org.apache.jena.query.Query.setDistinct()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.setDistinct方法的一些代码示例，展示了Query.setDistinct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.setDistinct方法的具体详情如下：
包路径：org.apache.jena.query.Query
类名称：Query
方法名：setDistinct

Query.setDistinct介绍

暂无

代码示例

代码示例来源：origin: apache/jena

  1. /**
  2.  * Set the reduced flag. Set or unset the reduced flag. Will set the reduced
  3.  * flag if it was previously set.
  4.  * 
  5.  * @param state
  6.  *            the state to set the reduced flag to.
  7.  */
  8. public void setReduced(boolean state) {
  9.   query.setReduced(state);
  10.   if (state) {
  11.     query.setDistinct(false);
  12.   }
  13. }

代码示例来源：origin: apache/jena

  1. /**
  2.  * Set the distinct flag. Set or unset the distinct flag. Will set the
  3.  * reduced flag if it was previously set.
  4.  * 
  5.  * @param state
  6.  *            the state to set the distinct flag to.
  7.  */
  8. public void setDistinct(boolean state) {
  9.   query.setDistinct(state);
  10.   if (state) {
  11.     query.setReduced(false);
  12.   }
  13. }

代码示例来源：origin: org.apache.jena/jena-querybuilder

  1. /**
  2.  * Set the distinct flag. Set or unset the distinct flag. Will set the
  3.  * reduced flag if it was previously set.
  4.  * 
  5.  * @param state
  6.  *            the state to set the distinct flag to.
  7.  */
  8. public void setDistinct(boolean state) {
  9.   query.setDistinct(state);
  10.   if (state) {
  11.     query.setReduced(false);
  12.   }
  13. }

代码示例来源：origin: org.apache.jena/jena-querybuilder

  1. /**
  2.  * Set the reduced flag. Set or unset the reduced flag. Will set the reduced
  3.  * flag if it was previously set.
  4.  * 
  5.  * @param state
  6.  *            the state to set the reduced flag to.
  7.  */
  8. public void setReduced(boolean state) {
  9.   query.setReduced(state);
  10.   if (state) {
  11.     query.setDistinct(false);
  12.   }
  13. }

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

  1. @Override
  2. public void visit(OpDistinct opDistinct)
  3. {
  4.   query.setDistinct(true) ;
  5.   opDistinct.getSubOp().visit(this) ;
  6. }

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

  1. default Query asQuery() {
  2.   Element e = getElement();
  3.   List<Var> vs = getVars();
  4.   
  5.   Query result = new Query();
  6.   result.setQuerySelectType();
  7.   result.setQueryPattern(getElement());
  8.   result.setDistinct(true);
  9.   
  10.   for(Var v : vs) {
  11.     result.getProjectVars().add(v);
  12.   }
  13.   return result;
  14. }

代码示例来源：origin: com.github.galigator.openllet/openllet-jena

  1. q.setDistinct( true );

代码示例来源：origin: Galigator/openllet

  1. q.setDistinct( true );

代码示例来源：origin: apache/jena

  1. @Override
  2. public void visitSelectResultForm(Query query) {
  3.   newQuery.setQuerySelectType();
  4.   newQuery.setDistinct(query.isDistinct());
  5.   VarExprList x = query.getProject();
  6.   for (Var v : x.getVars()) {
  7.     Expr expr = x.getExpr(v);
  8.     if (expr == null)
  9.       newQuery.addResultVar(v);
  10.     else
  11.       newQuery.addResultVar(v, expr);
  12.   }
  13. }

