Examples with Query org.b3log.latke.repository.Query used on opensource projects

Example 76 with Query

use of org.b3log.latke.repository.Query in project solo by b3log.

the class ArticleRepositoryImpl method getPreviousArticle.

@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 Query query = new Query().setFilter(CompositeFilterOperator.and(new PropertyFilter(Article.ARTICLE_CREATE_DATE, FilterOperator.LESS_THAN, currentArticleCreateDate), new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true))).addSort(Article.ARTICLE_CREATE_DATE, SortDirection.DESCENDING).setCurrentPageNum(1).setPageSize(1).setPageCount(1).addProjection(Article.ARTICLE_TITLE, String.class).addProjection(Article.ARTICLE_PERMALINK, String.class).addProjection(Article.ARTICLE_ABSTRACT, String.class);
    final JSONObject result = get(query);
    final JSONArray array = result.optJSONArray(Keys.RESULTS);
    if (1 != array.length()) {
        return null;
    }
    final JSONObject ret = new JSONObject();
    final JSONObject article = array.optJSONObject(0);
    try {
        ret.put(Article.ARTICLE_TITLE, article.getString(Article.ARTICLE_TITLE));
        ret.put(Article.ARTICLE_PERMALINK, article.getString(Article.ARTICLE_PERMALINK));
        ret.put(Article.ARTICLE_ABSTRACT, article.getString((Article.ARTICLE_ABSTRACT)));
    } catch (final JSONException e) {
        throw new RepositoryException(e);
    }
    return ret;
}

Example 77 with Query

use of org.b3log.latke.repository.Query in project solo by b3log.

the class ArticleRepositoryImpl method getMostViewCountArticles.

@Override
public List<JSONObject> getMostViewCountArticles(final int num) throws RepositoryException {
    final Query query = new Query();
    query.addSort(Article.ARTICLE_VIEW_COUNT, SortDirection.DESCENDING).addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING);
    query.setFilter(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true));
    query.setCurrentPageNum(1);
    query.setPageSize(num);
    query.setPageCount(1);
    final JSONObject result = get(query);
    final JSONArray array = result.optJSONArray(Keys.RESULTS);
    return CollectionUtils.jsonArrayToList(array);
}

Example 78 with Query

use of org.b3log.latke.repository.Query in project solo by b3log.

the class ArticleRepositoryImpl method getRandomly.

@Override
public List<JSONObject> getRandomly(final int fetchSize) throws RepositoryException {
    final List<JSONObject> ret = new ArrayList<JSONObject>();
    if (0 == count()) {
        return ret;
    }
    final double mid = Math.random() + RANDOM_RANGE;
    LOGGER.log(Level.TRACE, "Random mid[{0}]", mid);
    Query query = new Query();
    query.setFilter(CompositeFilterOperator.and(new PropertyFilter(Article.ARTICLE_RANDOM_DOUBLE, FilterOperator.GREATER_THAN_OR_EQUAL, mid), new PropertyFilter(Article.ARTICLE_RANDOM_DOUBLE, FilterOperator.LESS_THAN_OR_EQUAL, mid), new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true)));
    query.setCurrentPageNum(1);
    query.setPageSize(fetchSize);
    query.setPageCount(1);
    final JSONObject result1 = get(query);
    final JSONArray array1 = result1.optJSONArray(Keys.RESULTS);
    final List<JSONObject> list1 = CollectionUtils.<JSONObject>jsonArrayToList(array1);
    ret.addAll(list1);
    final int reminingSize = fetchSize - array1.length();
    if (0 != reminingSize) {
        // Query for remains
        query = new Query();
        query.setFilter(CompositeFilterOperator.and(new PropertyFilter(Article.ARTICLE_RANDOM_DOUBLE, FilterOperator.GREATER_THAN_OR_EQUAL, 0D), new PropertyFilter(Article.ARTICLE_RANDOM_DOUBLE, FilterOperator.LESS_THAN_OR_EQUAL, mid), new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true)));
        query.setCurrentPageNum(1);
        query.setPageSize(reminingSize);
        query.setPageCount(1);
        final JSONObject result2 = get(query);
        final JSONArray array2 = result2.optJSONArray(Keys.RESULTS);
        final List<JSONObject> list2 = CollectionUtils.<JSONObject>jsonArrayToList(array2);
        ret.addAll(list2);
    }
    return ret;
}

Example 79 with Query

use of org.b3log.latke.repository.Query in project solo by b3log.

the class CommentRepositoryImpl method getComments.

@Override
public List<JSONObject> getComments(final String onId, final int currentPageNum, final int pageSize) throws RepositoryException {
    final Query query = new Query().addSort(Keys.OBJECT_ID, SortDirection.DESCENDING).setFilter(new PropertyFilter(Comment.COMMENT_ON_ID, FilterOperator.EQUAL, onId)).setCurrentPageNum(currentPageNum).setPageSize(pageSize).setPageCount(1);
    final JSONObject result = get(query);
    final JSONArray array = result.optJSONArray(Keys.RESULTS);
    return CollectionUtils.jsonArrayToList(array);
}

Example 80 with Query

use of org.b3log.latke.repository.Query in project solo by b3log.

the class LinkRepositoryImpl method getUnder.

@Override
public JSONObject getUnder(final String id) throws RepositoryException {
    final JSONObject link = get(id);
    if (null == link) {
        return null;
    }
    final Query query = new Query();
    query.setFilter(new PropertyFilter(Link.LINK_ORDER, FilterOperator.GREATER_THAN, link.optInt(Link.LINK_ORDER))).addSort(Link.LINK_ORDER, SortDirection.ASCENDING);
    query.setCurrentPageNum(1);
    query.setPageSize(1);
    final JSONObject result = get(query);
    final JSONArray array = result.optJSONArray(Keys.RESULTS);
    if (1 != array.length()) {
        return null;
    }
    return array.optJSONObject(0);
}