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

/**
 * Set the reduced flag. Set or unset the reduced flag. Will set the reduced
 * flag if it was previously set.
 * 
 * @param state
 *            the state to set the reduced flag to.
 */
public void setReduced(boolean state) {
  query.setReduced(state);
  if (state) {
    query.setDistinct(false);
  }
}

代码示例来源：origin: apache/jena

/**
 * Set the distinct flag. Set or unset the distinct flag. Will set the
 * reduced flag if it was previously set.
 * 
 * @param state
 *            the state to set the distinct flag to.
 */
public void setDistinct(boolean state) {
  query.setDistinct(state);
  if (state) {
    query.setReduced(false);
  }
}

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

/**
 * Set the distinct flag. Set or unset the distinct flag. Will set the
 * reduced flag if it was previously set.
 * 
 * @param state
 *            the state to set the distinct flag to.
 */
public void setDistinct(boolean state) {
  query.setDistinct(state);
  if (state) {
    query.setReduced(false);
  }
}

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

/**
 * Set the reduced flag. Set or unset the reduced flag. Will set the reduced
 * flag if it was previously set.
 * 
 * @param state
 *            the state to set the reduced flag to.
 */
public void setReduced(boolean state) {
  query.setReduced(state);
  if (state) {
    query.setDistinct(false);
  }
}

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

@Override
public void visit(OpDistinct opDistinct)
{
  query.setDistinct(true) ;
  opDistinct.getSubOp().visit(this) ;
}

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

default Query asQuery() {
  Element e = getElement();
  List<Var> vs = getVars();
  
  Query result = new Query();
  result.setQuerySelectType();
  result.setQueryPattern(getElement());
  result.setDistinct(true);
  
  for(Var v : vs) {
    result.getProjectVars().add(v);
  }
  return result;
}

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

q.setDistinct( true );

代码示例来源：origin: Galigator/openllet

q.setDistinct( true );

代码示例来源：origin: apache/jena

@Override
public void visitSelectResultForm(Query query) {
  newQuery.setQuerySelectType();
  newQuery.setDistinct(query.isDistinct());
  VarExprList x = query.getProject();
  for (Var v : x.getVars()) {
    Expr expr = x.getExpr(v);
    if (expr == null)
      newQuery.addResultVar(v);
    else
      newQuery.addResultVar(v, expr);
  }
}

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

public static Query createQueryCount(Query query, Var outputVar, Long itemLimit, Long rowLimit) {
  Query subQuery = query.cloneQuery();
  if(rowLimit != null) {
    subQuery.setDistinct(false);
    subQuery.setLimit(rowLimit);
    subQuery = QueryGenerationUtils.wrapAsSubQuery(subQuery);
    subQuery.setDistinct(true);
  }
  if(itemLimit != null) {
    subQuery.setLimit(itemLimit);
  }
  Element esq = new ElementSubQuery(subQuery);
  Query result = new Query();
  Expr aggCount = result.allocAggregate(new AggCount());
  result.setQuerySelectType();
  result.getProject().add(outputVar, aggCount);
  result.setQueryPattern(esq);
  return result;
}

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

@Override
public void visitSelectResultForm(Query query) {
  newQuery.setQuerySelectType() ;
  newQuery.setDistinct(query.isDistinct()) ;
  VarExprList x = query.getProject() ;
  for (Var v : x.getVars()) {
    Expr expr = x.getExpr(v) ;
    if ( expr == null )
      newQuery.addResultVar(v) ;
    else
      newQuery.addResultVar(v, expr) ;
  }
}

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

public static Query createQueryCount(Concept concept, Var outputVar, Long itemLimit, Long rowLimit) {
  Query subQuery = createQueryList(concept);
  if(rowLimit != null) {
    subQuery.setDistinct(false);
    subQuery.setLimit(rowLimit);
    subQuery = QueryGenerationUtils.wrapAsSubQuery(subQuery, concept.getVar());
    subQuery.setDistinct(true);
  }
  if(itemLimit != null) {
    subQuery.setLimit(itemLimit);
  }
  Element esq = new ElementSubQuery(subQuery);
  Query result = new Query();
  result.setQuerySelectType();
  result.getProject().add(outputVar, new ExprAggregator(null, new AggCount()));//new ExprAggregator(concept.getVar(), new AggCount()));
  result.setQueryPattern(esq);
  return result;
}

