org.openrdf.model.impl.LiteralImpl Java Examples
The following examples show how to use
org.openrdf.model.impl.LiteralImpl.
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Example #1
| Source File: TestBlobsWriteTask.java From database with GNU General Public License v2.0 | 6 votes |
|
public void test_add_various_toldBNodes() {
// The values that we will be testing with.
final Value[] valuesIn = new Value[] {//
new LiteralImpl("abc"), //
RDF.TYPE,//
RDF.PROPERTY,//
new LiteralImpl("test"),//
new LiteralImpl("test", "en"),//
new LiteralImpl("10", new URIImpl("http://www.w3.org/2001/XMLSchema#int")),
new LiteralImpl("12", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
new LiteralImpl("12.", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
new LiteralImpl("12.0", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
new LiteralImpl("12.00", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
new BNodeImpl("a"),//
new BNodeImpl("12"),//
};
doAddTermsTest(valuesIn, true/* toldBNodes */);
}
Example #2
| Source File: Test_REST_HASSTMT.java From database with GNU General Public License v2.0 | 6 votes |
|
public void test_HASSTMT_po() throws Exception {
doInsertbyURL("POST", packagePath + "test_estcard.ttl");
assertTrue( m_repo.hasStatement(null,// s,
RDFS.LABEL,// p
new LiteralImpl("Mike"),// o
false // includeInferred
// null // c
));
assertFalse( m_repo.hasStatement(null,// s,
RDFS.LABEL,// p
new LiteralImpl("Fred"),// o
false // includeInferred
// null // c
));
assertFalse( m_repo.hasStatement(null,// s,
RDF.BAG,// p
new LiteralImpl("Mike"),// o
false // includeInferred
// null // c
));
}
Example #3
| Source File: Test_REST_HASSTMT.java From database with GNU General Public License v2.0 | 6 votes |
|
public void test_HASSTMT_o() throws Exception {
doInsertbyURL("POST", packagePath + "test_estcard.ttl");
assertTrue(m_repo.hasStatement(null,// s
null,// p
new LiteralImpl("Mike"),// o
false // includeInferred
// c
));
assertFalse(m_repo.hasStatement(null,// s
null,// p
new LiteralImpl("Fred"),// o
false // includeInferred
// c
));
}
Example #4
| Source File: TestBigdataSailRemoteRepository.java From database with GNU General Public License v2.0 | 6 votes |
|
/**
* Get everything with a specific predicate and object (a Literal).
*/
public void test_GET_accessPath_delete_p_o_Literal() throws Exception {
doInsertbyURL("POST", packagePath
+ "test_delete_by_access_path.ttl");
final long result = countResults(doGetWithAccessPath(//
// requestPath,//
null,// s
RDFS.LABEL,// p
new LiteralImpl("Bryan")// o
));
assertEquals(1, result);
}
Example #5
| Source File: AbstractTestNanoSparqlClient.java From database with GNU General Public License v2.0 | 6 votes |
|
/**
* Sets up a simple data set on the server.
*
* @throws Exception
*/
protected void setupDataOnServer() throws Exception {
final URI mike = new URIImpl(BD.NAMESPACE + "Mike");
final URI bryan = new URIImpl(BD.NAMESPACE + "Bryan");
final URI person = new URIImpl(BD.NAMESPACE + "Person");
final URI likes = new URIImpl(BD.NAMESPACE + "likes");
final URI rdf = new URIImpl(BD.NAMESPACE + "RDF");
final URI rdfs = new URIImpl(BD.NAMESPACE + "RDFS");
final Literal label1 = new LiteralImpl("Mike");
final Literal label2 = new LiteralImpl("Bryan");
{
final Graph g = new LinkedHashModel();
g.add(mike, RDF.TYPE, person);
g.add(mike, likes, rdf);
g.add(mike, RDFS.LABEL, label1);
g.add(bryan, RDF.TYPE, person);
g.add(bryan, likes, rdfs);
g.add(bryan, RDFS.LABEL, label2);
m_repo.add(new AddOp(g));
}
}
Example #6
| Source File: TestBigdataSailRemoteRepository.java From database with GNU General Public License v2.0 | 6 votes |
|
/**
* Delete everything with a specific predicate and object (a Literal).
