Examples with RowSet org.apache.jena.sparql.exec.RowSet used on opensource projects

Example 6 with RowSet

use of org.apache.jena.sparql.exec.RowSet in project jena by apache.

the class AbstractTestRDFLink method query_build_02.

@Test
public void query_build_02() {
    try (RDFLink link = link()) {
        Txn.executeRead(link, () -> {
            Binding binding = SSE.parseBinding("(binding (?X 123))");
            QueryExec qExec = link.newQuery().query("SELECT ?X { }").substitution(binding).build();
            RowSet rs = qExec.select();
            Node x = rs.next().get(Var.alloc("X"));
            assertNotNull(x);
        });
    }
}

Example 7 with RowSet

use of org.apache.jena.sparql.exec.RowSet in project jena by apache.

the class TestQueryExecHTTP method query_select_post_form_1.

@Test
public void query_select_post_form_1() {
    try (QueryExecHTTP qExec = QueryExecHTTP.newBuilder().sendMode(QuerySendMode.asPostForm).endpoint(dsURL).queryString("SELECT * { ?s ?p ?o }").build()) {
        RowSet rs = qExec.select();
        assertTrue(rs.hasNext());
        rs.next();
        assertFalse(rs.hasNext());
        assertTrue(qExec.getHttpResponseContentType().startsWith("application/sparql-results+json"));
    }
}

Example 8 with RowSet

use of org.apache.jena.sparql.exec.RowSet in project jena by apache.

the class TestService method service_scope_service_0.

// JENA-2280 : No scope renaming. Tests the setup for following tests.
@Test
public void service_scope_service_0() {
    String queryString = StrUtils.strjoinNL("SELECT (?value as ?temp) {", "  SELECT ?value {", "    SERVICE <" + SERVICE + "> { VALUES ?value { 'test' }  }", "  }", "}");
    RowSet rs = QueryExec.dataset(localDataset()).query(queryString).select().materialize();
    Binding row = rs.next();
    assertTrue(row.contains("temp"));
}

Example 9 with RowSet

use of org.apache.jena.sparql.exec.RowSet in project jena by apache.

the class TestService method service_query_modified_registry.

@Test
public void service_query_modified_registry() {
    DatasetGraph dsg = env.dsg();
    dsg.executeWrite(() -> dsg.add(SSE.parseQuad("(_ :s :p :o)")));
    String queryString = "SELECT * { SERVICE <" + SERVICE + "> { ?s ?p ?o }} ";
    RDFLink link = RDFLinkFactory.connect(localDataset());
    // RequestModifer that sets a flag to show it has been run.
    AtomicInteger COUNTER = new AtomicInteger(0);
    HttpRequestModifier testModifier = (Params params, Map<String, String> httpHeaders) -> {
        COUNTER.incrementAndGet();
    };
    runWithModifier(SERVICE, testModifier, () -> {
        // Connect to local, unused, permanently empty dataset
        try (QueryExec qExec = QueryExec.dataset(localDataset()).query(queryString).build()) {
            RowSet rs = qExec.select();
            long x = Iter.count(rs);
            assertEquals(1, x);
        }
    });
    assertEquals("Modifier did not run", 1, COUNTER.get());
}

Example 10 with RowSet

use of org.apache.jena.sparql.exec.RowSet in project jena by apache.

the class TestService method service_query_modified_cxt.

@Test
public void service_query_modified_cxt() {
    DatasetGraph dsg = env.dsg();
    String queryString = "SELECT * { SERVICE <" + SERVICE + "> { BIND (123 AS ?X) } }";
    // RequestModifer that sets a flag to show it has been run.
    AtomicInteger COUNTER = new AtomicInteger(0);
    HttpRequestModifier testModifier = (Params params, Map<String, String> httpHeaders) -> {
        COUNTER.incrementAndGet();
    };
    DatasetGraph localdsg = localDataset();
    localdsg.getContext().put(ARQ.httpRequestModifer, testModifier);
    try (RDFLink link = RDFLinkFactory.connect(localdsg)) {
        try (QueryExec qExec = link.query(queryString)) {
            RowSet rs = qExec.select();
            long x = Iter.count(rs);
            assertEquals(1, x);
        }
    }
    assertEquals("Modifier did not run", 1, COUNTER.get());
}