Package com.hp.hpl.jena.sparql.core

Examples of com.hp.hpl.jena.sparql.core.VarExprList

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    }  
   
    private OpExtend(Op subOp)
    {
        super(subOp) ;
        assignments = new VarExprList() ;
    }
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    { opVisitor.visit(this) ; }

    @Override
    public Op1 copy(Op subOp)
    {
        OpExtend op = new OpExtend(subOp, new VarExprList(getVarExprList())) ;
        return op ;
    }
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        }
       
        @Override
        public void visit(OpAssign opAssign)
        {
            VarExprList varExpr = opAssign.getVarExprList() ;
            VarExprList varExpr2 = process(varExpr, exprTransform) ;
            OpAssign opAssign2 = opAssign ;
            if ( varExpr != varExpr2 )
                opAssign2 = OpAssign.assignDirect(opAssign.getSubOp(), varExpr2) ;
            visit1(opAssign2) ;
        }
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        }
       
        @Override
        public void visit(OpExtend opExtend)
        {
            VarExprList varExpr = opExtend.getVarExprList() ;
            VarExprList varExpr2 = process(varExpr, exprTransform) ;
            OpExtend opExtend2 = opExtend ;
            if ( varExpr != varExpr2 )
                opExtend2 = OpExtend.extendDirect(opExtend.getSubOp(), varExpr2) ;
            visit1(opExtend2) ;
        }
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        }
       
        private static VarExprList process(VarExprList varExpr, ExprTransform exprTransform)
        {
            List<Var> vars = varExpr.getVars() ;
            VarExprList varExpr2 = new VarExprList() ;
            boolean changed = false ;
            for ( Var v : vars )
            {
                Expr e = varExpr.getExpr(v) ;
                Expr e2 =  e ;
                if ( e != null )
                    e2 = transform(e, exprTransform) ;
                if ( e2 == null )
                    varExpr2.add(v) ;
                else
                    varExpr2.add(v, e2) ;
                if ( e != e2 )
                    changed = true ;
            }
            if ( ! changed )
                return varExpr ;
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        @Override
        public void visit(OpGroup opGroup)
        {
            boolean changed = false ;

            VarExprList varExpr = opGroup.getGroupVars() ;
            VarExprList varExpr2 = process(varExpr, exprTransform) ;
            if ( varExpr != varExpr2 )
                changed = true ;
           
           
            List<ExprAggregator> aggs = opGroup.getAggregators() ;
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    public static OpAssign assignDirect(Op op, VarExprList exprs) {
        return new OpAssign(op, exprs) ;
    }

    static private Op createAssign(Op op, Var var, Expr expr) {
        return new OpAssign(op, new VarExprList(var, expr)) ;
    }
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        return new OpAssign(op, new VarExprList(var, expr)) ;
    }

    static private Op createAssign(Op op, VarExprList exprs) {
        // Create, copying the var-expr list
        VarExprList x = new VarExprList() ;
        x.addAll(exprs) ;
        return new OpAssign(op, x) ;
    }
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        opVisitor.visit(this) ;
    }

    @Override
    public Op1 copy(Op subOp) {
        OpAssign op = new OpAssign(subOp, new VarExprList(getVarExprList())) ;
        return op ;
    }
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        return new OpProject(subOp, x2) ;
    }
   
    @Override public Op transform(OpAssign opAssign, Op subOp)
    {
        VarExprList varExprList = opAssign.getVarExprList() ;
        VarExprList varExprList2 = NodeTransformLib.transform(transform, varExprList) ;
        if ( varExprList == varExprList2 )
            return super.transform(opAssign, subOp) ;
        return OpAssign.assign(subOp, varExprList2) ;
    }
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Related Classes of com.hp.hpl.jena.sparql.core.VarExprList

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  • com.hp.hpl.jena.sparql.algebra.optimize.TransformFilterImplicitJoin
  • com.hp.hpl.jena.sparql.algebra.optimize.TransformFilterInequality
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