/**
* Implement <_:....> as a "Node IRI" that is, use the given label as the BNode internal label.
* Use with care.
*/
public static Node createIRIorBNode(String iri) {
// Is it a bNode label? i.e. <_:xyz>
if (isBNodeIRI(iri)) {
String s = iri.substring(bNodeLabelStart.length());
Node n = NodeFactory.createBlankNode(s);
return n;
}
return NodeFactory.createURI(iri);
}
/**
* Tests characteristic properties
*
* @throws IOException
*/
@Test
public void characteristic_writable_03() throws IOException {
CharacteristicWritable cw1 =
new CharacteristicWritable(NodeFactory.createURI("http://example.org"));
CharacteristicWritable cw2 =
new CharacteristicWritable(NodeFactory.createURI("http://example.org/other"));
this.checkRoundTrip(cw1);
this.checkRoundTrip(cw2);
// Should not be equal as different nodes
Assert.assertNotEquals(cw1, cw2);
}
protected void generateData(
MapDriver<LongWritable, TripleWritable, LongWritable, QuadWritable> driver, int num) {
for (int i = 0; i < num; i++) {
Triple t =
new Triple(
NodeFactory.createURI("http://subjects/" + i),
NodeFactory.createURI("http://predicate"),
NodeFactory.createLiteral(Integer.toString(i), XSDDatatype.XSDinteger));
Quad q = new Quad(t.getSubject(), t);
driver.addInput(new LongWritable(i), new TripleWritable(t));
driver.addOutput(new LongWritable(i), new QuadWritable(q));
}
}
@Test
public void testAddConstruct() {
Triple t =
new Triple(
NodeFactory.createURI("one"),
NodeFactory.createURI("two"),
NodeFactory.createURI("three"));
handler.addConstruct(t);
Template template = query.getConstructTemplate();
assertNotNull(template);
List<Triple> lst = template.getTriples();
assertEquals(1, lst.size());
assertEquals(t, lst.get(0));
}
/**
* Tests characteristic sets
*
* @throws IOException
*/
@Test
public void characteristic_set_writable_02() throws IOException {
CharacteristicSetWritable set = new CharacteristicSetWritable();
// Add some characteristics
CharacteristicWritable cw1 =
new CharacteristicWritable(NodeFactory.createURI("http://example.org"));
CharacteristicWritable cw2 =
new CharacteristicWritable(NodeFactory.createURI("http://example.org"), 2);
set.add(cw1);
set.add(cw2);
this.checkCharacteristicSet(set, 1, new long[] {3});
this.checkRoundTrip(set);
}
public void testRetrieveTriplesByNode() {
Graph G = getGraph();
Node N = NodeFactory.createBlankNode(), M = NodeFactory.createBlankNode();
ReifierStd.reifyAs(G, N, triple("x R y"));
assertEquals("gets correct triple", triple("x R y"), ReifierStd.getTriple(G, N));
ReifierStd.reifyAs(G, M, triple("p S q"));
assertDiffer("the anon nodes must be distinct", N, M);
assertEquals("gets correct triple", triple("p S q"), ReifierStd.getTriple(G, M));
assertTrue("node is known bound", ReifierStd.hasTriple(G, M));
assertTrue("node is known bound", ReifierStd.hasTriple(G, N));
assertFalse(
"node is known unbound", ReifierStd.hasTriple(G, NodeFactory.createURI("any:thing")));
}
@Override
public QueryIterator execEvaluated(
final Binding binding,
PropFuncArg argSubject,
Node predicate,
PropFuncArg argObject,
ExecutionContext execCxt) {
// check subject is a variable.
if (!argSubject.getArg().isVariable()) throw new QueryExecException("Subject not a variable");
final Var var = Var.alloc(argSubject.getArg());
if (!argObject.getArg().isLiteral()) throw new QueryExecException("Subject not a literal");
String searchTerm = argObject.getArg().getLiteralLexicalForm();
Search search = searchEngine();
Iterator<String> x = search.search(searchTerm);
Iter<String> iter = Iter.iter(x);
QueryIterator qIter =
new QueryIterPlainWrapper(
iter.map(
(item) -> {
return BindingFactory.binding(binding, var, NodeFactory.createURI(item));
}));
return qIter;
}
/**
* Retrieve or create a bNode representing an inferred property value.
*
* @param instance the base instance node to which the property applies
* @param prop the property node whose value is being inferred
* @param pclass the (optional, can be null) class for the inferred value.
