key of create time.
      */
     public static final String ARTICLE_CREATE_TIME = "articleCreateTime";
 
+    /**
+     * Key of updated at.
+     */
+    public static final String ARTICLE_UPDATED = "articleUpdated";
+
     /**
      * Key of update date.
      */
-    public static final String ARTICLE_UPDATE_DATE = "articleUpdateDate";
+    public static final String ARTICLE_T_UPDATE_DATE = "articleUpdateDate";
 
     /**
      * Key of update time.

src/main/java/org/b3log/solo/processor/BlogProcessor.java

@@ -51,7 +51,7 @@ import java.util.Set;
  * Blog processor.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.3.1.3, Aug 2, 2018
+ * @version 1.3.1.4, Sep 16, 2018
  * @since 0.4.6
  */
 @RequestProcessor
@@ -223,8 +223,8 @@ public class BlogProcessor {
         final JSONArray excludes = new JSONArray();
 
         excludes.put(Article.ARTICLE_CONTENT);
-        excludes.put(Article.ARTICLE_UPDATE_DATE);
-        excludes.put(Article.ARTICLE_CREATE_DATE);
+        excludes.put(Article.ARTICLE_UPDATED);
+        excludes.put(Article.ARTICLE_CREATED);
         excludes.put(Article.ARTICLE_AUTHOR_EMAIL);
         excludes.put(Article.ARTICLE_HAD_BEEN_PUBLISHED);
         excludes.put(Article.ARTICLE_IS_PUBLISHED);

src/main/java/org/b3log/solo/processor/FeedProcessor.java

@@ -64,7 +64,7 @@ import java.util.List;
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
  * @author <a href="https://github.com/feroozkhanchintu">feroozkhanchintu</a>
  * @author <a href="https://github.com/nanolikeyou">nanolikeyou</a>
- * @version 1.1.1.0, May 18, 2018
+ * @version 1.1.1.1, Sep 16, 2018
  * @since 0.3.1
  */
 @RequestProcessor
@@ -142,8 +142,9 @@ public class FeedProcessor {
 
             filters.add(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true));
             filters.add(new PropertyFilter(Article.ARTICLE_VIEW_PWD, FilterOperator.EQUAL, ""));
-            final Query query = new Query().setCurrentPageNum(1).setPageSize(outputCnt).setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters)).addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).setPageCount(
-                    1);
+            final Query query = new Query().setCurrentPageNum(1).setPageSize(outputCnt).
+                    setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters)).
+                    addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING).setPageCount(1);
 
             final boolean hasMultipleUsers = userQueryService.hasMultipleUsers();
             String authorName = "";
@@ -184,8 +185,8 @@ public class FeedProcessor {
         final String summary = isFullContent ? article.getString(Article.ARTICLE_CONTENT)
                 : article.optString(Article.ARTICLE_ABSTRACT);
         ret.setSummary(summary);
-        final Date updated = (Date) article.get(Article.ARTICLE_UPDATE_DATE);
-        ret.setUpdated(updated);
+        final long updated = article.getLong(Article.ARTICLE_UPDATED);
+        ret.setUpdated(new Date(updated));
         final String link = Latkes.getServePath() + article.getString(Article.ARTICLE_PERMALINK);
         ret.setLink(link);
         ret.setId(link);
@@ -311,8 +312,8 @@ public class FeedProcessor {
         final String summary = isFullContent ? article.getString(Article.ARTICLE_CONTENT)
                 : article.optString(Article.ARTICLE_ABSTRACT);
         ret.setSummary(summary);
-        final Date updated = (Date) article.get(Article.ARTICLE_UPDATE_DATE);
-        ret.setUpdated(updated);
+        final long updated = article.getLong(Article.ARTICLE_UPDATED);
+        ret.setUpdated(new Date(updated));
         final String link = Latkes.getServePath() + article.getString(Article.ARTICLE_PERMALINK);
         ret.setLink(link);
         ret.setId(link);
@@ -371,8 +372,9 @@ public class FeedProcessor {
 
             filters.add(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true));
             filters.add(new PropertyFilter(Article.ARTICLE_VIEW_PWD, FilterOperator.EQUAL, ""));
-            final Query query = new Query().setCurrentPageNum(1).setPageSize(outputCnt).setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters)).addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).setPageCount(
-                    1);
+            final Query query = new Query().setPageCount(1).setCurrentPageNum(1).setPageSize(outputCnt).
+                    setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters)).
+                    addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING);
 
             final JSONObject articleResult = articleRepository.get(query);
             final JSONArray articles = articleResult.getJSONArray(Keys.RESULTS);
@@ -416,8 +418,8 @@ public class FeedProcessor {
                 : article.optString(Article.ARTICLE_ABSTRACT);
         description = Emotions.toAliases(description);
         ret.setDescription(description);
-        final Date pubDate = (Date) article.get(Article.ARTICLE_UPDATE_DATE);
-        ret.setPubDate(pubDate);
+        final long pubDate = article.getLong(Article.ARTICLE_UPDATED);
+        ret.setPubDate(new Date(pubDate));
         final String link = Latkes.getServePath() + article.getString(Article.ARTICLE_PERMALINK);
         ret.setLink(link);
         ret.setGUID(link);
@@ -549,8 +551,8 @@ public class FeedProcessor {
                 ? article.getString(Article.ARTICLE_CONTENT)
                 : article.optString(Article.ARTICLE_ABSTRACT);
         ret.setDescription(description);
-        final Date pubDate = (Date) article.get(Article.ARTICLE_UPDATE_DATE);
-        ret.setPubDate(pubDate);
+        final long pubDate = article.getLong(Article.ARTICLE_UPDATED);
+        ret.setPubDate(new Date(pubDate));
         final String link = Latkes.getServePath() + article.getString(Article.ARTICLE_PERMALINK);
         ret.setLink(link);
         ret.setGUID(link);