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

  1. public static Query createQueryCount(Query query, Var outputVar, Long itemLimit, Long rowLimit) {
  2.   Query subQuery = query.cloneQuery();
  3.   if(rowLimit != null) {
  4.     subQuery.setDistinct(false);
  5.     subQuery.setLimit(rowLimit);
  6.     subQuery = QueryGenerationUtils.wrapAsSubQuery(subQuery);
  7.     subQuery.setDistinct(true);
  8.   }
  9.   if(itemLimit != null) {
  10.     subQuery.setLimit(itemLimit);
  11.   }
  12.   Element esq = new ElementSubQuery(subQuery);
  13.   Query result = new Query();
  14.   Expr aggCount = result.allocAggregate(new AggCount());
  15.   result.setQuerySelectType();
  16.   result.getProject().add(outputVar, aggCount);
  17.   result.setQueryPattern(esq);
  18.   return result;
  19. }

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

  1. @Override
  2. public void visitSelectResultForm(Query query) {
  3.   newQuery.setQuerySelectType() ;
  4.   newQuery.setDistinct(query.isDistinct()) ;
  5.   VarExprList x = query.getProject() ;
  6.   for (Var v : x.getVars()) {
  7.     Expr expr = x.getExpr(v) ;
  8.     if ( expr == null )
  9.       newQuery.addResultVar(v) ;
  10.     else
  11.       newQuery.addResultVar(v, expr) ;
  12.   }
  13. }

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

  1. public static Query createQueryCount(Concept concept, Var outputVar, Long itemLimit, Long rowLimit) {
  2.   Query subQuery = createQueryList(concept);
  3.   if(rowLimit != null) {
  4.     subQuery.setDistinct(false);
  5.     subQuery.setLimit(rowLimit);
  6.     subQuery = QueryGenerationUtils.wrapAsSubQuery(subQuery, concept.getVar());
  7.     subQuery.setDistinct(true);
  8.   }
  9.   if(itemLimit != null) {
  10.     subQuery.setLimit(itemLimit);
  11.   }
  12.   Element esq = new ElementSubQuery(subQuery);
  13.   Query result = new Query();
  14.   result.setQuerySelectType();
  15.   result.getProject().add(outputVar, new ExprAggregator(null, new AggCount()));//new ExprAggregator(concept.getVar(), new AggCount()));
  16.   result.setQueryPattern(esq);
  17.   return result;
  18. }

代码示例来源：origin: SmartDataAnalytics/DL-Learner

  1. try {
  2.   query.setOffset(Query.NOLIMIT);
  3.   query.setDistinct(true);

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

  1. public static Query createQueryCount(Concept concept, Long itemLimit, Long rowLimit, Var resultVar) {
  2.   Query subQuery = concept.asQuery();
  3.   if(rowLimit != null) {
  4.     subQuery.setDistinct(false);
  5.     subQuery.setLimit(rowLimit);
  6.     subQuery = createSubQuery(subQuery, concept.getVar());
  7.     subQuery.setDistinct(true);
  8.   }
  9.   if(itemLimit != null) {
  10.     subQuery.setLimit(itemLimit);
  11.   }
  12.   Element esq = new ElementSubQuery(subQuery);
  13.   Query result = new Query();
  14.   result.setQuerySelectType();
  15.   result.getProject().add(resultVar, new ExprAggregator(concept.getVar(), new AggCount()));
  16.   result.setQueryPattern(esq);
  17.   return result;
  18. }

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

  1. public static Query constructBySubjects(Collection<Node> ss) {
  2.   ExprVar vs = new ExprVar(s);
  3.   Query query = QueryFactory.create();
  4.   query.setQueryConstructType();
  5.   query.setDistinct(true);
  6.   Triple triple = new Triple(s, p, o);
  7.   ElementGroup group = new ElementGroup();
  8.   group.addTriplePattern(triple);
  9.   List<Expr> exprs = new ArrayList<Expr>();
  10.   for(Node item : ss) {
  11.     if(!item.isURI()) {
  12.       continue;
  13.     }
  14.     exprs.add(new E_Equals(vs, NodeValue.makeNode(item)));
  15.   }
  16.   if(exprs.isEmpty()) {
  17.     return null;
  18.   }
  19.   Expr or = ExprUtils.orifyBalanced(exprs);
  20.   group.addElementFilter(new ElementFilter(or));
  21.   BasicPattern bgp = new BasicPattern();
  22.   bgp.add(triple);
  23.   query.setConstructTemplate(new Template(bgp));
  24.   query.setQueryPattern(group);
  25.   return query;
  26. }