* @return the bNode representing the property value
*/
public synchronized Node getTemp(Node instance, Node prop, Node pclass) {
NodePair ip = new NodePair(instance, prop);
Node result = null;
for (Iterator<Node> i = ipMap.getAll(ip); i.hasNext(); ) {
Node t = i.next();
if (pclass != null) {
Object tClass = classMap.get(t);
if (tClass != null && tClass.equals(pclass)) {
result = t;
break;
}
} else {
result = t;
break;
}
}
if (result == null) {
// No value yet, so create one
result = NodeFactory.createBlankNode();
ipMap.put(ip, result);
if (pclass != null) {
classMap.put(result, pclass);
}
}
return result;
}
/**
* Tests characteristic round tripping
*
* @throws IOException
*/
@Test
public void characteristic_writable_01() throws IOException {
Node n = NodeFactory.createURI("http://example.org");
CharacteristicWritable expected = new CharacteristicWritable(n);
Assert.assertEquals(1, expected.getCount().get());
this.checkRoundTrip(expected);
}
/**
* Tests quads to triples conversion
*
* @throws IOException
*/
@Test
public void triples_to_quads_mapper_01() throws IOException {
MapDriver<LongWritable, TripleWritable, LongWritable, QuadWritable> driver =
this.getMapDriver();
Triple t =
new Triple(
NodeFactory.createURI("http://s"),
NodeFactory.createURI("http://p"),
NodeFactory.createLiteral("test"));
Quad q = new Quad(t.getSubject(), t);
driver
.withInput(
new Pair<LongWritable, TripleWritable>(new LongWritable(1), new TripleWritable(t)))
.withOutput(new Pair<LongWritable, QuadWritable>(new LongWritable(1), new QuadWritable(q)));
driver.runTest();
}
@BeforeClass
public static void setup() {
// Dataset for implicit join tests
implJoin = DatasetFactory.createTxnMem();
Node a = NodeFactory.createURI("http://a");
Node b = NodeFactory.createURI("http://b");
Node c = NodeFactory.createURI("http://c");
Node p1 = NodeFactory.createURI("http://p1");
Node p2 = NodeFactory.createURI("http://p2");
Node pSelf = NodeFactory.createURI("http://self");
Node o = NodeFactory.createLiteral("object");
DatasetGraph dsg = implJoin.asDatasetGraph();
dsg.add(Quad.defaultGraphNodeGenerated, a, p1, o);
dsg.add(Quad.defaultGraphNodeGenerated, a, p2, o);
dsg.add(Quad.defaultGraphNodeGenerated, b, p1, o);
dsg.add(Quad.defaultGraphNodeGenerated, b, p2, o);
dsg.add(Quad.defaultGraphNodeGenerated, c, p1, o);
// dsg.add(Quad.defaultGraphNodeGenerated, a, pSelf, a);
// Currently these optimizations are off by default
Assert.assertFalse(ARQ.isFalse(ARQ.optFilterImplicitJoin));
Assert.assertFalse(ARQ.isFalse(ARQ.optImplicitLeftJoin));
}
private static Node createNode(String x) {
try {
IRI iri = resolver.resolve(x);
return NodeFactory.createURI(iri.toString());
} catch (Exception ex) {
ServletOps.errorBadRequest("SPARQL Update: bad IRI: " + x);
return null;
}
}
/**
* Tests characteristic sets
*
* @throws IOException
*/
@Test
public void characteristic_set_writable_03() throws IOException {
CharacteristicSetWritable set1 = new CharacteristicSetWritable();
CharacteristicSetWritable set2 = new CharacteristicSetWritable();
// Add some characteristics
CharacteristicWritable cw1 =
new CharacteristicWritable(NodeFactory.createURI("http://example.org"));
CharacteristicWritable cw2 =
new CharacteristicWritable(NodeFactory.createURI("http://example.org/other"));
set1.add(cw1);
set2.add(cw2);
this.checkCharacteristicSet(set1, 1, new long[] {1});
this.checkCharacteristicSet(set2, 1, new long[] {1});
this.checkRoundTrip(set1);
this.checkRoundTrip(set2);
Assert.assertNotEquals(set1, set2);
}
/**
* Tests characteristic properties
*
* @throws IOException
*/
@Test
public void characteristic_writable_02() throws IOException {
Node n = NodeFactory.createURI("http://example.org");
CharacteristicWritable cw1 = new CharacteristicWritable(n);