*/
public void test_DELETE_accessPath_delete_p_o_Literal() throws Exception {
doInsertbyURL("POST", packagePath
+ "test_delete_by_access_path.ttl");
final long mutationResult = doDeleteWithAccessPath(//
// requestPath,//
null,// s
RDFS.LABEL,// p
new LiteralImpl("Bryan")// o
);
assertEquals(1, mutationResult);
}
Example #7
| Source File: TestEncodeDecodeValue.java From database with GNU General Public License v2.0 | 6 votes |
|
/**
* Unit tests for a literal which uses single quotes in its encoded form.
* For example <code>'abc'</code>.
*/
public void test_encodeDecode_Literal_singleQuotes() {
assertEquals(new LiteralImpl("abc"),
EncodeDecodeValue.decodeValue("'abc'"));
assertEquals(new LiteralImpl(""),
EncodeDecodeValue.decodeValue("''"));
LiteralImpl l3 = new LiteralImpl("ab\"c");
Value v3 = EncodeDecodeValue.decodeValue("'ab\"c'");
assertEquals(l3, v3);
assertEquals(new LiteralImpl("ab'c"),
EncodeDecodeValue.decodeValue("'ab\'c'"));
assertEquals(new LiteralImpl("ab'c"),
EncodeDecodeValue.decodeValue("'ab'c'"));
doTest("\"'ab'c'\"", new LiteralImpl("'ab'c'"));
}
Example #8
| Source File: TestCustomFunction.java From database with GNU General Public License v2.0 | 6 votes |
|
@Override
public IV get(final IBindingSet bset) {
// Evaluate a function argument.
final IV arg = getAndCheckLiteral(0, bset);
// Convert into an RDF Value.
final Literal lit = asLiteral(arg);
// Concat with self.
final Literal lit2 = new LiteralImpl(lit.getLabel() + "-"
+ lit.getLabel());
// Convert into an IV.
final IV ret = asIV(lit2, bset);
// Return the function result.
return ret;
}
Example #9
| Source File: SparqlParameters.java From anno4j with Apache License 2.0 | 6 votes |
|
private Object getDefaultValue(String value, Type type, ObjectConnection con) {
Class<?> ctype = asClass(type);
if (Set.class.equals(ctype)) {
Object v = getDefaultValue(value, getComponentType(ctype, type), con);
if (v == null)
return null;
return Collections.singleton(v);
}
ValueFactory vf = con.getValueFactory();
ObjectFactory of = con.getObjectFactory();
if (of.isDatatype(ctype)) {
URIImpl datatype = new URIImpl("java:" + ctype.getName());
return of.createValue(of.createObject(new LiteralImpl(value, datatype)));
}
return vf.createURI(value);
}
Example #10
| Source File: CRUDTest.java From anno4j with Apache License 2.0 | 6 votes |
|
/**
* Tests reading of resources that do not have a type assigned in the repository.
*/
@Test
public void testReadNoType() throws Exception {
// Create an Anno4j instance and get its repository connection for direct triple access:
Anno4j anno4j = new Anno4j(new SailRepository(new MemoryStore()), null, false);
RepositoryConnection repoConnection = anno4j.getRepository().getConnection();
// Resource urn:anno4j_test:p1 is present but does not have a rdf:type
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(FOAF.MBOX),
new LiteralImpl("[email protected]")));
// Try retrieving the resource with a specific type:
Person p = anno4j.findByID(Person.class, "urn:anno4j_test:p1");
assertNull(p);
}
Example #11
| Source File: CRUDTest.java From anno4j with Apache License 2.0 | 6 votes |
|
/**
* Tests reading objects and their property values from the repository.
