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

Query.addGroupBy介绍

暂无

代码示例

代码示例来源：origin: apache/jena

/**
 * Add an expression to the group by clause. 
 * @param expr The expression to add.
 */
public void addGroupBy(Expr expr) {
  query.addGroupBy(expr);
}

代码示例来源：origin: apache/jena

/**
 * Add a node to the group by clause. 
 * @param var The variable to add.
 */
public void addGroupBy(Var var) {
  query.addGroupBy(var);
}

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

/**
 * Add a node to the group by clause. 
 * @param var The variable to add.
 */
public void addGroupBy(Var var) {
  query.addGroupBy(var);
}

代码示例来源：origin: apache/jena

/**
 * Add var and expression to the group by clause.
 * @param var The variable to add.
 * @param expr The expression to add.
 */
public void addGroupBy(Var var, Expr expr) {
  query.addGroupBy(var, expr);
}

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

/**
 * Add var and expression to the group by clause.
 * @param var The variable to add.
 * @param expr The expression to add.
 */
public void addGroupBy(Var var, Expr expr) {
  query.addGroupBy(var, expr);
}

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

/**
 * Add an expression to the group by clause. 
 * @param expr The expression to add.
 */
public void addGroupBy(Expr expr) {
  query.addGroupBy(expr);
}

代码示例来源：origin: apache/jena

public void addGroupBy(Expr expr) { addGroupBy(null, expr) ; }

代码示例来源：origin: apache/jena

public void addGroupBy(String varName)
{
  varName = Var.canonical(varName) ;
  addGroupBy(Var.alloc(varName)) ;
}

代码示例来源：origin: apache/jena

@Override
public void visitGroupBy(Query query) {
  if (query.hasGroupBy()) {
    VarExprList x = query.getGroupBy();
    for (Var v : x.getVars()) {
      Expr expr = x.getExpr(v);
      if (expr == null)
        newQuery.addGroupBy(v);
      else
        newQuery.addGroupBy(v, expr);
    }
  }
}

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

@Override
public void visitGroupBy(Query query) {
  if ( query.hasGroupBy() ) {
    VarExprList x = query.getGroupBy() ;
    for (Var v : x.getVars()) {
      Expr expr = x.getExpr(v) ;
      if ( expr == null )
        newQuery.addGroupBy(v) ;
      else
        newQuery.addGroupBy(v, expr) ;
    }
  }
}

代码示例来源：origin: apache/jena

public void addGroupBy(Var v, Expr expr)
{
  if ( v == null )
    v = allocInternVar() ;
  
  if ( expr.isVariable() && v.isAllocVar() )
  {
    // It was (?x) with no AS - keep the name by adding by variable.
    addGroupBy(expr.asVar()) ;
    return ;
  }
  
  groupVars.add(v, expr) ;
}

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

@Override
public void visit(OpGroup opGroup) {
  List<ExprAggregator> a = opGroup.getAggregators();
  // Aggregators are broken up in the algebra, split between a
  // group and an assignment (extend or assign) using a generated var.
  // We record them here and insert later.
  for (ExprAggregator ea : a) {
    // Substitute generated var for actual
    Var givenVar = ea.getAggVar().asVar();
    // Copy aggregator across (?)
    Expr myAggr = query.allocAggregate(ea.getAggregator());
    varExpression.put(givenVar, myAggr);
  }
  VarExprList b = opGroup.getGroupVars();
  for (Var v : b.getVars()) {
    Expr e = b.getExpr(v);
    if (e != null) {
      query.addGroupBy(v, e);
    } else {
      query.addGroupBy(v);
    }
  }
  opGroup.getSubOp().visit(this);
}

代码示例来源：origin: apache/jena

case SHA512:
 expr = BuiltInCall();
            getQuery().addGroupBy((Var)null, expr) ;
 break;
case IRIref:
case PNAME_LN:
 expr = FunctionCall();
            getQuery().addGroupBy((Var)null, expr) ;
 break;
case LPAREN:
 getQuery().addGroupBy(v ,expr) ;
 break;
case VAR1:
case VAR2:
 v = Var();
 getQuery().addGroupBy(v) ;
 break;
default:

代码示例来源：origin: apache/jena

case SHA512:
 expr = BuiltInCall();
            getQuery().addGroupBy((Var)null, expr) ;
 break;
case IRIref:
case PNAME_LN:
 expr = FunctionCall();
            getQuery().addGroupBy((Var)null, expr) ;
 break;
case LPAREN:
 getQuery().addGroupBy(v ,expr) ;
 break;
case VAR1:
case VAR2:
 v = Var();
 getQuery().addGroupBy(v) ;
 break;
default:

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

pa.add(cnta, new ExprAggregator(Vars.x, new AggCountVar(targetEv)));
qa.setQueryPattern(roleElement);
qa.addGroupBy(sourceVar);
qb.addGroupBy(sourceVar);
qb.addGroupBy(targetVar);

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

pa.add(cnta, new ExprAggregator(Vars.x, new AggCountVar(targetEv)));
qa.setQueryPattern(roleElement);
qa.addGroupBy(sourceVar);
qb.addGroupBy(sourceVar);