use of org.apache.jena.rdf.model.Property in project jena by apache.
the class TestReasoners method testRDFSRemove.
/**
* Test remove operations on an RDFS reasoner instance.
* This is an example to test that rebing is invoked correctly rather
* than an RDFS-specific test.
*/
public void testRDFSRemove() {
InfModel m = ModelFactory.createRDFSModel(ModelFactory.createDefaultModel());
String NS = PrintUtil.egNS;
Property p = m.createProperty(NS, "p");
Resource D = m.createResource(NS + "D");
Resource i = m.createResource(NS + "i");
Resource c = m.createResource(NS + "c");
Resource d = m.createResource(NS + "d");
p.addProperty(RDFS.domain, D);
i.addProperty(p, c);
i.addProperty(p, d);
TestUtil.assertIteratorValues(this, i.listProperties(), new Object[] { m.createStatement(i, p, c), m.createStatement(i, p, d), m.createStatement(i, RDF.type, D), m.createStatement(i, RDF.type, RDFS.Resource) });
i.removeAll(p);
TestUtil.assertIteratorValues(this, i.listProperties(), new Object[] {});
}
use of org.apache.jena.rdf.model.Property in project jena by apache.
the class ModelHelper method modelAdd.
/**
* add to a model all the statements expressed by a string.
*
* Does not do any transaction manipulation.
*
* @param m
* the model to be updated
* @param facts
* a sequence of semicolon-separated "S P O" facts
* @return the updated model
*/
public static Model modelAdd(Model m, String facts) {
StringTokenizer semis = new StringTokenizer(facts, ";");
while (semis.hasMoreTokens()) {
StringTokenizer st = new StringTokenizer(semis.nextToken());
Resource sub = resource(st.nextToken());
Property pred = property(st.nextToken());
RDFNode obj = rdfNode(st.nextToken());
m.add(sub, pred, obj);
}
return m;
}
use of org.apache.jena.rdf.model.Property in project jena by apache.
the class TestAPI method testInitialBindingsConstruct2.
@Test
public void testInitialBindingsConstruct2() {
QuerySolutionMap init = new QuerySolutionMap();
init.add("o", m.createLiteral("x1"));
String qs = "CONSTRUCT { ?s ?p ?o } WHERE { ?s ?p ?o }";
try (QueryExecution qExec = QueryExecution.model(m).query(qs).initialBinding(init).build()) {
Model r = qExec.execConstruct();
assertTrue("Empty model", r.size() > 0);
Property p1 = m.createProperty(ns + "p1");
assertTrue("Empty model", r.contains(null, p1, init.get("x1")));
}
}
use of org.apache.jena.rdf.model.Property in project jena by apache.
the class TestAPI method testInitialBindingsConstruct1.
@Test
public void testInitialBindingsConstruct1() {
QuerySolutionMap init = new QuerySolutionMap();
init.add("z", m.createLiteral("zzz"));
String qs = "CONSTRUCT {?s ?p ?z} {?s ?p 'x1'}";
try (QueryExecution qExec = QueryExecution.model(m).query(qs).initialBinding(init).build()) {
Model r = qExec.execConstruct();
assertTrue("Empty model", r.size() > 0);
Property p1 = m.createProperty(ns + "p1");
assertTrue("Empty model", r.contains(null, p1, init.get("z")));
}
}
use of org.apache.jena.rdf.model.Property in project jena by apache.
the class ExampleConstructQuads method main.
public static void main(String[] args) throws FileNotFoundException, IOException {
// create testing data :
// 1) default graph data
Model model = ModelFactory.createDefaultModel();
Resource s = model.createResource("http://eg.com/s");
Property p = model.createProperty("http://eg.com/p");
Resource o = model.createResource("http://eg.com/o");
model.add(s, p, o);
Dataset dataset = DatasetFactory.create(model);
// 2) named graph data
Model model1 = ModelFactory.createDefaultModel();
Resource s1 = model.createResource("http://eg.com/s1");
Property p1 = model.createProperty("http://eg.com/p1");
Resource o1 = model.createResource("http://eg.com/o1");
model1.add(s1, p1, o1);
dataset.addNamedModel("http://eg.com/g1", model1);
PrintUtil.printOut(dataset.asDatasetGraph().find());
// construct named graph
System.out.println("construct named graph:");
String queryString = "CONSTRUCT { GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
Query query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Quad> quads = qexec.execConstructQuads();
PrintUtil.printOut(quads);
}
System.out.println(query);
// construct default graph 1
System.out.println("construct default graph 1:");
queryString = "CONSTRUCT { {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Quad> quads = qexec.execConstructQuads();
PrintUtil.printOut(quads);
}
System.out.println(query);
// construct default graph 2
System.out.println("construct default graph 2:");
queryString = "CONSTRUCT {<http://eg.com/s1> <http://eg.com/p1> ?o} WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Quad> quads = qexec.execConstructQuads();
PrintUtil.printOut(quads);
}
System.out.println(query);
// construct triples
System.out.println("construct default graph 2:");
queryString = "CONSTRUCT {<http://eg.com/s1> <http://eg.com/p1> ?o} WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Triple> triples = qexec.execConstructTriples();
PrintUtil.printOut(triples);
}
System.out.println(query);
// construct dataset
System.out.println("construct dataset:");
queryString = "CONSTRUCT { GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Dataset d = qexec.execConstructDataset();
RDFDataMgr.write(System.out, d, Lang.TRIG);
}
System.out.println(query);
// short form 1
System.out.println("short form 1:");
queryString = "CONSTRUCT WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Quad> quads = qexec.execConstructQuads();
PrintUtil.printOut(quads);
}
System.out.println(query);
// short form 2
System.out.println("short form 2:");
queryString = "CONSTRUCT WHERE{ <http://eg.com/s> <http://eg.com/p> ?o }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Quad> quads = qexec.execConstructQuads();
PrintUtil.printOut(quads);
}
System.out.println(query);
// short form 3
System.out.println("short form 3:");
queryString = "CONSTRUCT WHERE{ <http://eg.com/s> <http://eg.com/p> ?o }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Triple> triples = qexec.execConstructTriples();
PrintUtil.printOut(triples);
}
System.out.println(query);
// short form 4
System.out.println("short form 4:");
queryString = "CONSTRUCT WHERE{ {<http://eg.com/s> <http://eg.com/p> ?o} }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Quad> quads = qexec.execConstructQuads();
PrintUtil.printOut(quads);
}
System.out.println(query);
// short form 4
System.out.println("default graph projection:");
queryString = "CONSTRUCT { {<http://eg.com/s> <http://eg.com/p> ?o} GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
query = QueryFactory.create(queryString, Syntax.syntaxARQ);
try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
Iterator<Triple> triples = qexec.execConstructTriples();
PrintUtil.printOut(triples);
}
System.out.println(query);
// run-construct-quad-test
System.out.println("run-construct-quad-test:");
File[] tests = new File("testing/ARQ/Syntax/Syntax-ARQ").listFiles((dir, fname) -> {
if (fname.startsWith("syntax-quad-construct-")) {
return true;
}
return false;
});
for (File test : tests) {
System.out.println("======== File: " + test.getName());
try (BufferedReader br = new BufferedReader(new FileReader(test))) {
String line = null;
while ((line = br.readLine()) != null) {
System.out.println(line);
}
}
System.out.println("==== Output of parse/print file " + test.getName());
try {
Query q = QueryFactory.read(test.getAbsolutePath(), Syntax.syntaxARQ);
System.out.println(q);
} catch (QueryParseException ex) {
System.out.println("File " + test.getAbsolutePath() + " : " + ex.getMessage());
}
}
}
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