*/
@Test
public void testRead() throws Exception {
// Create an Anno4j instance and get its repository connection for direct triple access:
Anno4j anno4j = new Anno4j(new SailRepository(new MemoryStore()), null, false);
RepositoryConnection repoConnection = anno4j.getRepository().getConnection();
// Add some triples to the repository:
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(RDF.TYPE),
new URIImpl(FOAF.PERSON)));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(FOAF.MBOX),
new LiteralImpl("[email protected]")));
Person p = anno4j.findByID(Person.class, "urn:anno4j_test:p1");
assertNotNull(p);
assertEquals("[email protected]", p.getMbox());
}
Example #12
| Source File: TestBlobsWriteTask.java From database with GNU General Public License v2.0 | 6 votes |
|
/**
* Note: Blank nodes are NOT included in this test since the test helper is
* not smart enough to verify the blank nodes will not be unified when using
* standard bnode semantics. However, {@link TestBlobsIndex} does verify
* both standard and told bnode semantics.
*/
public void test_add_various_standardBNodes() {
/* The values that we will be testing with.
*/
final Value[] valuesIn = new Value[] {//
new LiteralImpl("abc"), //
RDF.TYPE,//
RDF.PROPERTY,//
new LiteralImpl("test"),//
new LiteralImpl("test", "en"),//
new LiteralImpl("10", new URIImpl("http://www.w3.org/2001/XMLSchema#int")),
new LiteralImpl("12", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
new LiteralImpl("12.", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
new LiteralImpl("12.0", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
new LiteralImpl("12.00", new URIImpl("http://www.w3.org/2001/XMLSchema#float")),
// new BNodeImpl("a"),//
// new BNodeImpl("12"),//
};
doAddTermsTest(valuesIn, false/* toldBNodes */);
}
Example #13
| Source File: AbstractRMLProcessor.java From GeoTriples with Apache License 2.0 | 5 votes |
|
/**
* process an object map
*
* @param objectMap
* @param node
* @return
*/
public List<Value> processObjectMap(ObjectMap objectMap, Object node,
TriplesMap triplesMap, Resource subject, URI predicate,
SesameDataSet dataset) {
// A Term map returns one or more values (in case expression matches
// more)
List<Object> values = processTermMap(objectMap, node, triplesMap,
subject, predicate, dataset, false);
List<Value> valueList = new ArrayList<>();
for (Object value : values) {
switch (objectMap.getTermType()) {
case IRI:
log.trace("value as URI: "+value);
if (value != null && !value.equals("")) {
if (value.toString().startsWith("www."))
value = "http://" + value;
valueList.add(new URIImpl(value.toString()));
}
break;
case BLANK_NODE:
valueList.add(new BNodeImpl(value.toString()));
break;
case LITERAL:
if (objectMap.getLanguageTag() != null && !value.equals("")) {
valueList.add(new LiteralImpl(value.toString(), objectMap
.getLanguageTag()));
} else if (value != null && !value.equals("")
&& objectMap.getDataType() != null) {
valueList.add(new LiteralImpl(value.toString(), objectMap
.getDataType()));
} else if (value != null && !value.equals("")) {
valueList.add(new LiteralImpl(value.toString().trim()));
}
}
}
return valueList;
}
Example #14
| Source File: TestSparqlUpdate.java From database with GNU General Public License v2.0 | 5 votes |
|
private Literal getReallyLongLiteral(final int length) {
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < length; i++) {
sb.append('a');
}
return new LiteralImpl(sb.toString());
}
Example #15
| Source File: JoinReferenceRMLPerformer.java From GeoTriples with Apache License 2.0 | 5 votes |
|
/**
* Compare expressions from join to complete it
*
* @param node current object in parent iteration
* @param dataset
* @param map
*/
@Override
public Collection<Statement> perform(Object node, SesameDataSet dataset, TriplesMap map) {
List<Statement> statements=new LinkedList<>();
//Value object = processor.processSubjectMap(dataset, map.getSubjectMap(), node);
List<Object> objects = processor.extractValueFromNode(node, expr);
if (objects == null){
return statements;
}
log.debug("[JoinReferenceRMLPerformer:addTriples] Subject "
+ subject + " Predicate " + predicate + "Object " + objects.toString());
ValueFactory myFactory = ValueFactoryImpl.getInstance();
//add the join triple
for(Object obj:objects){
Statement st = myFactory.createStatement((Resource) subject, predicate,
(Value) new LiteralImpl(obj.toString().trim()));
//dataset.add(subject, predicate, object);
dataset.addStatement(st);
statements.add(st);
//dataset.add(subject, predicate, new LiteralImpl(obj.toString().trim()));
}
return statements;
}
Example #16
| Source File: SampleCode.java From database with GNU General Public License v2.0 | 5 votes |
|
/**
* Demonstrate execution of a free-text query.