src/main/java/org/b3log/solo/processor/SitemapProcessor.java

@@ -57,7 +57,7 @@ import java.util.Date;
  * Site map (sitemap) processor.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.2.1, Aug 2, 2018
+ * @version 1.0.2.2, Sep 16, 2018
  * @since 0.3.1
  */
 @RequestProcessor
@@ -142,9 +142,9 @@ public class SitemapProcessor {
     private void addArticles(final Sitemap sitemap) throws Exception {
         final Query query = new Query().setCurrentPageNum(1).
                 setFilter(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true)).
-                addSort(Article.ARTICLE_CREATE_DATE, SortDirection.DESCENDING).
+                addSort(Article.ARTICLE_CREATED, SortDirection.DESCENDING).
                 addProjection(Article.ARTICLE_PERMALINK, String.class).
-                addProjection(Article.ARTICLE_UPDATE_DATE, Date.class);
+                addProjection(Article.ARTICLE_UPDATED, Long.class);
         final JSONObject articleResult = articleRepository.get(query);
         final JSONArray articles = articleResult.getJSONArray(Keys.RESULTS);
 
@@ -154,8 +154,8 @@ public class SitemapProcessor {
 
             final URL url = new URL();
             url.setLoc(StringEscapeUtils.escapeXml(Latkes.getServePath() + permalink));
-            final Date updateDate = (Date) article.get(Article.ARTICLE_UPDATE_DATE);
-            final String lastMod = DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.format(updateDate);
+            final long updated = article.getLong(Article.ARTICLE_UPDATED);
+            final String lastMod = DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.format(updated);
             url.setLastMod(lastMod);
 
             sitemap.addURL(url);

src/main/java/org/b3log/solo/processor/console/ArticleConsole.java

@@ -55,7 +55,7 @@ import java.util.stream.Collectors;
  * Article console request processing.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.1.1.0, Sep 10, 2018
+ * @version 1.1.1.1, Sep 16, 2018
  * @since 0.4.0
  */
 @RequestProcessor
@@ -306,8 +306,8 @@ public class ArticleConsole {
 
             final JSONArray excludes = new JSONArray();
             excludes.put(Article.ARTICLE_CONTENT);
-            excludes.put(Article.ARTICLE_UPDATE_DATE);
-            excludes.put(Article.ARTICLE_CREATE_DATE);
+            excludes.put(Article.ARTICLE_UPDATED);
+            excludes.put(Article.ARTICLE_CREATED);
             excludes.put(Article.ARTICLE_AUTHOR_EMAIL);
             excludes.put(Article.ARTICLE_HAD_BEEN_PUBLISHED);
             excludes.put(Article.ARTICLE_IS_PUBLISHED);

src/main/java/org/b3log/solo/processor/util/Filler.java

@@ -66,7 +66,7 @@ import static org.b3log.solo.model.Article.ARTICLE_CONTENT;
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
  * @author <a href="http://vanessa.b3log.org">Liyuan Li</a>
- * @version 1.6.16.6, Sep 16, 2018
+ * @version 1.6.16.7, Sep 16, 2018
  * @since 0.3.1
  */
 @Service
@@ -217,15 +217,15 @@ public class Filler {
             } else // See https://github.com/b3log/solo/issues/179 for more details
                 if (Templates.hasExpression(template, "<#list articles1 as article>")) {
                     isArticles1 = true;
-                    query.addSort(Article.ARTICLE_CREATE_DATE, SortDirection.DESCENDING);
+                    query.addSort(Article.ARTICLE_CREATED, SortDirection.DESCENDING);
 
                     LOGGER.trace("Query ${articles1} in index.ftl");
                 } else { // <#list articles as article>
                     query.addSort(Article.ARTICLE_PUT_TOP, SortDirection.DESCENDING);
                     if (preference.getBoolean(Option.ID_C_ENABLE_ARTICLE_UPDATE_HINT)) {
-                        query.addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING);
+                        query.addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING);
                     } else {
-                        query.addSort(Article.ARTICLE_CREATE_DATE, SortDirection.DESCENDING);
+                        query.addSort(Article.ARTICLE_CREATED, SortDirection.DESCENDING);
                     }
                 }
 

src/main/java/org/b3log/solo/repository/impl/ArticleRepositoryImpl.java

@@ -31,14 +31,13 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 
 /**
  * Article repository.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.1.3.13, Aug 27, 2018
+ * @version 1.1.3.14, Sep 16 , 2018
  * @since 0.3.1
  */
 @Repository
@@ -106,7 +105,7 @@ public class ArticleRepositoryImpl extends AbstractRepository implements Article
                 setFilter(CompositeFilterOperator.and(
                         new PropertyFilter(Article.ARTICLE_AUTHOR_EMAIL, FilterOperator.EQUAL, authorEmail),
                         new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true))).
-                addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).addSort(Article.ARTICLE_PUT_TOP, SortDirection.DESCENDING).
+                addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING).addSort(Article.ARTICLE_PUT_TOP, SortDirection.DESCENDING).
                 setCurrentPageNum(currentPageNum).setPageSize(pageSize).setPageCount(1);
 