CharacteristicWritable cw2 = new CharacteristicWritable(n, 100);
this.checkRoundTrip(cw1);
this.checkRoundTrip(cw2);
// Should still be equal since equality is only on the node not the
// count
Assert.assertEquals(cw1, cw2);
}
@Test
public void testSetVars() {
Var v = Var.alloc("v");
Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), v);
handler.addConstruct(t);
Template template = query.getConstructTemplate();
assertNotNull(template);
List<Triple> lst = template.getTriples();
assertEquals(1, lst.size());
assertEquals(t, lst.get(0));
Map<Var, Node> values = new HashMap<Var, Node>();
values.put(v, NodeFactory.createURI("three"));
handler.setVars(values);
template = query.getConstructTemplate();
assertNotNull(template);
lst = template.getTriples();
assertEquals(1, lst.size());
t =
new Triple(
NodeFactory.createURI("one"),
NodeFactory.createURI("two"),
NodeFactory.createURI("three"));
assertEquals(t, lst.get(0));
}
public class TestPrefixMappingOverDatasetPrefixes2 extends AbstractTestPrefixMapping2 {
static Node gn = NodeFactory.createURI("http://test/graphName");
DatasetPrefixesStorage2 dsgprefixes;
@Override
protected PrefixMapping create() {
dsgprefixes = PrefixesFactory.newDatasetPrefixesMem();
return view();
}
@Override
protected PrefixMapping view() {
PrefixMapStorage view = PrefixMapStorageView.viewGraph(dsgprefixes, gn);
PrefixMapI pmap = PrefixesFactory.newPrefixMap(view);
return PrefixesFactory.newPrefixMappingOverPrefixMapI(pmap);
}
}
@Override
public void emitTriples(
RdfEmitterContext emitterContext,
Object entity,
Node subject,
Graph shapeGraph,
Consumer<Triple> sink) {
@SuppressWarnings("unchecked")
Map<? super Object, ? super Object> map = createMapView.apply(entity);
int i = 1;
for (Entry<?, ?> e : map.entrySet()) {
Object k = e.getKey();
Object v = e.getValue();
Node eNode = NodeFactory.createURI(subject.getURI() + "-" + i);
// persistenceContext.
// persistenceContext.entityFor(new TypedNode(rdfType, node));
// Node kNode = null; // emitterContext.getValueNode(entity,
// propertyName)//RdfPersistenceContextImpl.getOrCreateRootNode(persistenceContext,
// typeFactory, k);
// Node vNode = null;
// //RdfPersistenceContextImpl.getOrCreateRootNode(persistenceContext, typeFactory, v);
// emitterContext.add(k, entity, "key" + i);
// emitterContext.add(v, entity, "value" + i);
// Node keyNode = emitterContext.
// Node kNode = emitterContext.getValueNode(entity, "key" + i, v);
// Node vNode = emitterContext.getValueNode(entity, "value" + i, v);
Node kNode = emitterContext.requestResolution(k);
Node vNode = emitterContext.requestResolution(v);
sink.accept(new Triple(subject, entry.asNode(), eNode));
sink.accept(new Triple(eNode, key.asNode(), kNode));
sink.accept(new Triple(eNode, value.asNode(), vNode));
++i;
}
}
/**
* Creates a set consisting of the given predicates
*
* @param predicates Predicates
* @return Set
*/
protected CharacteristicSetWritable createSet(
MapReduceDriver<
CharacteristicSetWritable,
CharacteristicSetWritable,
CharacteristicSetWritable,
CharacteristicSetWritable,
CharacteristicSetWritable,
NullWritable>
driver,
int inputOccurrences,
int outputOccurrences,
String... predicates) {
CharacteristicSetWritable set = new CharacteristicSetWritable();
for (String predicateUri : predicates) {
set.add(new CharacteristicWritable(NodeFactory.createURI(predicateUri)));
}
for (int i = 1; i <= inputOccurrences; i++) {
driver.addInput(set, set);
}
for (int i = 1; i <= outputOccurrences; i++) {
driver.addOutput(set, NullWritable.get());
}
return set;
}
public class TestNodeAllocator extends BaseTest {
static Node gragh1 = NodeFactory.createURI("g1");
static Node gragh2 = NodeFactory.createURI("g2");
