Examples with UserDefinedFunctionDefinition org.apache.jena.sparql.function.user.UserDefinedFunctionDefinition used on opensource projects

Example 6 with UserDefinedFunctionDefinition

use of org.apache.jena.sparql.function.user.UserDefinedFunctionDefinition in project jena by apache.

the class TestFunctionNonExpansion method test_function_non_expansion_01.

@Test
public void test_function_non_expansion_01() {
    Expr square = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
    UserDefinedFunctionFactory.getFactory().add("http://example/square", square, new ArrayList<>(square.getVarsMentioned()));
    //Test that with preserveDependencies set to true that the definition of cube is not expanded
    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<>(cube.getVarsMentioned()));
    UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/cube");
    Expr base = def.getBaseExpr();
    Assert.assertTrue(base instanceof E_Multiply);
    E_Multiply multiply = (E_Multiply) base;
    Assert.assertTrue(multiply.getArg1() instanceof E_Function);
    Assert.assertTrue(multiply.getArg2() instanceof ExprVar);
    E_Function lhs = (E_Function) multiply.getArg1();
    Assert.assertEquals("http://example/square", lhs.getFunctionIRI());
    Assert.assertEquals(1, base.getVarsMentioned().size());
}

Example 7 with UserDefinedFunctionDefinition

use of org.apache.jena.sparql.function.user.UserDefinedFunctionDefinition in project jena by apache.

the class TestFunctionExpansion method test_function_expansion_04.

@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<>(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<>(cube.getVarsMentioned()));
    UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/cube");
    Expr base = def.getBaseExpr();
    Assert.assertTrue(base instanceof E_Multiply);
    E_Multiply m = (E_Multiply) base;
    Assert.assertTrue(m.getArg1() instanceof E_Multiply);
    Assert.assertTrue(m.getArg2() instanceof ExprVar);
    Assert.assertEquals(1, base.getVarsMentioned().size());
}

Example 8 with UserDefinedFunctionDefinition

use of org.apache.jena.sparql.function.user.UserDefinedFunctionDefinition in project jena by apache.

the class TestFunctionExpansion method test_function_expansion_09.

@Test
public void test_function_expansion_09() {
    Expr takeaway = new E_Subtract(new ExprVar("x"), new ExprVar("y"));
    List<Var> args = new ArrayList<>();
    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("b"));
    altArgs.add(new ExprVar("a"));
    ArrayList<Var> defArgs = new ArrayList<>();
    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);
    UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/test");
    Expr base = def.getBaseExpr();
    Assert.assertTrue(base instanceof E_Subtract);
    E_Subtract subtract = (E_Subtract) base;
    Assert.assertTrue(subtract.getArg1() instanceof ExprVar);
    Assert.assertTrue(subtract.getArg2() instanceof ExprVar);
    Assert.assertEquals(subtract.getArg1().getVarName(), "b");
    Assert.assertEquals(subtract.getArg2().getVarName(), "a");
}

Example 9 with UserDefinedFunctionDefinition

use of org.apache.jena.sparql.function.user.UserDefinedFunctionDefinition in project jena by apache.

the class TestFunctionExpansion method test_function_expansion_07.

@Test
public void test_function_expansion_07() {
    Expr takeaway = new E_Subtract(new ExprVar("x"), new ExprVar("y"));
    List<Var> args = new ArrayList<>();
    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 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();
    Assert.assertTrue(base instanceof E_Subtract);
    E_Subtract subtract = (E_Subtract) base;
    Assert.assertTrue(subtract.getArg1() instanceof NodeValueDouble);
    Assert.assertTrue(subtract.getArg2() instanceof NodeValueInteger);
}

Example 10 with UserDefinedFunctionDefinition

use of org.apache.jena.sparql.function.user.UserDefinedFunctionDefinition in project jena by apache.

the class TestFunctionExpansion method test_function_expansion_12.

@Test
public void test_function_expansion_12() {
    Expr takeaway = new E_Subtract(new ExprVar("x"), new ExprVar("y"));
    List<Var> args = new ArrayList<>();
    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("a"));
    ArrayList<Var> defArgs = new ArrayList<>();
    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);
    UserDefinedFunctionDefinition def = UserDefinedFunctionFactory.getFactory().get("http://example/test");
    Expr base = def.getBaseExpr();
    Assert.assertTrue(base instanceof E_Subtract);
    E_Subtract subtract = (E_Subtract) base;
    Assert.assertTrue(subtract.getArg1() instanceof ExprVar);
    Assert.assertTrue(subtract.getArg2() instanceof ExprVar);
    Assert.assertEquals(subtract.getArg1().getVarName(), "a");
    Assert.assertEquals(subtract.getArg2().getVarName(), "a");
}