*
* @param repo
* @throws Exception
*/
public boolean executeFreeTextQuery(Repository repo) throws Exception {
if (((BigdataSailRepository) repo).getDatabase().getLexiconRelation()
.getSearchEngine() == null) {
/*
* Only if the free text index exists.
*/
return false;
}
RepositoryConnection cxn = repo.getConnection();
cxn.setAutoCommit(false);
try {
cxn.add(new URIImpl("http://www.bigdata.com/A"), RDFS.LABEL,
new LiteralImpl("Yellow Rose"));
cxn.add(new URIImpl("http://www.bigdata.com/B"), RDFS.LABEL,
new LiteralImpl("Red Rose"));
cxn.add(new URIImpl("http://www.bigdata.com/C"), RDFS.LABEL,
new LiteralImpl("Old Yellow House"));
cxn.add(new URIImpl("http://www.bigdata.com/D"), RDFS.LABEL,
new LiteralImpl("Loud Yell"));
cxn.commit();
} catch (Exception ex) {
cxn.rollback();
throw ex;
} finally {
// close the repository connection
cxn.close();
}
String query = "select ?x where { ?x <"+BDS.SEARCH+"> \"Yell\" . }";
executeSelectQuery(repo, query, QueryLanguage.SPARQL);
// will match A, C, and D
return true;
}
Example #17
| Source File: AbstractTestNanoSparqlClient.java From database with GNU General Public License v2.0 | 5 votes |
|
/**
* Sets up a simple data set on the server.
* @throws Exception
*/
protected void setupQuadsDataOnServer() throws Exception {
final URI mike = new URIImpl(BD.NAMESPACE + "Mike");
final URI bryan = new URIImpl(BD.NAMESPACE + "Bryan");
final URI person = new URIImpl(BD.NAMESPACE + "Person");
final URI likes = new URIImpl(BD.NAMESPACE + "likes");
final URI rdf = new URIImpl(BD.NAMESPACE + "RDF");
final URI rdfs = new URIImpl(BD.NAMESPACE + "RDFS");
final URI c1 = new URIImpl(BD.NAMESPACE + "c1");
final URI c2 = new URIImpl(BD.NAMESPACE + "c2");
final URI c3 = new URIImpl(BD.NAMESPACE + "c3");
final Literal label1 = new LiteralImpl("Mike");
final Literal label2 = new LiteralImpl("Bryan");
{
final Graph g = new LinkedHashModel();
g.add(mike, RDF.TYPE, person, c1, c2, c3);
g.add(mike, likes, rdf, c1, c2, c3);
g.add(mike, RDFS.LABEL, label1, c1, c2, c3);
g.add(bryan, RDF.TYPE, person, c1, c2, c3);
g.add(bryan, likes, rdfs, c1, c2, c3);
g.add(bryan, RDFS.LABEL, label2, c1, c2, c3);
m_repo.add(new AddOp(g));
}
}
Example #18
| Source File: CRUDTest.java From anno4j with Apache License 2.0 | 5 votes |
|
/**
* Tests reading and modifying the same resource in different contexts.