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

  1. public static Query createQueryList(UnaryRelation concept, Long limit, Long offset) {
  2.     Query result = new Query();
  3.     result.setQuerySelectType();
  4.     result.setDistinct(true);
  6.     result.setLimit(limit == null ? Query.NOLIMIT : limit);
  7.     result.setOffset(offset == null ? Query.NOLIMIT : offset);
  9.     result.getProject().add(concept.getVar());
  10.     Element e = concept.getElement();
  11.     if(e instanceof ElementSubQuery) {
  12.       e = ElementUtils.createElementGroup(e);
  13.     }
  15.     result.setQueryPattern(e);
  17. //        String str = result.toString();
  18. //        System.out.println(str);
  19.     return result;
  20.   }

代码示例来源：origin: SmartDataAnalytics/DL-Learner

  1. newQuery.setDistinct(true);
  2. newQuery.setQueryPattern(el);

代码示例来源：origin: SmartDataAnalytics/DL-Learner

  1. newQuery.setQueryPattern(eg);
  2. newQuery.addProjectVars(query.getProjectVars());
  3. newQuery.setDistinct(true);
  4. queries.add(newQuery);

代码示例来源：origin: SmartDataAnalytics/DL-Learner

  1. @Override
  2. public Query toQuery(){
  3.   Query query = QueryFactory.make();
  4.   query.setQuerySelectType();
  5.   query.addResultVar(NodeFactory.createVariable("x0"));
  6.   query.setDistinct(true);
  7.   query.setPrefix("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
  8.   query.setPrefix("rdfs", "http://www.w3.org/2000/01/rdf-schema#");
  9.   query.setPrefix("yago", "http://dbpedia.org/class/yago/");
  10.   query.setPrefix("cyc", "http://sw.opencyc.org/2008/06/10/concept/");
  11.   query.setPrefix("owl", "http://www.w3.org/2002/07/owl#");
  12.   query.setPrefix("dbp", "http://dbpedia.org/property/");
  13.   query.setPrefix("dbo", "http://dbpedia.org/ontology/");
  14.   query.setPrefix("dbr", "http://dbpedia.org/resource/");
  15.   query.setPrefix("dc", "http://purl.org/dc/terms/");
  16.   ElementGroup whereClause = new ElementGroup();
  17.   ElementTriplesBlock triples = new ElementTriplesBlock();
  18.   for(Triple t : buildTriples(this)){
  19.     triples.addTriple(t);
  20.   }
  21.   whereClause.addElement(triples);
  22.   
  23.   query.setQueryPattern(whereClause);
  24.   return query;
  25. }

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

  1. public static Query inOutTemplate(Node s, Node p, Node o)
  2. {
  3.   Query query = QueryFactory.create();
  4.   query.setQueryConstructType();
  5.   query.setDistinct(true);
  6.   Triple triple = new Triple(s, p, o);
  7.   ElementGroup group = new ElementGroup();
  8.   group.addTriplePattern(triple);
  9.   // Avoid non-uris as objects
  10.   if(o.isVariable()) {
  11.     group.addElementFilter(new ElementFilter(new E_IsURI(new ExprVar(o))));
  12.     group.addElementFilter(new ElementFilter(new E_LogicalNot(new E_IsBlank(new ExprVar(o)))));
  13.   }
  14.   BasicPattern bgp = new BasicPattern();
  15.   bgp.add(triple);
  16.   query.setConstructTemplate(new Template(bgp));
  17.   query.setQueryPattern(group);
  18.   return query;
  19. }

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