         return get(query);
@@ -139,7 +138,7 @@ public class ArticleRepositoryImpl extends AbstractRepository implements Article
     public List<JSONObject> getRecentArticles(final int fetchSize) throws RepositoryException {
         final Query query = new Query().
                 setFilter(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true)).
-                addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).
+                addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING).
                 setCurrentPageNum(1).setPageSize(fetchSize).setPageCount(1);
 
         return getList(query);
@@ -149,7 +148,7 @@ public class ArticleRepositoryImpl extends AbstractRepository implements Article
     public List<JSONObject> getMostCommentArticles(final int num) throws RepositoryException {
         final Query query = new Query().
                 addSort(Article.ARTICLE_COMMENT_COUNT, SortDirection.DESCENDING).
-                addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).
+                addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING).
                 setFilter(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true)).
                 setCurrentPageNum(1).setPageSize(num).setPageCount(1);
 
@@ -160,7 +159,7 @@ public class ArticleRepositoryImpl extends AbstractRepository implements Article
     public List<JSONObject> getMostViewCountArticles(final int num) throws RepositoryException {
         final Query query = new Query().
                 addSort(Article.ARTICLE_VIEW_COUNT, SortDirection.DESCENDING).
-                addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).
+                addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING).
                 setFilter(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true)).
                 setCurrentPageNum(1).setPageSize(num).setPageCount(1);
 
@@ -170,13 +169,13 @@ public class ArticleRepositoryImpl extends AbstractRepository implements Article
     @Override
     public JSONObject getPreviousArticle(final String articleId) throws RepositoryException {
         final JSONObject currentArticle = get(articleId);
-        final Date currentArticleCreateDate = (Date) currentArticle.opt(Article.ARTICLE_CREATE_DATE);
+        final long currentArticleCreated = currentArticle.optLong(Article.ARTICLE_CREATED);
 
         final Query query = new Query().
                 setFilter(CompositeFilterOperator.and(
-                        new PropertyFilter(Article.ARTICLE_CREATE_DATE, FilterOperator.LESS_THAN, currentArticleCreateDate),
+                        new PropertyFilter(Article.ARTICLE_CREATED, FilterOperator.LESS_THAN, currentArticleCreated),
                         new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true))).
-                addSort(Article.ARTICLE_CREATE_DATE, SortDirection.DESCENDING).
+                addSort(Article.ARTICLE_CREATED, SortDirection.DESCENDING).
                 setCurrentPageNum(1).setPageSize(1).setPageCount(1).
                 addProjection(Article.ARTICLE_TITLE, String.class).
                 addProjection(Article.ARTICLE_PERMALINK, String.class).
@@ -205,13 +204,13 @@ public class ArticleRepositoryImpl extends AbstractRepository implements Article
     @Override
     public JSONObject getNextArticle(final String articleId) throws RepositoryException {
         final JSONObject currentArticle = get(articleId);
-        final Date currentArticleCreateDate = (Date) currentArticle.opt(Article.ARTICLE_CREATE_DATE);
+        final long currentArticleCreated = currentArticle.optLong(Article.ARTICLE_CREATED);
 
         final Query query = new Query().
                 setFilter(CompositeFilterOperator.and(
-                        new PropertyFilter(Article.ARTICLE_CREATE_DATE, FilterOperator.GREATER_THAN, currentArticleCreateDate),
+                        new PropertyFilter(Article.ARTICLE_CREATED, FilterOperator.GREATER_THAN, currentArticleCreated),
                         new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true))).
-                addSort(Article.ARTICLE_CREATE_DATE, SortDirection.ASCENDING).
+                addSort(Article.ARTICLE_CREATED, SortDirection.ASCENDING).
                 setCurrentPageNum(1).setPageSize(1).setPageCount(1).
                 addProjection(Article.ARTICLE_TITLE, String.class).
                 addProjection(Article.ARTICLE_PERMALINK, String.class).

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

@@ -45,7 +45,6 @@ import org.json.JSONObject;
 import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Date;
 import java.util.List;
 
 import static org.b3log.solo.model.Article.*;
@@ -54,7 +53,7 @@ import static org.b3log.solo.model.Article.*;
  * Article management service.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.2.2.11, Aug 27, 2018
+ * @version 1.2.2.12, Sep 16, 2018
  * @since 0.3.5
  */
 @Service
@@ -297,7 +296,7 @@ public class ArticleMgmtService {
             final String articleId = article.getString(Keys.OBJECT_ID);
             // Set permalink
             final JSONObject oldArticle = articleRepository.get(articleId);
-            final String permalink = getPermalinkForUpdateArticle(oldArticle, article, (Date) oldArticle.get(ARTICLE_CREATE_DATE));
+            final String permalink = getPermalinkForUpdateArticle(oldArticle, article, oldArticle.optLong(ARTICLE_CREATED));
             article.put(ARTICLE_PERMALINK, permalink);
 
             processTagsForArticleUpdate(oldArticle, article);
@@ -310,9 +309,9 @@ public class ArticleMgmtService {
             // Fill auto properties
             fillAutoProperties(oldArticle, article);
             // Set date
-            article.put(ARTICLE_UPDATE_DATE, oldArticle.get(ARTICLE_UPDATE_DATE));
+            article.put(ARTICLE_UPDATED, oldArticle.getLong(ARTICLE_UPDATED));
             final JSONObject preference = preferenceQueryService.getPreference();
-            final Date date = new Date();
+            final long now = System.currentTimeMillis();
 