*/
@Test
public void testReadUpdateOtherContext() throws Exception {
// Create an Anno4j instance and get its repository connection for direct triple access:
Anno4j anno4j = new Anno4j(new SailRepository(new MemoryStore()), null, false);
RepositoryConnection repoConnection = anno4j.getRepository().getConnection();
// Add some triples to the repository:
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(RDF.TYPE),
new URIImpl(FOAF.PERSON)));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(FOAF.MBOX),
new LiteralImpl("[email protected]")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(RDF.TYPE),
new URIImpl(FOAF.PERSON)), new URIImpl("urn:anno4j_test:context1"));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(FOAF.MBOX),
new LiteralImpl("[email protected]")), new URIImpl("urn:anno4j_test:context1"));
Person a = anno4j.findByID(Person.class, "urn:anno4j_test:p1");
// Use a transaction to access objects from the other context:
Transaction transaction = anno4j.createTransaction(new URIImpl("urn:anno4j_test:context1"));
transaction.begin();
Person b = transaction.findByID(Person.class, "urn:anno4j_test:p1");
assertEquals("[email protected]", a.getMbox());
assertEquals("[email protected]", b.getMbox());
a.setMbox("[email protected]");
assertEquals("[email protected]", a.getMbox());
assertEquals("[email protected]", b.getMbox());
}
Example #19
| Source File: TestEncodeDecodeUnicodeIVs.java From database with GNU General Public License v2.0 | 5 votes |
|
/**
* Unit test for the {@link XSDStringExtension} support for inlining
* <code>xsd:string</code>. This approach is more efficient since the
* datatypeURI is implicit in the {@link IExtension} handler than being
* explicitly represented in the inline data.
*/
public void test_encodeDecode_extension_xsdString() {
final BigdataValueFactory vf = BigdataValueFactoryImpl.getInstance("test");
final int maxInlineStringLength = 128;
final XSDStringExtension<BigdataValue> ext =
new XSDStringExtension<BigdataValue>(
new IDatatypeURIResolver() {
public BigdataURI resolve(final URI uri) {
final BigdataURI buri = vf.createURI(uri.stringValue());
buri.setIV(newTermId(VTE.URI));
return buri;
}
}, maxInlineStringLength);
final IV<?, ?>[] e = {//
ext.createIV(new LiteralImpl("", XSD.STRING)), //
ext.createIV(new LiteralImpl(" ", XSD.STRING)), //
ext.createIV(new LiteralImpl(" ", XSD.STRING)), //
ext.createIV(new LiteralImpl("1", XSD.STRING)), //
ext.createIV(new LiteralImpl("12", XSD.STRING)), //
ext.createIV(new LiteralImpl("123", XSD.STRING)), //
ext.createIV(new LiteralImpl("234", XSD.STRING)), //
ext.createIV(new LiteralImpl("34", XSD.STRING)), //
ext.createIV(new LiteralImpl("4", XSD.STRING)), //
ext.createIV(new LiteralImpl("a", XSD.STRING)), //
ext.createIV(new LiteralImpl("ab", XSD.STRING)), //
ext.createIV(new LiteralImpl("abc", XSD.STRING)), //
};
doEncodeDecodeTest(e);
doComparatorTest(e);
}
Example #20
| Source File: RDFStoreTest.java From database with GNU General Public License v2.0 | 5 votes |
|
@Test
public void testValueRoundTrip3()
throws Exception
{
URI subj = new URIImpl(EXAMPLE_NS + PICASSO);
URI pred = new URIImpl(EXAMPLE_NS + PAINTS);
Literal obj = new LiteralImpl("guernica");
testValueRoundTrip(subj, pred, obj);
}
Example #21
| Source File: RDFStoreTest.java From database with GNU General Public License v2.0 | 5 votes |
|
@Test
public void testValueRoundTrip4()
throws Exception
{
URI subj = new URIImpl(EXAMPLE_NS + PICASSO);
URI pred = new URIImpl(EXAMPLE_NS + PAINTS);
Literal obj = new LiteralImpl("guernica", "es");
testValueRoundTrip(subj, pred, obj);
}
Example #22
| Source File: Test_REST_DELETE_BY_ACCESS_PATH.java From database with GNU General Public License v2.0 | 5 votes |
|
/**
* Delete everything with a specific predicate and object (a Literal).
