Package com.hp.hpl.jena.sparql.algebra

Examples of com.hp.hpl.jena.sparql.algebra.TransformCopy

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        if ( context.isTrueOrUndef(ARQ.optPathFlatten) )
            op = apply("Path flattening", new TransformPathFlattern(), op) ;

        // Expression constant folding
        if ( context.isTrueOrUndef(ARQ.optExprConstantFolding) )
            op = Transformer.transform(new TransformCopy(), new ExprTransformConstantFold(), op);
       
        // Need to allow subsystems to play with this list.
       
        if ( context.isTrueOrUndef(ARQ.propertyFunctions) )
            op = apply("Property Functions", new TransformPropertyFunction(context), op) ;
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    }

    @Override
    public Expr transform(ExprFunctionOp funcOp, ExprList args, Op opArg) {
        // Manually transform each argument
        Op op = Transformer.transform(new TransformCopy(), this, funcOp.getGraphPattern());
        ExprList newArgs = new ExprList();
        for (int i = 0; i < args.size(); i++) {
            Expr curr = args.get(i);
            Expr newArg = ExprTransformer.transform(this, curr) ;
            newArgs.add(newArg);
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    }

    @Override
    public Expr transform(ExprFunctionOp funcOp, ExprList args, Op opArg) {
        // Manually transform each argument
        Op op = Transformer.transform(new TransformCopy(), this, funcOp.getGraphPattern());
        ExprList newArgs = new ExprList();
        for (int i = 0; i < args.size(); i++) {
            Expr curr = args.get(i);
            Expr newArg = ExprTransformer.transform(this, curr) ;
            newArgs.add(newArg);
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        if ( context.isTrueOrUndef(ARQ.optPathFlatten) )
            op = apply("Path flattening", new TransformPathFlattern(), op) ;

        // Expression constant folding
        if ( context.isTrueOrUndef(ARQ.optExprConstantFolding) )
            op = Transformer.transform(new TransformCopy(), new ExprTransformConstantFold(), op);
       
        // Need to allow subsystems to play with this list.
       
        if ( context.isTrueOrUndef(ARQ.propertyFunctions) )
            op = apply("Property Functions", new TransformPropertyFunction(context), op) ;
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    private void test(String input, String expected, ExprTransform transform) {
        Op opOrig = SSE.parseOp(input);
        Op opExpected = SSE.parseOp(expected != null ? expected : input);

        Op opOptimized = Transformer.transform(new TransformCopy(), transform, opOrig);

        Assert.assertEquals(opExpected, opOptimized);
    }
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Related Classes of com.hp.hpl.jena.sparql.algebra.TransformCopy

  • com.hp.hpl.jena.sparql.algebra.optimize.ExprTransformConstantFold
  • com.hp.hpl.jena.sparql.algebra.optimize.Optimize
  • com.hp.hpl.jena.sparql.algebra.optimize.TestTransformConstantFolding
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