Examples of ExprVar

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

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    @BeforeClass
    public static void setup() {
        UserDefinedFunctionFactory.getFactory().clear();
       
        //Define a square function
        Expr square = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", square, new ArrayList<Var>(square.getVarsMentioned()));
    }
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        for(int i = 0; i < 500; i++){
            unsorted.add(randomBinding(vars));
        }
       
        List<SortCondition> conditions = new ArrayList<SortCondition>();
        conditions.add(new SortCondition(new ExprVar("8"), Query.ORDER_ASCENDING));
        comparator = new BindingComparator(conditions);
       
        iterator = new CallbackIterator(unsorted.iterator(), 25, null);
        iterator.setCallback(new Callback() {
            @Override
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        UserDefinedFunctionFactory.getFactory().setPreserveDependencies(false);
    }

    @Test
    public void test_function_expansion_01() {
        Expr e = new ExprVar("x");
        UserDefinedFunctionFactory.getFactory().add("http://example/simple", e, new ArrayList<Var>(e.getVarsMentioned()));
       
        UserDefinedFunction f = (UserDefinedFunction) UserDefinedFunctionFactory.getFactory().create("http://example/simple");
        f.build("http://example/simple", new ExprList(new NodeValueBoolean(true)));
       
        Expr actual = f.getActualExpr();
        Assert.assertFalse(e.equals(actual));
        Assert.assertEquals(0, actual.getVarsMentioned().size());
        Assert.assertEquals(new NodeValueBoolean(true), actual);
    }
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        Assert.assertEquals(new NodeValueBoolean(true), actual);
    }
   
    @Test
    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)));
       
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        Assert.assertEquals(new E_Multiply(new NodeValueInteger(3), new NodeValueInteger(3)), actual);
    }
   
    @Test
    public void test_function_expansion_03() {
        Expr e = new E_Multiply(new ExprVar("x"), new ExprVar("y"));
        List<Var> defArgs = new ArrayList<Var>();
        defArgs.add(Var.alloc("x"));
        defArgs.add(Var.alloc("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", e, defArgs);
       
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        Assert.assertEquals(new E_Multiply(new NodeValueInteger(3), new NodeValueInteger(4)), actual);
    }
   
    @Test
    public void test_function_expansion_04() {
        Expr square = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", square, new ArrayList<Var>(square.getVarsMentioned()));
       
        //Test that with preserveDependencies set to false (the default) that the definition of cube is actually
        //expanded to include the definition of square
        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()));
       
        UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/cube");
        Expr base = def.getBaseExpr();
        Assert.assertTrue(base instanceof E_Multiply);
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        Assert.assertEquals(1, base.getVarsMentioned().size());
    }
   
    @Test
    public void test_function_expansion_05() {
        Expr square = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
        UserDefinedFunctionFactory.getFactory().add("http://example/square", square, new ArrayList<Var>(square.getVarsMentioned()));
       
        //Test that with preserveDependencies set to false (the default) that the definition of cube is actually
        //expanded to include the definition of square
        Expr cube = new E_Multiply(new E_Function("http://example/square", new ExprList(new ExprVar("y"))), new ExprVar("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/cube", cube, new ArrayList<Var>(cube.getVarsMentioned()));
       
        UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/cube");
        Expr base = def.getBaseExpr();
        Assert.assertTrue(base instanceof E_Multiply);
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        Assert.assertEquals(1, base.getVarsMentioned().size());
    }
   
    @Test
    public void test_function_expansion_06() {
        Expr takeaway = new E_Subtract(new ExprVar("x"), new ExprVar("y"));
        List<Var> args = new ArrayList<Var>();
        args.add(Var.alloc("x"));
        args.add(Var.alloc("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/takeaway", takeaway, args);
       
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        Assert.assertTrue(subtract.getArg2() instanceof NodeValueDouble);
    }
   
    @Test
    public void test_function_expansion_07() {
        Expr takeaway = new E_Subtract(new ExprVar("x"), new ExprVar("y"));
        List<Var> args = new ArrayList<Var>();
        args.add(Var.alloc("x"));
        args.add(Var.alloc("y"));
        UserDefinedFunctionFactory.getFactory().add("http://example/takeaway", takeaway, args);
       
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Examples of com.hp.hpl.jena.sparql.expr.ExprVar

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        Assert.assertTrue(subtract.getArg2() instanceof NodeValueInteger);
    }
   
    @Test
    public void test_function_expansion_08() {
        Expr takeaway = new E_Subtract(new ExprVar("x"), new ExprVar("y"));
        List<Var> args = new ArrayList<Var>();
        args.add(Var.alloc("x"));
        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 altArgs = new ExprList();
        altArgs.add(new ExprVar("a"));
        altArgs.add(new ExprVar("b"));
        ArrayList<Var> defArgs = new ArrayList<Var>();
        defArgs.add(Var.alloc("a"));
        defArgs.add(Var.alloc("b"));
        Expr test = new E_Function("http://example/takeaway", altArgs);
        UserDefinedFunctionFactory.getFactory().add("http://example/test", test, defArgs);
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