// ---- Glaobl default policy needed for RDF parsing
@Test
public void allocOneScope1() {
LabelToNode alloc = SyntaxLabels.createLabelToNode();
Node b1 = alloc.get(gragh1, "xyz");
Node b2 = alloc.get(gragh1, "xyz");
// SAME
assertEquals(b1, b2);
}
@Test
public void allocOneScope2() {
LabelToNode alloc = SyntaxLabels.createLabelToNode();
Node b1 = alloc.get(gragh1, "xyz");
Node b2 = alloc.get(gragh1, "123");
// DIFFERENT
assertNotEquals(b1, b2);
}
@Test
public void allocOneScope3() {
LabelToNode alloc = SyntaxLabels.createLabelToNode();
Node b1 = alloc.get(gragh1, "xyz");
Node b2 = alloc.get(gragh2, "xyz");
// SAME
assertEquals(b1, b2);
}
@Test
public void allocOneScope4() {
LabelToNode alloc = SyntaxLabels.createLabelToNode();
Node b1 = alloc.get(null, "xyz");
Node b2 = alloc.get(gragh2, "xyz");
// SAME
assertEquals(b1, b2);
}
@Test
public void allocOneScope5() {
LabelToNode alloc = SyntaxLabels.createLabelToNode();
Node b1 = alloc.get(null, "xyz");
Node b2 = alloc.get(null, "xyz");
// SAME
assertEquals(b1, b2);
}
// ---- Graph Scope
@Test
public void allocGraphScope1() {
LabelToNode alloc = LabelToNode.createScopeByGraph();
Node b1 = alloc.get(gragh1, "xyz");
Node b2 = alloc.get(gragh1, "xyz");
// SAME
assertEquals(b1, b2);
assertSame(b1, b2);
}
@Test
public void allocGraphScope2() {
LabelToNode alloc = LabelToNode.createScopeByGraph();
Node b1 = alloc.get(gragh1, "xyz");
Node b2 = alloc.get(gragh1, "123");
// DIFFERENT
assertNotEquals(b1, b2);
}
@Test
public void allocGraphScope3() {
LabelToNode alloc = LabelToNode.createScopeByGraph();
Node b1 = alloc.get(gragh1, "xyz");
Node b2 = alloc.get(gragh2, "xyz");
// DIFFERENT
assertNotEquals(b1, b2);
}
@Test
public void allocGraphScope4() {
LabelToNode alloc = SyntaxLabels.createLabelToNode();
Node b1 = alloc.get(null, "xyz");
Node b2 = alloc.get(gragh2, "xyz");
// DIFFERENT
assertEquals(b1, b2);
}
@Test
public void allocGraphScope5() {
LabelToNode alloc = SyntaxLabels.createLabelToNode();
Node b1 = alloc.get(null, "xyz");
Node b2 = alloc.get(null, "xyz");
// SAME
assertEquals(b1, b2);
}
}
/**
* Instantiates a new sparql construct function.
*
* @param conf the graph with dataflow definition
* @param confRoot the specific node in the graph representing the producer configuration
* @param map the map to access the other defined producers
* @see RDFProducer
*/
public SparqlConstructFunction(Graph conf, Node confRoot, final ProducerMap map) {
URI baseURI = URI.create(confRoot.getURI());
Node inputNode = GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.input.asNode());
inputProducer =
(inputNode != null) ? map.getProducer(inputNode) : EmptyGraphProducer.getInstance();
Node queryAsInputNode = NodeFactory.createURI(baseURI.resolve("#query").toString());
Node queryNode = GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.configTxt.asNode());
String queryTxt = (queryNode != null) ? queryNode.getLiteralLexicalForm() : null;
Node configNode = GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.config.asNode());
RDFProducer configProducer = (configNode != null) ? map.getProducer(configNode) : null;
Node configRootNode =
GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.configRoot.asNode());
if (configRootNode == null) configRootNode = configNode;
if (configRootNode == null && inputNode != null) {
Iterator<Node> namedInputNodes =
GraphUtils.getPropertyValues(conf, inputNode, DF.namedInput.asNode());
while (namedInputNodes.hasNext()) {
Node namedInputNode = namedInputNodes.next();
if (conf.contains(namedInputNode, DF.id.asNode(), queryAsInputNode)) {
configRootNode =
GraphUtils.getSingleValueProperty(conf, namedInputNode, DF.input.asNode());
break;
}
}
}
// String configRootURI = (configRootNode != null && configRootNode.isURI()) ?
