Examples with Op org.apache.jena.sparql.algebra.Op used on opensource projects

Example 51 with Op

use of org.apache.jena.sparql.algebra.Op in project jena by apache.

the class TestVarRename method rename.

private void rename(String inputStr, String expectedStr, boolean reversable, Set<Var> constant) {
    Op opOrig = SSE.parseOp(inputStr);
    Op opExpected = SSE.parseOp(expectedStr);
    Op opActual = Rename.renameVars(opOrig, constant);
    if (DEV && !opExpected.equals(opActual)) {
        System.err.println("**** Test: " + name.getMethodName());
        System.err.println("::Expected::");
        System.err.print(opExpected);
        System.err.println("::Got::");
        System.err.print(opActual);
    }
    assertEquals(opExpected, opActual);
    if (reversable) {
        // Undo.
        Op opRebuilt = Rename.reverseVarRename(opActual, false);
        assertEquals(opOrig, opRebuilt);
    }
}

Example 52 with Op

use of org.apache.jena.sparql.algebra.Op in project jena by apache.

the class TestTransformPromoteTableEmpty method test.

public static void test(String input, Transform transform, String... output) {
    Op opInput = SSE.parseOp(input);
    test(opInput, transform, output);
}

Example 53 with Op

use of org.apache.jena.sparql.algebra.Op in project jena by apache.

the class TestTransformPromoteTableEmpty method test.

public static void test(Op input, Transform transform, String... output) {
    Op opOptimized = Transformer.transform(transform, input);
    if (output == null) {
        // No transformation.
        Assert.assertEquals(input, opOptimized);
        return;
    }
    Op op3 = SSE.parseOp(StrUtils.strjoinNL(output));
    Assert.assertEquals(op3, opOptimized);
}

Example 54 with Op

use of org.apache.jena.sparql.algebra.Op in project jena by apache.

the class TestVarRename method filter_not_exists_scoping_03.

// JENA-1275
@Test
public void filter_not_exists_scoping_03() {
    //@formatter:off
    Op orig = SSE.parseOp(StrUtils.strjoinNL("(project (?triangles ?openTriplets)", "  (project (?openTriplets)", "    (extend ((?openTriplets ?.0))", "      (group () ((?.0 (count ?x)))", "        (filter (notexists", "                   (quadpattern (quad <urn:x-arq:DefaultGraphNode> ?z ?c ?x)))", "          (quadpattern", "            (quad <urn:x-arq:DefaultGraphNode> ?x ?a ?y)", "            (quad <urn:x-arq:DefaultGraphNode> ?y ?b ?z)", "          ))))))"));
    Op expected = SSE.parseOp(StrUtils.strjoinNL("(project (?triangles ?openTriplets)", "  (project (?openTriplets)", "    (extend ((?openTriplets ?/.0))", "      (group () ((?/.0 (count ?/x)))", "        (filter (notexists", "                   (quadpattern (quad <urn:x-arq:DefaultGraphNode> ?/z ?/c ?/x)))", "          (quadpattern", "            (quad <urn:x-arq:DefaultGraphNode> ?/x ?/a ?/y)", "            (quad <urn:x-arq:DefaultGraphNode> ?/y ?/b ?/z)", "          ))))))"));
    //@formatter:on
    Op transformed = TransformScopeRename.transform(orig);
    Assert.assertEquals(transformed, expected);
}

Example 55 with Op

use of org.apache.jena.sparql.algebra.Op in project jena by apache.

the class AbstractTestTransform method checkAlgebra.

public static void checkAlgebra(String algString, Transform additionalOptimizer, String opExpectedString) {
    Op algebra = SSE.parseOp(algString);
    // Safe copy
    Op algebra1 = SSE.parseOp(algString);
    Op optimized = Algebra.optimize(algebra);
    if (additionalOptimizer != null)
        optimized = Transformer.transform(additionalOptimizer, optimized);
    Op opExpected = SSE.parseOp(opExpectedString != null ? opExpectedString : algString);
    assertEquals(opExpected, optimized);
    assertEquals("Modification of input during optimization", algebra1, algebra);
}