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

Examples of com.hp.hpl.jena.sparql.expr.nodevalue.NodeValueInteger

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    public void test_function_expansion_02() {
        Expr e = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", e, new ArrayList<Var>(e.getVarsMentioned()));
       
        UserDefinedFunction f = (UserDefinedFunction) UserDefinedFunctionFactory.getFactory().create("http://example/square");
        f.build("http://example/square", new ExprList(new NodeValueInteger(3)));
       
        Expr actual = f.getActualExpr();
        Assert.assertFalse(e.equals(actual));
        Assert.assertEquals(0, actual.getVarsMentioned().size());
        Assert.assertEquals(new E_Multiply(new NodeValueInteger(3), new NodeValueInteger(3)), actual);
    }
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        defArgs.add(Var.alloc("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", e, defArgs);
       
        UserDefinedFunction f = (UserDefinedFunction) UserDefinedFunctionFactory.getFactory().create("http://example/square");
        ExprList args = new ExprList();
        args.add(new NodeValueInteger(3));
        args.add(new NodeValueInteger(4));
        f.build("http://example/square", args);
       
        Expr actual = f.getActualExpr();
        Assert.assertFalse(e.equals(actual));
        Assert.assertEquals(0, actual.getVarsMentioned().size());
        Assert.assertEquals(new E_Multiply(new NodeValueInteger(3), new NodeValueInteger(4)), actual);
    }
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        args.add(Var.alloc("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/takeaway", takeaway, args);
       
        //Test that with preserveDependencies set to false (the default) that the definition is expanded appropriately
        ExprList numArgs = new ExprList();
        numArgs.add(new NodeValueInteger(1));
        numArgs.add(new NodeValueDouble(2.3));
        Expr test = new E_Function("http://example/takeaway", numArgs);
        UserDefinedFunctionFactory.getFactory().add("http://example/test", test, new ArrayList<Var>());
       
        UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/test");
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        UserDefinedFunctionFactory.getFactory().add("http://example/takeaway", takeaway, args);
       
        //Test that with preserveDependencies set to false (the default) that the definition is expanded appropriately
        ExprList numArgs = new ExprList();
        numArgs.add(new NodeValueDouble(2.3));
        numArgs.add(new NodeValueInteger(1));
        Expr test = new E_Function("http://example/takeaway", numArgs);
        UserDefinedFunctionFactory.getFactory().add("http://example/test", test, new ArrayList<Var>());
       
        UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/test");
        Expr base = def.getBaseExpr();
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        //can change the definition of our function is fully expanded when first defined
        Expr cube = new E_Multiply(new E_Function("http://example/square", new ExprList(new ExprVar("x"))), new ExprVar("x"));
        UserDefinedFunctionFactory.getFactory().add("http://example/cube", cube, new ArrayList<Var>(cube.getVarsMentioned()));
       
        UserDefinedFunction f = (UserDefinedFunction) UserDefinedFunctionFactory.getFactory().create("http://example/cube");
        f.build("http://example/cube", new ExprList(new NodeValueInteger(2)));
       
        Expr actual = f.getActualExpr();
        NodeValue result = actual.eval(BindingFactory.create(), FunctionEnvBase.createTest());
        Assert.assertEquals(8, NodeFactoryExtra.nodeToInt(result.asNode()));
       
        //Change the definition of the function we depend on
        //This has no effect with preserveDependencies set to false (the default) since we fully expanded the call to the dependent
        //function when our outer function was defined
        square = new ExprVar("x");
        UserDefinedFunctionFactory.getFactory().add("http://example/square", square, new ArrayList<Var>(square.getVarsMentioned()));
        f.build("http://example/cube", new ExprList(new NodeValueInteger(2)));
       
        actual = f.getActualExpr();
        result = actual.eval(BindingFactory.create(), FunctionEnvBase.createTest());
        Assert.assertEquals(8, NodeFactoryExtra.nodeToInt(result.asNode()));
    }
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        //get a different result with dependencies preserved because the definition of the dependent function can change
        Expr cube = new E_Multiply(new E_Function("http://example/square", new ExprList(new ExprVar("x"))), new ExprVar("x"));
        UserDefinedFunctionFactory.getFactory().add("http://example/cube", cube, new ArrayList<Var>(cube.getVarsMentioned()));
       