             // The article to update has no sign
             if (!article.has(Article.ARTICLE_SIGN_ID)) {
@@ -322,20 +321,20 @@ public class ArticleMgmtService {
             if (article.getBoolean(ARTICLE_IS_PUBLISHED)) { // Publish it
                 if (articleQueryService.hadBeenPublished(oldArticle)) {
                     // Edit update date only for published article
-                    article.put(ARTICLE_UPDATE_DATE, date);
+                    article.put(ARTICLE_UPDATED, now);
                 } else { // This article is a draft and this is the first time to publish it
-                    article.put(ARTICLE_CREATE_DATE, date);
-                    article.put(ARTICLE_UPDATE_DATE, date);
+                    article.put(ARTICLE_CREATED, now);
+                    article.put(ARTICLE_UPDATED, now);
                     article.put(ARTICLE_HAD_BEEN_PUBLISHED, true);
                 }
             } else { // Save as draft
                 if (articleQueryService.hadBeenPublished(oldArticle)) {
                     // Save update date only for published article
-                    article.put(ARTICLE_UPDATE_DATE, date);
+                    article.put(ARTICLE_UPDATED, now);
                 } else {
                     // Reset create/update date to indicate this is an new draft
-                    article.put(ARTICLE_CREATE_DATE, date);
-                    article.put(ARTICLE_UPDATE_DATE, date);
+                    article.put(ARTICLE_CREATED, now);
+                    article.put(ARTICLE_UPDATED, now);
                 }
             }
 
@@ -487,12 +486,10 @@ public class ArticleMgmtService {
             article.put(Article.ARTICLE_VIEW_COUNT, 0);
             // Step 3: Set create/updat date
             final JSONObject preference = preferenceQueryService.getPreference();
-            final Date date = new Date();
-
-            if (!article.has(Article.ARTICLE_CREATE_DATE)) {
-                article.put(Article.ARTICLE_CREATE_DATE, date);
+            if (!article.has(Article.ARTICLE_CREATED)) {
+                article.put(Article.ARTICLE_CREATED, System.currentTimeMillis());
             }
-            article.put(Article.ARTICLE_UPDATE_DATE, article.opt(Article.ARTICLE_CREATE_DATE));
+            article.put(Article.ARTICLE_UPDATED, article.optLong(Article.ARTICLE_CREATED));
             // Step 4: Set put top to false
             article.put(Article.ARTICLE_PUT_TOP, false);
             // Step 5: Add tag-article relations
@@ -1042,8 +1039,8 @@ public class ArticleMgmtService {
      * @throws RepositoryException repository exception
      */
     private void archiveDate(final JSONObject article) throws RepositoryException {
-        final Date createDate = (Date) article.opt(Article.ARTICLE_CREATE_DATE);
-        final String createDateString = DateFormatUtils.format(createDate, "yyyy/MM");
+        final long created = article.optLong(Article.ARTICLE_CREATED);
+        final String createDateString = DateFormatUtils.format(created, "yyyy/MM");
         JSONObject archiveDate = archiveDateRepository.getByArchiveDate(createDateString);
 
         if (null == archiveDate) {
@@ -1093,9 +1090,8 @@ public class ArticleMgmtService {
      * @throws JSONException json exception
      */
     private void fillAutoProperties(final JSONObject oldArticle, final JSONObject article) throws JSONException {
-        final Date createDate = (Date) oldArticle.get(ARTICLE_CREATE_DATE);
-
-        article.put(ARTICLE_CREATE_DATE, createDate);
+        final long created = oldArticle.getLong(ARTICLE_CREATED);
+        article.put(ARTICLE_CREATED, created);
         article.put(ARTICLE_COMMENT_COUNT, oldArticle.getInt(ARTICLE_COMMENT_COUNT));
         article.put(ARTICLE_VIEW_COUNT, oldArticle.getInt(ARTICLE_VIEW_COUNT));
         article.put(ARTICLE_PUT_TOP, oldArticle.getBoolean(ARTICLE_PUT_TOP));
@@ -1112,10 +1108,8 @@ public class ArticleMgmtService {
      * @throws ServiceException if invalid permalink occurs
      */
     private String getPermalinkForAddArticle(final JSONObject article) throws ServiceException {
-        final Date date = (Date) article.opt(Article.ARTICLE_CREATE_DATE);
-
+        final long date = article.optLong(Article.ARTICLE_CREATED);
         String ret = article.optString(Article.ARTICLE_PERMALINK);
-
         if (StringUtils.isBlank(ret)) {
             ret = "/articles/" + DateFormatUtils.format(date, "yyyy/MM/dd") + "/" + article.optString(Keys.OBJECT_ID) + ".html";
         }
@@ -1136,16 +1130,16 @@ public class ArticleMgmtService {
     }
 
