org.apache.jena.query.Query.hasOrderBy()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.apache.jena.query.Query.hasOrderBy方法的一些代码示例,展示了Query.hasOrderBy的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Query.hasOrderBy方法的具体详情如下:
包路径:org.apache.jena.query.Query
类名称:Query
方法名:hasOrderBy

Query.hasOrderBy介绍

暂无

代码示例

代码示例来源:origin: apache/tinkerpop

  1. /**
  2. * Extracts any {@code SortCondition} instances from the SPARQL query and holds them in an index of their keys
  3. * where the value is that keys sorting direction.
  4. */
  5. private static Map<String, Order> createOrderIndexFromQuery(final Query query) {
  6. final Map<String, Order> orderingIndex = new HashMap<>();
  7. if (query.hasOrderBy()) {
  8. final List<SortCondition> sortingConditions = query.getOrderBy();
  9. for (SortCondition sortCondition : sortingConditions) {
  10. final Expr expr = sortCondition.getExpression();
  11. // by default, the sort will be ascending. getDirection() returns -2 if the DESC/ASC isn't
  12. // supplied - weird
  13. orderingIndex.put(expr.getVarName(), sortCondition.getDirection() == -1 ? Order.decr : Order.incr);
  14. }
  15. }
  16. return orderingIndex;
  17. }

代码示例来源:origin: apache/tinkerpop

  1. if (query.hasOrderBy() && query.hasGroupBy())
  2. orderingIndex.forEach((k, v) -> traversal = traversal.order().by(__.select(k), v));
  3. offset = query.getOffset();
  4. if (query.hasGroupBy() && query.hasOrderBy())
  5. traversal = traversal.range(Scope.local, offset, offset + limit);
  6. else

代码示例来源:origin: apache/jena

  1. public boolean isOrdered() { return hasOrderBy() ; }

代码示例来源:origin: apache/jena

  1. @Override
  2. public void visitOrderBy(Query query) {
  3. if (query.hasOrderBy()) {
  4. for (SortCondition sc : query.getOrderBy())
  5. newQuery.addOrderBy(sc);
  6. }
  7. }

代码示例来源:origin: SmartDataAnalytics/jena-sparql-api

  1. @Override
  2. public void visitOrderBy(Query query) {
  3. if ( query.hasOrderBy() ) {
  4. for (SortCondition sc : query.getOrderBy())
  5. newQuery.addOrderBy(sc) ;
  6. }
  7. }

代码示例来源:origin: apache/jena

  1. @Override
  2. public void visitOrderBy(Query query)
  3. {
  4. if ( query.hasOrderBy() )
  5. {
  6. out.print("ORDER BY ") ;
  7. boolean first = true ;
  8. for (SortCondition sc : query.getOrderBy())
  9. {
  10. if ( ! first )
  11. out.print(" ") ;
  12. sc.format(fmtExpr, out) ;
  13. first = false ;
  14. }
  15. out.println() ;
  16. }
  17. }

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