        UserDefinedFunction f = (UserDefinedFunction) UserDefinedFunctionFactory.getFactory().create("http://example/cube");
        f.build("http://example/cube", new ExprList(new NodeValueInteger(2)));
       
        Expr actual = f.getActualExpr();
        NodeValue result = actual.eval(BindingFactory.create(), FunctionEnvBase.createTest());
        Assert.assertEquals(8, NodeFactoryExtra.nodeToInt(result.asNode()));
       
        //Change the definition of the function we depend on
        square = new ExprVar("x");
        UserDefinedFunctionFactory.getFactory().add("http://example/square", square, new ArrayList<Var>(square.getVarsMentioned()));
        f.build("http://example/cube", new ExprList(new NodeValueInteger(2)));
       
        actual = f.getActualExpr();
        result = actual.eval(BindingFactory.create(), FunctionEnvBase.createTest());
        Assert.assertEquals(4, NodeFactoryExtra.nodeToInt(result.asNode()));
    }
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    @Test
    public void promote_table_empty_assignment_03() {
        // Force algebra to have separate extends by using extendDirect()
        Op input = OpTable.empty();
        input = OpExtend.extendDirect(input, new VarExprList(Var.alloc("x"), new NodeValueInteger(1)));
        input = OpExtend.extendDirect(input, new VarExprList(Var.alloc("y"), new NodeValueInteger(2)));

        test(input, t_promote, "(table empty)");
    }
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    public void test_function_expansion_02() {
        Expr e = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", e, new ArrayList<>(e.getVarsMentioned()));
       
        UserDefinedFunction f = (UserDefinedFunction) UserDefinedFunctionFactory.getFactory().create("http://example/square");
        f.build("http://example/square", new ExprList(new NodeValueInteger(3)));
       
        Expr actual = f.getActualExpr();
        Assert.assertFalse(e.equals(actual));
        Assert.assertEquals(0, actual.getVarsMentioned().size());
        Assert.assertEquals(new E_Multiply(new NodeValueInteger(3), new NodeValueInteger(3)), actual);
    }
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        defArgs.add(Var.alloc("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", e, defArgs);
       
        UserDefinedFunction f = (UserDefinedFunction) UserDefinedFunctionFactory.getFactory().create("http://example/square");
        ExprList args = new ExprList();
        args.add(new NodeValueInteger(3));
        args.add(new NodeValueInteger(4));
        f.build("http://example/square", args);
       
        Expr actual = f.getActualExpr();
        Assert.assertFalse(e.equals(actual));
        Assert.assertEquals(0, actual.getVarsMentioned().size());
        Assert.assertEquals(new E_Multiply(new NodeValueInteger(3), new NodeValueInteger(4)), actual);
    }
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        args.add(Var.alloc("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/takeaway", takeaway, args);
       
        //Test that with preserveDependencies set to false (the default) that the definition is expanded appropriately
        ExprList numArgs = new ExprList();
        numArgs.add(new NodeValueInteger(1));
        numArgs.add(new NodeValueDouble(2.3));
        Expr test = new E_Function("http://example/takeaway", numArgs);
        UserDefinedFunctionFactory.getFactory().add("http://example/test", test, new ArrayList<Var>());
       
        UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/test");
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Related Classes of com.hp.hpl.jena.sparql.expr.nodevalue.NodeValueInteger

  • com.hp.hpl.jena.sparql.algebra.optimize.TestOptimizer
  • com.hp.hpl.jena.sparql.algebra.optimize.TestTransformPromoteTableEmpty
  • com.hp.hpl.jena.sparql.function.user.TestFunctionExpansion
  • com.hp.hpl.jena.sparql.function.user.TestFunctionNonExpansion
  • java.math.BigInteger
  • java.math.BigDecimal
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