*/
public void test_DELETE_accessPath_delete_p_o_Literal() throws Exception {
doInsertbyURL("POST", packagePath + "test_delete_by_access_path.ttl");
final long mutationResult = doDeleteWithAccessPath(//
// requestPath,//
null,// s
RDFS.LABEL,// p
new LiteralImpl("Bryan")// o
);
assertEquals(1, mutationResult);
}
Example #23
| Source File: RDFStoreTest.java From database with GNU General Public License v2.0 | 5 votes |
|
@Test
public void testLongLangRoundTrip()
throws Exception
{
StringBuffer sb = new StringBuffer();
for (int i = 0; i < 512; i++) {
sb.append(Character.toChars('A' + (i % 26)));
}
URI subj = new URIImpl(EXAMPLE_NS + PICASSO);
URI pred = new URIImpl(EXAMPLE_NS + PAINTS);
Literal obj = new LiteralImpl("guernica" + sb.toString(), "es");
testValueRoundTrip(subj, pred, obj);
}
Example #24
| Source File: RDFStoreTest.java From database with GNU General Public License v2.0 | 5 votes |
|
@Test
public void testLongLiteralRoundTrip()
throws Exception
{
StringBuffer sb = new StringBuffer();
for (int i = 0; i < 512; i++) {
sb.append(Character.toChars('A' + (i % 26)));
}
URI subj = new URIImpl(EXAMPLE_NS + PICASSO);
URI pred = new URIImpl(EXAMPLE_NS + PAINTS);
Literal obj = new LiteralImpl("guernica" + sb.toString());
testValueRoundTrip(subj, pred, obj);
}
Example #25
| Source File: RDFStoreTest.java From database with GNU General Public License v2.0 | 5 votes |
|
@Test
public void testReallyLongLiteralRoundTrip()
throws Exception
{
StringBuffer sb = new StringBuffer();
for (int i = 0; i < 1024000; i++) {
sb.append(Character.toChars('A' + (i % 26)));
}
URI subj = new URIImpl(EXAMPLE_NS + PICASSO);
URI pred = new URIImpl(EXAMPLE_NS + PAINTS);
Literal obj = new LiteralImpl("guernica" + sb.toString());
testValueRoundTrip(subj, pred, obj);
}
Example #26
| Source File: TestBOps.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testSimpleJoin() throws Exception {
final BigdataSail sail = getSail();
try {
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final BigdataSailRepositoryConnection cxn =
(BigdataSailRepositoryConnection) repo.getConnection();
cxn.setAutoCommit(false);
try {
// final ValueFactory vf = sail.getValueFactory();
final String ns = BD.NAMESPACE;
final URI mike = new URIImpl(ns+"Mike");
final URI bryan = new URIImpl(ns+"Bryan");
final URI person = new URIImpl(ns+"Person");
final URI likes = new URIImpl(ns+"likes");
final URI rdf = new URIImpl(ns+"RDF");
final Literal l1 = new LiteralImpl("Mike");
final Literal l2 = new LiteralImpl("Bryan");
/**/
cxn.setNamespace("ns", ns);
cxn.add(mike, RDF.TYPE, person);
cxn.add(mike, likes, rdf);
cxn.add(mike, RDFS.LABEL, l1);
cxn.add(bryan, RDF.TYPE, person);
cxn.add(bryan, likes, rdf);
cxn.add(bryan, RDFS.LABEL, l2);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.flush();//commit();
cxn.commit();//
if (log.isInfoEnabled()) {
log.info("\n" + cxn.getTripleStore().dumpStore());
}
{
final String query =
"PREFIX rdf: <"+RDF.NAMESPACE+"> " +
"PREFIX rdfs: <"+RDFS.NAMESPACE+"> " +
"PREFIX ns: <"+ns+"> " +
"select * " +
"WHERE { " +
" ?s rdf:type ns:Person . " +
" ?s ns:likes ?likes . " +