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

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

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

public static Query createQueryCount(Concept concept, Long itemLimit, Long rowLimit, Var resultVar) {
  Query subQuery = concept.asQuery();
  if(rowLimit != null) {
    subQuery.setDistinct(false);
    subQuery.setLimit(rowLimit);
    subQuery = createSubQuery(subQuery, concept.getVar());
    subQuery.setDistinct(true);
  }
  if(itemLimit != null) {
    subQuery.setLimit(itemLimit);
  }
  Element esq = new ElementSubQuery(subQuery);
  Query result = new Query();
  result.setQuerySelectType();
  result.getProject().add(resultVar, new ExprAggregator(concept.getVar(), new AggCount()));
  result.setQueryPattern(esq);
  return result;
}

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

public static Query constructBySubjects(Collection<Node> ss) {
  ExprVar vs = new ExprVar(s);
  Query query = QueryFactory.create();
  query.setQueryConstructType();
  query.setDistinct(true);
  Triple triple = new Triple(s, p, o);
  ElementGroup group = new ElementGroup();
  group.addTriplePattern(triple);
  List<Expr> exprs = new ArrayList<Expr>();
  for(Node item : ss) {
    if(!item.isURI()) {
      continue;
    }
    exprs.add(new E_Equals(vs, NodeValue.makeNode(item)));
  }
  if(exprs.isEmpty()) {
    return null;
  }
  Expr or = ExprUtils.orifyBalanced(exprs);
  group.addElementFilter(new ElementFilter(or));
  BasicPattern bgp = new BasicPattern();
  bgp.add(triple);
  query.setConstructTemplate(new Template(bgp));
  query.setQueryPattern(group);
  return query;
}

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

public static Query createQueryList(UnaryRelation concept, Long limit, Long offset) {
    Query result = new Query();
    result.setQuerySelectType();
    result.setDistinct(true);

    result.setLimit(limit == null ? Query.NOLIMIT : limit);
    result.setOffset(offset == null ? Query.NOLIMIT : offset);

    result.getProject().add(concept.getVar());
    Element e = concept.getElement();
    if(e instanceof ElementSubQuery) {
      e = ElementUtils.createElementGroup(e);
    }

    result.setQueryPattern(e);

//        String str = result.toString();
//        System.out.println(str);
    return result;
  }

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

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

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

newQuery.setQueryPattern(eg);
newQuery.addProjectVars(query.getProjectVars());
newQuery.setDistinct(true);
queries.add(newQuery);

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

@Override
public Query toQuery(){
  Query query = QueryFactory.make();
  query.setQuerySelectType();
  query.addResultVar(NodeFactory.createVariable("x0"));
  query.setDistinct(true);
  query.setPrefix("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
  query.setPrefix("rdfs", "http://www.w3.org/2000/01/rdf-schema#");
  query.setPrefix("yago", "http://dbpedia.org/class/yago/");
  query.setPrefix("cyc", "http://sw.opencyc.org/2008/06/10/concept/");
  query.setPrefix("owl", "http://www.w3.org/2002/07/owl#");
  query.setPrefix("dbp", "http://dbpedia.org/property/");
  query.setPrefix("dbo", "http://dbpedia.org/ontology/");
  query.setPrefix("dbr", "http://dbpedia.org/resource/");
  query.setPrefix("dc", "http://purl.org/dc/terms/");
  ElementGroup whereClause = new ElementGroup();
  ElementTriplesBlock triples = new ElementTriplesBlock();
  for(Triple t : buildTriples(this)){
    triples.addTriple(t);
  }
  whereClause.addElement(triples);
  
  query.setQueryPattern(whereClause);
  return query;
}

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

public static Query inOutTemplate(Node s, Node p, Node o)
{
  Query query = QueryFactory.create();
  query.setQueryConstructType();
  query.setDistinct(true);
  Triple triple = new Triple(s, p, o);
  ElementGroup group = new ElementGroup();
  group.addTriplePattern(triple);
  // Avoid non-uris as objects
  if(o.isVariable()) {
    group.addElementFilter(new ElementFilter(new E_IsURI(new ExprVar(o))));
    group.addElementFilter(new ElementFilter(new E_LogicalNot(new E_IsBlank(new ExprVar(o)))));
  }
  BasicPattern bgp = new BasicPattern();
  bgp.add(triple);
  query.setConstructTemplate(new Template(bgp));
  query.setQueryPattern(group);
  return query;
}

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