     /**
-     * Gets article permalink for updating article with the specified old article, article, create date.
+     * Gets article permalink for updating article with the specified old article, article, created at.
      *
      * @param oldArticle the specified old article
      * @param article    the specified article
-     * @param createDate the specified create date
+     * @param created    the specified created
      * @return permalink
      * @throws ServiceException if invalid permalink occurs
      * @throws JSONException    json exception
      */
-    private String getPermalinkForUpdateArticle(final JSONObject oldArticle, final JSONObject article, final Date createDate)
+    private String getPermalinkForUpdateArticle(final JSONObject oldArticle, final JSONObject article, final long created)
             throws ServiceException, JSONException {
         final String articleId = article.getString(Keys.OBJECT_ID);
         String ret = article.optString(ARTICLE_PERMALINK).trim();
@@ -1153,7 +1147,7 @@ public class ArticleMgmtService {
 
         if (!oldPermalink.equals(ret)) {
             if (StringUtils.isBlank(ret)) {
-                ret = "/articles/" + DateFormatUtils.format(createDate, "yyyy/MM/dd") + "/" + articleId + ".html";
+                ret = "/articles/" + DateFormatUtils.format(created, "yyyy/MM/dd") + "/" + articleId + ".html";
             }
 
             if (!ret.startsWith("/")) {

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

@@ -54,7 +54,7 @@ import static org.b3log.solo.model.Article.*;
  * @author <a href="http://blog.sweelia.com">ArmstrongCN</a>
  * @author <a href="http://zephyr.b3log.org">Zephyr</a>
  * @author <a href="http://vanessa.b3log.org">Liyuan Li</a>
- * @version 1.3.2.3, Aug 27, 2018
+ * @version 1.3.2.4, Sep 16, 2018
  * @since 0.3.5
  */
 @Service
@@ -144,12 +144,11 @@ public class ArticleQueryService {
 
         try {
             final Query query = new Query().setFilter(
-                    CompositeFilterOperator.and(
-                            new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true),
+                    CompositeFilterOperator.and(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true),
                             CompositeFilterOperator.or(
                                     new PropertyFilter(Article.ARTICLE_TITLE, FilterOperator.LIKE, "%" + keyword + "%"),
-                                    new PropertyFilter(Article.ARTICLE_CONTENT, FilterOperator.LIKE, "%" + keyword + "%"))
-                    )).addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).setCurrentPageNum(currentPageNum).setPageSize(pageSize);
+                                    new PropertyFilter(Article.ARTICLE_CONTENT, FilterOperator.LIKE, "%" + keyword + "%")))).
+                    addSort(Article.ARTICLE_UPDATED, SortDirection.DESCENDING).setCurrentPageNum(currentPageNum).setPageSize(pageSize);
 
             final JSONObject result = articleRepository.get(query);
 
@@ -238,7 +237,7 @@ public class ArticleQueryService {
                     continue;
                 }
 
-                article.put(ARTICLE_CREATE_TIME, ((Date) article.opt(ARTICLE_CREATE_DATE)).getTime());
+                article.put(ARTICLE_CREATE_TIME, article.optLong(ARTICLE_CREATED));
 
                 articles.add(article);
             }
@@ -328,14 +327,13 @@ public class ArticleQueryService {
     public long getRecentArticleTime() throws ServiceException {
         try {
             final List<JSONObject> recentArticles = articleRepository.getRecentArticles(1);
-
             if (recentArticles.isEmpty()) {
                 return 0;
             }
 
             final JSONObject recentArticle = recentArticles.get(0);
 
-            return ((Date) recentArticle.get(Article.ARTICLE_UPDATE_DATE)).getTime();
+            return recentArticle.getLong(Article.ARTICLE_UPDATED);
         } catch (final Exception e) {
             LOGGER.log(Level.ERROR, e.getMessage(), e);
             throw new ServiceException("Gets recent article time failed");
@@ -422,10 +420,10 @@ public class ArticleQueryService {
      * @throws JSONException json exception
      */
     public boolean hasUpdated(final JSONObject article) throws JSONException {
-        final Date updateDate = (Date) article.get(Article.ARTICLE_UPDATE_DATE);
-        final Date createDate = (Date) article.get(Article.ARTICLE_CREATE_DATE);
+        final long updateDate = article.getLong(Article.ARTICLE_UPDATED);
+        final long createDate = article.getLong(Article.ARTICLE_CREATED);
 
-        return !createDate.equals(updateDate);
+        return createDate != updateDate;
     }
 
     /**
@@ -447,8 +445,7 @@ public class ArticleQueryService {
      */
     public List<JSONObject> getUnpublishedArticles() throws RepositoryException {
         final Map<String, SortDirection> sorts = new HashMap<>();
-
-        sorts.put(Article.ARTICLE_CREATE_DATE, SortDirection.DESCENDING);
+        sorts.put(Article.ARTICLE_CREATED, SortDirection.DESCENDING);
         sorts.put(Article.ARTICLE_PUT_TOP, SortDirection.DESCENDING);
         final Query query = new Query().setFilter(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true));
 
@@ -539,7 +536,7 @@ public class ArticleQueryService {
             article.remove(ARTICLE_COMMENT_COUNT);
             article.remove(ARTICLE_IS_PUBLISHED);
             article.remove(ARTICLE_PUT_TOP);
-            article.remove(ARTICLE_UPDATE_DATE);
+            article.remove(ARTICLE_UPDATED);
             article.remove(ARTICLE_VIEW_COUNT);
             article.remove(ARTICLE_RANDOM_DOUBLE);
 