" ?s rdfs:label ?label . " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
final TupleQueryResult result = tupleQuery.evaluate();
// while (result.hasNext()) {
// System.err.println(result.next());
// }
final Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", mike),
new BindingImpl("likes", rdf),
new BindingImpl("label", l1)
}));
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", bryan),
new BindingImpl("likes", rdf),
new BindingImpl("label", l2)
}));
compare(result, solution);
}
} finally {
cxn.close();
}
} finally {
sail.__tearDownUnitTest();
}
}
Example #27
| Source File: TestOptionals.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Tests mapping of left joins in SPARQL onto optionals in bigdata rules.
*
* @throws Exception
*/
public void testLeftJoins() throws Exception {
final BigdataSail sail = getSail();
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final BigdataSailRepositoryConnection cxn =
(BigdataSailRepositoryConnection) repo.getConnection();
cxn.setAutoCommit(false);
try {
final URI book1 = new URIImpl("http://www.bigdata.com/rdf#book1");
final URI book2 = new URIImpl("http://www.bigdata.com/rdf#book2");
final URI book3 = new URIImpl("http://www.bigdata.com/rdf#book3");
final URI price = new URIImpl("http://www.bigdata.com/rdf#price");
final URI XSD_INTEGER = new URIImpl("http://www.w3.org/2001/XMLSchema#integer");
/**/
cxn.add(
book1,
DC_TITLE,
new LiteralImpl("TITLE 1")
);
cxn.add(
book1,
price,
new LiteralImpl("10", XSD_INTEGER)
);
cxn.add(
book2,
DC_TITLE,
new LiteralImpl("TITLE 2")
);
cxn.add(
book2,
price,
new LiteralImpl("20", XSD_INTEGER)
);
cxn.add(
book3,
DC_TITLE,
new LiteralImpl("TITLE 3")
);
/**/
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
// cxn.flush();//commit();
cxn.commit();
/**/
if (log.isInfoEnabled()) {
log.info(cxn.getTripleStore().dumpStore());
}
String query =
"SELECT ?title ?price " +
"WHERE { " +
"?book <"+DC_TITLE+"> ?title . " +
"OPTIONAL { ?book <"+price+"> ?price . } . " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
tupleQuery.setIncludeInferred(true /* includeInferred */);
TupleQueryResult result = tupleQuery.evaluate();
Collection<BindingSet> answer = new LinkedList<BindingSet>();
answer.add(createBindingSet(
new BindingImpl("title", new LiteralImpl("TITLE 1")), new BindingImpl("price", new LiteralImpl("10", XSD_INTEGER))));
answer.add(createBindingSet(
new BindingImpl("title", new LiteralImpl("TITLE 2")), new BindingImpl("price", new LiteralImpl("20", XSD_INTEGER))));
answer.add(createBindingSet(
new BindingImpl("title", new LiteralImpl("TITLE 3"))));
compare(result, answer);
} finally {
cxn.close();
sail.__tearDownUnitTest();
}
}
Example #28
| Source File: TestBOps.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testSimpleConstraint() throws Exception {
final BigdataSail sail = getSail();
try {
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final BigdataSailRepositoryConnection cxn =
(BigdataSailRepositoryConnection) repo.getConnection();
cxn.setAutoCommit(false);
try {
final ValueFactory vf = sail.getValueFactory();
final String ns = BD.NAMESPACE;
final URI jill = new URIImpl(ns+"Jill");
