Package com.hp.hpl.jena.sparql.expr

Examples of com.hp.hpl.jena.sparql.expr.E_LogicalNot

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    private Op compileElementNotExists(Op current, ElementNotExists elt2)
    {
        Op op = compile(elt2.getElement()) ;    // "compile", not "compileElement" -- do simpliifcation 
        Expr expr = new E_Exists(elt2, op) ;
        expr = new E_LogicalNot(expr) ;
        return OpFilter.filter(expr, current) ;
    }
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      {
        subExpr = curExpr;
        // step down
        this.resultExpr = curExpr;
        ((ExprFunction1) subExpr).getArg().visit(this);
        this.resultExpr = new E_LogicalNot(this.resultExpr);
      } else {
        this.resultExpr = curExpr;
      }
    }
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          if (!(leftExpr instanceof E_LogicalNot))
          {
            // add not
            leftExpr = new E_LogicalNot(leftExpr); 
          }else
          {
            // remove not
            leftExpr = ((E_LogicalNot)leftExpr).getArg();
          }
         
          if (!(rightExpr instanceof E_LogicalNot))
          {
            // add not
            rightExpr = new E_LogicalNot(rightExpr);
          }else
          {
            // remove not
            rightExpr = ((E_LogicalNot)rightExpr).getArg();
          }
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