@@ -607,9 +604,9 @@ public class ArticleQueryService {
             final Query query = new Query().setCurrentPageNum(currentPageNum).setPageSize(pageSize).
                     addSort(ARTICLE_PUT_TOP, SortDirection.DESCENDING);
             if (requestJSONObject.optBoolean(Option.ID_C_ENABLE_ARTICLE_UPDATE_HINT)) {
-                query.addSort(ARTICLE_UPDATE_DATE, SortDirection.DESCENDING);
+                query.addSort(ARTICLE_UPDATED, SortDirection.DESCENDING);
             } else {
-                query.addSort(ARTICLE_CREATE_DATE, SortDirection.DESCENDING);
+                query.addSort(ARTICLE_CREATED, SortDirection.DESCENDING);
             }
 
             final String keyword = requestJSONObject.optString(Common.KEYWORD);
@@ -643,8 +640,8 @@ public class ArticleQueryService {
                 final JSONObject author = getAuthor(article);
                 final String authorName = author.getString(User.USER_NAME);
                 article.put(Common.AUTHOR_NAME, authorName);
-                article.put(ARTICLE_CREATE_TIME, ((Date) article.get(ARTICLE_CREATE_DATE)).getTime());
-                article.put(ARTICLE_UPDATE_TIME, ((Date) article.get(ARTICLE_UPDATE_DATE)).getTime());
+                article.put(ARTICLE_CREATE_TIME, article.getLong(ARTICLE_CREATED));
+                article.put(ARTICLE_UPDATE_TIME, article.getLong(ARTICLE_UPDATED));
 
                 // Remove unused properties
                 for (int j = 0; j < excludes.length(); j++) {
@@ -706,7 +703,7 @@ public class ArticleQueryService {
                     continue;
                 }
 
-                article.put(ARTICLE_CREATE_TIME, ((Date) article.get(ARTICLE_CREATE_DATE)).getTime());
+                article.put(ARTICLE_CREATE_TIME, article.getLong(ARTICLE_CREATED));
 
                 ret.add(article);
             }
@@ -731,15 +728,12 @@ public class ArticleQueryService {
             throws ServiceException {
         try {
             JSONObject result = archiveDateArticleRepository.getByArchiveDateId(archiveDateId, currentPageNum, pageSize);
-
             final JSONArray relations = result.getJSONArray(Keys.RESULTS);
-
             if (0 == relations.length()) {
                 return Collections.emptyList();
             }
 
-            final Set<String> articleIds = new HashSet<String>();
-
+            final Set<String> articleIds = new HashSet<>();
             for (int i = 0; i < relations.length(); i++) {
                 final JSONObject relation = relations.getJSONObject(i);
                 final String articleId = relation.getString(Article.ARTICLE + "_" + Keys.OBJECT_ID);
@@ -747,14 +741,12 @@ public class ArticleQueryService {
                 articleIds.add(articleId);
             }
 
-            final List<JSONObject> ret = new ArrayList<JSONObject>();
+            final List<JSONObject> ret = new ArrayList<>();
 
             final Query query = new Query().setFilter(new PropertyFilter(Keys.OBJECT_ID, FilterOperator.IN, articleIds)).setPageCount(1).index(
                     Article.ARTICLE_PERMALINK);
-
             result = articleRepository.get(query);
             final JSONArray articles = result.getJSONArray(Keys.RESULTS);
-
             for (int i = 0; i < articles.length(); i++) {
                 final JSONObject article = articles.getJSONObject(i);
 
@@ -763,7 +755,7 @@ public class ArticleQueryService {
                     continue;
                 }
 
-                article.put(ARTICLE_CREATE_TIME, ((Date) article.get(ARTICLE_CREATE_DATE)).getTime());
+                article.put(ARTICLE_CREATE_TIME, article.getLong(ARTICLE_CREATED));
 
                 ret.add(article);
             }
@@ -996,12 +988,12 @@ public class ArticleQueryService {
         try {
             final JSONObject result = articleRepository.getByAuthorEmail(authorEmail, currentPageNum, pageSize);
             final JSONArray articles = result.getJSONArray(Keys.RESULTS);
-            final List<JSONObject> ret = new ArrayList<JSONObject>();
+            final List<JSONObject> ret = new ArrayList<>();
 
             for (int i = 0; i < articles.length(); i++) {
                 final JSONObject article = articles.getJSONObject(i);
 
-                article.put(ARTICLE_CREATE_TIME, ((Date) article.get(ARTICLE_CREATE_DATE)).getTime());
+                article.put(ARTICLE_CREATE_TIME, article.getLong(ARTICLE_CREATED));
 
                 ret.add(article);
             }
@@ -1146,9 +1138,9 @@ public class ArticleQueryService {
         article.remove(Article.ARTICLE_ABSTRACT);
         article.remove(Article.ARTICLE_COMMENT_COUNT);
         article.remove(Article.ARTICLE_CONTENT);
-        article.remove(Article.ARTICLE_CREATE_DATE);
+        article.remove(Article.ARTICLE_CREATED);
         article.remove(Article.ARTICLE_TAGS_REF);
-        article.remove(Article.ARTICLE_UPDATE_DATE);
+        article.remove(Article.ARTICLE_UPDATED);
         article.remove(Article.ARTICLE_VIEW_COUNT);
         article.remove(Article.ARTICLE_RANDOM_DOUBLE);
         article.remove(Article.ARTICLE_IS_PUBLISHED);