// configRootNode.getURI() : null;
queryProducer =
new CoalesceQueryProducer(
new GraphQueryProducer(
new CoalesceGraphProducer(
configProducer, new SelectGraphProducer(inputProducer, queryAsInputNode)),
configRootNode /*NodeFactory.createURI(baseURI.resolve("").toString())*/),
new StringQueryProducer(queryTxt, baseURI.toString()));
// final Model confModel = ModelFactory.createModelForGraph(conf);
// Resource constructResource =
// confModel
// .getRDFNode(confRoot)
// .asResource()
// .getPropertyResourceValue(SPINX.config);
// Iterator<Producer> fromGraphProds =
// confModel
// .getRDFNode(confRoot)
// .asResource()
// .listProperties(SPINX.from)
// .mapWith(new Map1<Statement, Producer>() {
// @Override
// public Producer map1(Statement stmt) {
// return map.getProducer(stmt.getObject().asNode());
// }
// });
// defaultProd = null;
// if (!fromGraphProds.hasNext()) {
// defaultProd = EmptyGraphProducer.getInstance();
// } else {
// defaultProd = fromGraphProds.next();
// if (fromGraphProds.hasNext()) {
// defaultProd =
// new UnionFunction(
// new ConcatenatedIterator<Producer>(
// new SingletonIterator<Producer>(defaultProd),
// fromGraphProds));
// }
// }
// Iterator<Node> fromNamedGraphNames =
// confModel
// .getRDFNode(confRoot)
// .asResource()
// .listProperties(SPINX.fromNamed)
// .mapWith(new Map1<Statement, Node>() {
// @Override
// public Node map1(Statement stmt) {
// return stmt.getObject().asNode();
// }
// });
// while (fromNamedGraphNames.hasNext()) {
// Node graphNames = fromNamedGraphNames.next();
// prodMap.put(graphNames, map.getProducer(graphNames));
// }
// query = QueryFactory.toQuery(conf, constructResource.asNode());
// if (query == null)
// throw new RuntimeException("Parsing Error");
/*
// debug
Graph revEnginedGraph = SpinxFactory.fromQuery(query);
System.out.println();
System.out.println("**********************************");
System.out.println("*** Reverse Engine query graph ***");
System.out.println("**********************************");
ModelFactory.createModelForGraph(revEnginedGraph).write(System.out,"N3");
System.out.println("**********************************");
System.out.println();
*/
/*
SPINFactory.asExpression(constructResource);
query = ARQFactory.get().createQuery(SPINFactory.asQuery(constructResource));
*/
/*
Iterator<String> graphUris =
new ConcatenatedIterator<String>(
query.getGraphURIs().iterator(),
query.getNamedGraphURIs().iterator());
while (graphUris.hasNext()) {
Node node = confModel.getResource(graphUris.next()).asNode();
prodMap.put(node, (GraphProducer) map.getProducer(node));
}
*/
}
/**
* Constructor
*
* @param securityEvaluator The security evaluator to use
* @param graphIRI The IRI for the default graph.
*/
public OpRewriter(final SecurityEvaluator securityEvaluator, final String graphIRI) {
this(securityEvaluator, NodeFactory.createURI(graphIRI));
}
public static Graph getGraph() {
Graph g = Factory.createGraphMem();
g.add(
new Triple(
NodeFactory.createURI("http://example.com/subject"),
NodeFactory.createURI("http://example.com/predicate"),
NodeFactory.createURI("http://example.com/object")));
g.add(
new Triple(
NodeFactory.createBlankNode(BlankNodeId.create("a")),
NodeFactory.createURI("http://example.com/p1"),
NodeFactory.createBlankNode(BlankNodeId.create("b"))));
g.add(
new Triple(
NodeFactory.createBlankNode(BlankNodeId.create("b")),
NodeFactory.createURI("http://example.com/p2"),
NodeFactory.createLiteral("foo")));
g.add(
new Triple(
NodeFactory.createURI("http://example.com/ns/e"),
NodeFactory.createURI("http://example.com/ns/p5"),
NodeFactory.createLiteral("verify base works")));
return g;
}
public void testReifyAs() {
Graph G = getGraph();
Node X = NodeFactory.createURI("some:uri");
assertEquals("node used", X, ReifierStd.reifyAs(G, X, triple("x R y")));
assertEquals("retrieves correctly", triple("x R y"), ReifierStd.getTriple(G, X));
}