Examples with BasicPattern org.apache.jena.sparql.core.BasicPattern used on opensource projects

Example 11 with BasicPattern

use of org.apache.jena.sparql.core.BasicPattern in project jena by apache.

the class OpTriple method asBGP.

public final OpBGP asBGP() {
    if (opBGP == null) {
        BasicPattern bp = new BasicPattern();
        bp.add(getTriple());
        opBGP = new OpBGP(bp);
    }
    return opBGP;
}

Example 12 with BasicPattern

use of org.apache.jena.sparql.core.BasicPattern in project jena by apache.

the class OpRewriterTest method testBGP.

@Test
public void testBGP() {
    SecurityEvaluator securityEvaluator = new MockSecurityEvaluator(true, true, true, true, true, true);
    rewriter = new OpRewriter(securityEvaluator, "http://example.com/dummy");
    rewriter.visit(new OpBGP(BasicPattern.wrap(Arrays.asList(triples))));
    Op op = rewriter.getResult();
    Assert.assertTrue("Should have been an OpFilter", op instanceof OpFilter);
    OpFilter filter = (OpFilter) op;
    ExprList eLst = filter.getExprs();
    Assert.assertEquals(1, eLst.size());
    Assert.assertTrue("Should have been a SecuredFunction", eLst.get(0) instanceof SecuredFunction);
    op = filter.getSubOp();
    Assert.assertTrue("Should have been a OpBGP", op instanceof OpBGP);
    BasicPattern basicPattern = ((OpBGP) op).getPattern();
    Assert.assertEquals(3, basicPattern.size());
    Triple t = basicPattern.get(0);
    Assert.assertEquals(NodeFactory.createVariable("foo"), t.getSubject());
    Assert.assertEquals(RDF.type.asNode(), t.getPredicate());
    Assert.assertEquals(NodeFactory.createURI("http://example.com/class"), t.getObject());
    t = basicPattern.get(1);
    Assert.assertEquals(NodeFactory.createVariable("foo"), t.getSubject());
    Assert.assertTrue("Should have been blank", t.getPredicate().isBlank());
    Assert.assertEquals(NodeFactory.createVariable("bar"), t.getObject());
    t = basicPattern.get(2);
    Assert.assertEquals(NodeFactory.createVariable("bar"), t.getSubject());
    Assert.assertTrue("Should have been blank", t.getPredicate().isBlank());
    Assert.assertEquals(NodeFactory.createVariable("baz"), t.getObject());
}

Example 13 with BasicPattern

use of org.apache.jena.sparql.core.BasicPattern in project jena by apache.

the class OpExecutorTDB1 method execute.

@Override
protected QueryIterator execute(OpQuadPattern quadPattern, QueryIterator input) {
    if (!isForTDB)
        return super.execute(quadPattern, input);
    //        DatasetGraph dg = execCxt.getDataset() ;
    //        if ( ! ( dg instanceof DatasetGraphTDB ) )
    //            throw new InternalErrorException("Not a TDB backed dataset in quad pattern execution") ;
    DatasetGraphTDB ds = (DatasetGraphTDB) execCxt.getDataset();
    BasicPattern bgp = quadPattern.getBasicPattern();
    Node gn = quadPattern.getGraphNode();
    return optimizeExecuteQuads(ds, input, gn, bgp, null, execCxt);
}

Example 14 with BasicPattern

use of org.apache.jena.sparql.core.BasicPattern in project jena by apache.

the class ReorderProcIndexes method reorder.

/** Return a new basic pattern with the same triples as the input,
     *  but ordered as per the index list of this reorder processor. 
     */
@Override
public BasicPattern reorder(BasicPattern bgp) {
    if (indexes.length != bgp.size()) {
        String str = String.format("Expected size = %d : actual basic pattern size = %d", indexes.length, bgp.size());
        Log.error(this, str);
        throw new ARQException(str);
    }
    BasicPattern bgp2 = new BasicPattern();
    for (int idx : indexes) {
        Triple t = bgp.get(idx);
        bgp2.add(t);
    }
    return bgp2;
}

Example 15 with BasicPattern

use of org.apache.jena.sparql.core.BasicPattern in project jena by apache.

the class TestService method testStringTimeout2.

@Test
public void testStringTimeout2() {
    BasicPattern basicPattern = new BasicPattern();
    basicPattern.add(Triple.ANY);
    Node serviceNode = NodeFactory.createURI(SERVICE);
    OpService opService = new OpService(serviceNode, new OpBGP(basicPattern), false);
    Context context = new Context();
    ARQ.setNormalMode(context);
    context.set(Service.queryTimeout, "10,10000");
    try {
        Service.exec(opService, context);
        Assert.fail("Expected QueryExceptionHTTP");
    } catch (QueryExceptionHTTP expected) {
        Throwable thrown = expected.getCause();
        if (thrown instanceof SocketException || thrown instanceof ConnectTimeoutException) {
        // expected
        } else {
            Assert.fail(String.format("Expected SocketException or ConnectTimeoutException, instead got: %s %s", thrown.getClass().getName(), thrown.getMessage()));
        }
    }
}