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

@@ -41,7 +41,7 @@ import java.util.stream.Collectors;
  * Export service.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.1.0.0, Nov 11, 2017
+ * @version 1.1.0.1, Sep 16, 2018
  * @since 2.5.0
  */
 @Service
@@ -162,9 +162,9 @@ public class ExportService {
             final Map<String, Object> front = new LinkedHashMap<>();
             final String title = article.optString(Article.ARTICLE_TITLE);
             front.put("title", title);
-            final String date = DateFormatUtils.format((Date) article.opt(Article.ARTICLE_CREATE_DATE), "yyyy-MM-dd HH:mm:ss");
+            final String date = DateFormatUtils.format(article.optLong(Article.ARTICLE_CREATED), "yyyy-MM-dd HH:mm:ss");
             front.put("date", date);
-            front.put("updated", DateFormatUtils.format((Date) article.opt(Article.ARTICLE_UPDATE_DATE), "yyyy-MM-dd HH:mm:ss"));
+            front.put("updated", DateFormatUtils.format(article.optLong(Article.ARTICLE_UPDATED), "yyyy-MM-dd HH:mm:ss"));
             final List<String> tags = Arrays.stream(article.optString(Article.ARTICLE_TAGS_REF).split(",")).filter(StringUtils::isNotBlank).map(String::trim).collect(Collectors.toList());
             if (tags.isEmpty()) {
                 tags.add("Solo");

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

@@ -40,7 +40,7 @@ import java.util.*;
  * Import service.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.1.1, Nov 11, 2017
+ * @version 1.0.1.2, Sep 16, 2018
  * @since 2.2.0
  */
 @Service
@@ -191,7 +191,7 @@ public class ImportService {
         ret.put(Article.ARTICLE_ABSTRACT, abs);
 
         final Date date = parseDate(elems);
-        ret.put(Article.ARTICLE_CREATE_DATE, date);
+        ret.put(Article.ARTICLE_CREATED, date.getTime());
 
         final String permalink = (String) elems.get("permalink");
         if (StringUtils.isNotBlank(permalink)) {

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

@@ -49,7 +49,6 @@ import org.json.JSONObject;
 
 import javax.servlet.ServletContext;
 import java.text.ParseException;
-import java.util.Date;
 import java.util.List;
 import java.util.Set;
 
@@ -57,7 +56,7 @@ import java.util.Set;
  * Solo initialization service.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.5.2.22, Sep 16, 2018
+ * @version 1.5.2.23, Sep 16, 2018
  * @since 0.4.0
  */
 @Service
@@ -288,13 +287,11 @@ public class InitService {
         article.put(Article.ARTICLE_SIGN_ID, "1");
         article.put(Article.ARTICLE_COMMENT_COUNT, 1);
         article.put(Article.ARTICLE_VIEW_COUNT, 0);
-        final Date date = new Date();
-
         final JSONObject admin = userRepository.getAdmin();
         final String authorEmail = admin.optString(User.USER_EMAIL);
-
-        article.put(Article.ARTICLE_CREATE_DATE, date);
-        article.put(Article.ARTICLE_UPDATE_DATE, date);
+        final long now = System.currentTimeMillis();
+        article.put(Article.ARTICLE_CREATED, now);
+        article.put(Article.ARTICLE_UPDATED, now);
         article.put(Article.ARTICLE_PUT_TOP, false);
         article.put(Article.ARTICLE_RANDOM_DOUBLE, Math.random());
         article.put(Article.ARTICLE_AUTHOR_EMAIL, authorEmail);
@@ -313,7 +310,7 @@ public class InitService {
         comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, "");
         comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, "");
         comment.put(Comment.COMMENT_THUMBNAIL_URL, Solos.GRAVATAR + "59a5e8209c780307dbe9c9ba728073f5??s=60&r=G");
-        comment.put(Comment.COMMENT_CREATED, date.getTime());
+        comment.put(Comment.COMMENT_CREATED, now);
         comment.put(Comment.COMMENT_ON_ID, articleId);
         comment.put(Comment.COMMENT_ON_TYPE, Article.ARTICLE);
         final String commentId = Ids.genTimeMillisId();
@@ -386,8 +383,8 @@ public class InitService {
      * @throws RepositoryException repository exception
      */
     public void archiveDate(final JSONObject article) throws RepositoryException {
-        final Date createDate = (Date) article.opt(Article.ARTICLE_CREATE_DATE);
-        final String createDateString = DateFormatUtils.format(createDate, "yyyy/MM");
+        final long created = article.optLong(Article.ARTICLE_CREATED);
+        final String createDateString = DateFormatUtils.format(created, "yyyy/MM");
         final JSONObject archiveDate = new JSONObject();
 
         try {

src/main/java/org/b3log/solo/util/comparator/ArticleCreateDateComparator.java

@@ -21,13 +21,12 @@ import org.b3log.solo.model.Article;
 import org.json.JSONObject;
 
 import java.util.Comparator;
-import java.util.Date;
 
 /**
  * Article comparator by create date.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.0.1, Dec 30, 2010
+ * @version 1.0.0.2, Sep 16, 2018
  */
 public final class ArticleCreateDateComparator implements Comparator<JSONObject> {
 
@@ -40,10 +39,10 @@ public final class ArticleCreateDateComparator implements Comparator<JSONObject>
     @Override
     public int compare(final JSONObject article1, final JSONObject article2) {
         try {
-            final Date date1 = (Date) article1.get(Article.ARTICLE_CREATE_DATE);
-            final Date date2 = (Date) article2.get(Article.ARTICLE_CREATE_DATE);
+            final long date1 = article1.getLong(Article.ARTICLE_CREATED);
+            final long date2 = article2.getLong(Article.ARTICLE_CREATED);
 
-            return date2.compareTo(date1);
+            return (int) (date2 - date1);
         } catch (final Exception e) {
             throw new IllegalStateException(e);
         }

src/main/java/org/b3log/solo/util/comparator/ArticleUpdateDateComparator.java

@@ -27,7 +27,7 @@ import java.util.Date;
  * Article comparator by update date.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.0.1, Dec 30, 2010
+ * @version 1.0.0.2, Sep 16, 2018
  */
 public final class ArticleUpdateDateComparator implements Comparator<JSONObject> {
 
