本文整理了Java中com.hp.hpl.jena.query.Query.hasGroupBy方法的一些代码示例，展示了Query.hasGroupBy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.hasGroupBy方法的具体详情如下：
包路径：com.hp.hpl.jena.query.Query
类名称：Query
方法名：hasGroupBy

Query.hasGroupBy介绍

暂无

代码示例

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

@Override
public void visitGroupBy(Query query)
{
  if ( query.hasGroupBy() )
    x ^= query.getGroupBy().hashCode() ;
}

代码示例来源：origin: com.hp.hpl.jena/arq

public void visitGroupBy(Query query)
{
  if ( query.hasGroupBy() )
    x ^= query.getGroupBy().hashCode() ;
}

代码示例来源：origin: com.hp.hpl.jena/arq

private void findAndAddNamedVars()
{
  Iterator<Var> varIter = null ;
  if ( hasGroupBy() )
    varIter = groupVars.getVars().iterator() ;
  else
  {
    // Binding variables -- in patterns, not in filters and not in EXISTS
    LinkedHashSet<Var> queryVars = new LinkedHashSet<Var>() ;
    PatternVars.vars(queryVars, this.getQueryPattern()) ;
    if ( this.hasBindings() )
      queryVars.addAll(getBindingVariables()) ;
    
    varIter = queryVars.iterator() ;
  }
  
  // All query variables, including ones from bNodes in the query.
  
  for ( ; varIter.hasNext() ; )
  {
    Object obj = varIter.next() ;
    //Var var = (Var)iter.next() ;
    Var var = (Var)obj ;
    if ( var.isNamedVar() )
      addResultVar(var) ;
  }
}

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

private void findAndAddNamedVars()
  {
    Iterator<Var> varIter = null ;
    if ( hasGroupBy() )
      varIter = groupVars.getVars().iterator() ;
    else
    {
      // Binding variables -- in patterns, not in filters and not in EXISTS
      LinkedHashSet<Var> queryVars = new LinkedHashSet<Var>() ;
      PatternVars.vars(queryVars, this.getQueryPattern()) ;
      if ( this.hasValues() )
        queryVars.addAll(getValuesVariables()) ;
//            if ( this.hasValues() )
//                queryVars.addAll(getValuesVariables()) ;
      varIter = queryVars.iterator() ;
    }
    
    // All query variables, including ones from bNodes in the query.
    
    for ( ; varIter.hasNext() ; )
    {
      Object obj = varIter.next() ;
      //Var var = (Var)iter.next() ;
      Var var = (Var)obj ;
      if ( var.isNamedVar() )
        addResultVar(var) ;
    }
  }

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

private static void checkExprVarUse(Query query)
  if ( query.hasGroupBy() )

代码示例来源：origin: com.hp.hpl.jena/arq

private static void checkExprVarUse(Query query)
  if ( query.hasGroupBy() )

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

@Override
public void visitGroupBy(Query query)
{
  if ( query.hasGroupBy() )
  {
    // Can have an empty GROUP BY list if the groupin gis implicit
    // by use of an aggregate in the SELECT clause.
    if ( ! query.getGroupBy().isEmpty() )
    {
      out.print("GROUP BY ") ;
      appendNamedExprList(query, out, query.getGroupBy()) ;
      out.println();
    }
  }
}

代码示例来源：origin: com.hp.hpl.jena/arq

public void visitGroupBy(Query query)
{
  if ( query.hasGroupBy() )
  {
    // Can have an empty GROUP BY list if the groupin gis implicit
    // by use of an aggregate in the SELECT clause.
    if ( ! query.getGroupBy().isEmpty() )
    {
      out.print("GROUP BY ") ;
      appendNamedExprList(query, out, query.getGroupBy()) ;
      out.println();
    }
  }
}

代码示例来源：origin: Quetzal-RDF/quetzal

/**
 * returns all variables mentioned in a query
 * @param query
 * @return
 */
public static Set<Var> getAllVariables(Query query) {
    Set<Var> vars=  getAllVariables(query.getQueryPattern());
    if (query.hasGroupBy() && query.getGroupBy()!=null && query.getGroupBy().getExprs()!=null) {
      for (Map.Entry<Var, Expr> e: query.getGroupBy().getExprs().entrySet()) {
        vars.add(e.getKey());
        ExprVars.varsMentioned(vars, e.getValue());
      }
    }
    if (query.hasHaving() && query.getHavingExprs()!=null) {
      for (Expr e: query.getHavingExprs()) {
        ExprVars.varsMentioned(vars, e);
      }
    }
    
    if (query.hasAggregators() && query.getAggregators()!=null) {
      for (ExprAggregator e: query.getAggregators()) {
        ExprVars.varsMentioned(vars, e);
      }
    }
    for (String v: query.getResultVars()) {
      vars.add(Var.alloc(v));
    }
    return vars;
}

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

private static void check(Query query, Collection<Var> vars)
{
  // Check any expressions are assigned to fresh variables.
  checkExprListAssignment(vars, query.getProject()) ;
  
  // Check for SELECT * GROUP BY
  // Legal in ARQ, not in SPARQL 1.1
  if ( ! Syntax.syntaxARQ.equals(query.getSyntax()) )
  {
    if ( query.isQueryResultStar() && query.hasGroupBy() )
      throw new QueryParseException("SELECT * not legal with GROUP BY", -1 , -1) ;
  }
  
  // Check any variable in an expression is in scope (if GROUP BY) 
  checkExprVarUse(query) ;
  
  // Check GROUP BY AS 
  // ENABLE
  if ( false && query.hasGroupBy() )
  {
    VarExprList exprList2 = query.getGroupBy() ;
    checkExprListAssignment(vars, exprList2) ;
  // CHECK 
  }
  
}

代码示例来源：origin: com.hp.hpl.jena/arq

private static void check(Query query, Collection<Var> vars)
{
  // Check any expressions are assigned to fresh variables.
  checkExprListAssignment(vars, query.getProject()) ;
  
  // Check for SELECT * GROUP BY
  // Legal in ARQ, not in SPARQL 1.1
  if ( ! Syntax.syntaxARQ.equals(query.getSyntax()) )
  {
    if ( query.isQueryResultStar() && query.hasGroupBy() )
      throw new QueryParseException("SELECT * not legal with GROUP BY", -1 , -1) ;
  }
  
  // Check any variable in an expression is in scope (if GROUP BY) 
  checkExprVarUse(query) ;
  
  // Check GROUP BY AS 
  // ENABLE
  if ( false && query.hasGroupBy() )
  {
    VarExprList exprList2 = query.getGroupBy() ;
    checkExprListAssignment(vars, exprList2) ;
  // CHECK 
  }
  
}

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

if ( query.hasGroupBy() )

代码示例来源：origin: com.hp.hpl.jena/arq

if ( query.hasGroupBy() )