@@ -40,8 +40,8 @@ public final class ArticleUpdateDateComparator implements Comparator<JSONObject>
     @Override
     public int compare(final JSONObject article1, final JSONObject article2) {
         try {
-            final Date date1 = (Date) article1.get(Article.ARTICLE_UPDATE_DATE);
-            final Date date2 = (Date) article2.get(Article.ARTICLE_UPDATE_DATE);
+            final Date date1 = (Date) article1.get(Article.ARTICLE_UPDATED);
+            final Date date2 = (Date) article2.get(Article.ARTICLE_UPDATED);
 
             return date2.compareTo(date1);
         } catch (final Exception e) {

src/main/resources/repository.json

@@ -530,13 +530,13 @@
                     "type": "boolean"
                 },
                 {
-                    "name": "articleCreateDate",
-                    "description": "文章创建时间",
+                    "name": "articleCreated",
+                    "description": "文章创建时间戳",
                     "type": "Date"
                 },
                 {
-                    "name": "articleUpdateDate",
-                    "description": "文章更新时间",
+                    "name": "articleUpdated",
+                    "description": "文章更新时间戳",
                     "type": "Date"
                 },
                 {

src/test/java/org/b3log/solo/repository/impl/ArticleRepositoryImplTestCase.java

@@ -17,8 +17,6 @@
  */
 package org.b3log.solo.repository.impl;
 
-import java.util.Date;
-import java.util.List;
 import org.b3log.latke.Keys;
 import org.b3log.latke.repository.Query;
 import org.b3log.latke.repository.Transaction;
@@ -30,6 +28,9 @@ import org.json.JSONObject;
 import org.testng.Assert;
 import org.testng.annotations.Test;
 
+import java.util.Date;
+import java.util.List;
+
 /**
  * {@link ArticleRepositoryImpl} test case.
  *
@@ -61,8 +62,8 @@ public final class ArticleRepositoryImplTestCase extends AbstractTestCase {
         article.put(Article.ARTICLE_HAD_BEEN_PUBLISHED, true);
         article.put(Article.ARTICLE_IS_PUBLISHED, true);
         article.put(Article.ARTICLE_PUT_TOP, false);
-        article.put(Article.ARTICLE_CREATE_DATE, new Date());
-        article.put(Article.ARTICLE_UPDATE_DATE, new Date());
+        article.put(Article.ARTICLE_CREATED, new Date().getTime());
+        article.put(Article.ARTICLE_UPDATED, new Date().getTime());
         article.put(Article.ARTICLE_RANDOM_DOUBLE, Math.random());
         article.put(Article.ARTICLE_SIGN_ID, "1");
         article.put(Article.ARTICLE_COMMENTABLE, true);
@@ -116,8 +117,8 @@ public final class ArticleRepositoryImplTestCase extends AbstractTestCase {
         article.put(Article.ARTICLE_HAD_BEEN_PUBLISHED, true);
         article.put(Article.ARTICLE_IS_PUBLISHED, true);
         article.put(Article.ARTICLE_PUT_TOP, false);
-        article.put(Article.ARTICLE_CREATE_DATE, new Date());
-        article.put(Article.ARTICLE_UPDATE_DATE, new Date());
+        article.put(Article.ARTICLE_CREATED, new Date().getTime());
+        article.put(Article.ARTICLE_UPDATED, new Date().getTime());
         article.put(Article.ARTICLE_RANDOM_DOUBLE, Math.random());
         article.put(Article.ARTICLE_SIGN_ID, "1");
         article.put(Article.ARTICLE_COMMENTABLE, true);
@@ -166,8 +167,8 @@ public final class ArticleRepositoryImplTestCase extends AbstractTestCase {
         article.put(Article.ARTICLE_HAD_BEEN_PUBLISHED, true);
         article.put(Article.ARTICLE_IS_PUBLISHED, true);
         article.put(Article.ARTICLE_PUT_TOP, false);
-        article.put(Article.ARTICLE_CREATE_DATE, new Date());
-        article.put(Article.ARTICLE_UPDATE_DATE, new Date());
+        article.put(Article.ARTICLE_CREATED, new Date().getTime());
+        article.put(Article.ARTICLE_UPDATED, new Date().getTime());
         article.put(Article.ARTICLE_RANDOM_DOUBLE, Math.random());
         article.put(Article.ARTICLE_SIGN_ID, "1");
         article.put(Article.ARTICLE_COMMENTABLE, true);
@@ -214,8 +215,8 @@ public final class ArticleRepositoryImplTestCase extends AbstractTestCase {
         article.put(Article.ARTICLE_HAD_BEEN_PUBLISHED, false);
         article.put(Article.ARTICLE_IS_PUBLISHED, false); // Unpublished
         article.put(Article.ARTICLE_PUT_TOP, false);
-        article.put(Article.ARTICLE_CREATE_DATE, new Date());
-        article.put(Article.ARTICLE_UPDATE_DATE, new Date());
+        article.put(Article.ARTICLE_CREATED, new Date().getTime());
+        article.put(Article.ARTICLE_UPDATED, new Date().getTime());
         article.put(Article.ARTICLE_RANDOM_DOUBLE, Math.random());
         article.put(Article.ARTICLE_SIGN_ID, "1");
         article.put(Article.ARTICLE_COMMENTABLE, true);