final URI jane = new URIImpl(ns+"Jane");
final URI person = new URIImpl(ns+"Person");
final URI age = new URIImpl(ns+"age");
final URI IQ = new URIImpl(ns+"IQ");
final Literal l1 = new LiteralImpl("Jill");
final Literal l2 = new LiteralImpl("Jane");
final Literal age1 = vf.createLiteral(20);
final Literal age2 = vf.createLiteral(30);
final Literal IQ1 = vf.createLiteral(130);
final Literal IQ2 = vf.createLiteral(140);
/**/
cxn.setNamespace("ns", ns);
cxn.add(jill, RDF.TYPE, person);
cxn.add(jill, RDFS.LABEL, l1);
cxn.add(jill, age, age1);
cxn.add(jill, IQ, IQ1);
cxn.add(jane, RDF.TYPE, person);
cxn.add(jane, RDFS.LABEL, l2);
cxn.add(jane, age, age2);
cxn.add(jane, IQ, IQ2);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.flush();//commit();
cxn.commit();//
if (log.isInfoEnabled()) {
log.info("\n" + cxn.getTripleStore().dumpStore());
}
{
final String query =
"PREFIX rdf: <"+RDF.NAMESPACE+"> " +
"PREFIX rdfs: <"+RDFS.NAMESPACE+"> " +
"PREFIX ns: <"+ns+"> " +
"select * " +
"WHERE { " +
" ?s rdf:type ns:Person . " +
" ?s ns:age ?age . " +
" ?s ns:IQ ?iq . " +
" ?s rdfs:label ?label . " +
" FILTER( ?age < 25 && ?iq > 125 ) . " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
final TupleQueryResult result = tupleQuery.evaluate();
// while (result.hasNext()) {
// System.err.println(result.next());
// }
final Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", jill),
new BindingImpl("age", age1),
new BindingImpl("iq", IQ1),
new BindingImpl("label", l1)
}));
compare(result, solution);
}
} finally {
cxn.close();
}
} finally {
sail.__tearDownUnitTest();
}
}
Example #29
| Source File: TestLexiconKeyBuilder.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Tests encode of a key and the decode of its "code" byte.
*
* @see ITermIndexCodes
*/
public void test_encodeDecodeCodeByte() {
assertEquals(ITermIndexCodes.TERM_CODE_URI, fixture
.value2Key(RDF.TYPE)[0]);
assertEquals(ITermIndexCodes.TERM_CODE_BND, fixture
.value2Key(new BNodeImpl("foo"))[0]);
assertEquals(ITermIndexCodes.TERM_CODE_LIT, fixture
.value2Key(new LiteralImpl("abc"))[0]);
assertEquals(ITermIndexCodes.TERM_CODE_LCL, fixture
.value2Key(new LiteralImpl("abc","en"))[0]);
assertEquals(ITermIndexCodes.TERM_CODE_DTL, fixture
.value2Key(new LiteralImpl("abc",XSD.BOOLEAN))[0]);
}
Example #30
| Source File: NamespacesHandler.java From cumulusrdf with Apache License 2.0 | 4 votes |
|
/**
*
* @param repository the Repository object
* @param request the HttpServletRequest object
* @param response the HttpServletResponse oject
* @return QueryResultView object include the namespaces
* @throws ClientHTTPException throws when errors in the request
* @throws ServerHTTPException throws when errors in the Repository
* @throws RepositoryException throws when errors in closing the RepositoryConnection
*/
private ModelAndView getExportNamespacesResult(final Repository repository, final HttpServletRequest request, final HttpServletResponse response)
throws ClientHTTPException, ServerHTTPException, RepositoryException {
final boolean headersOnly = METHOD_HEAD.equals(request.getMethod());
Map<String, Object> model = new HashMap<String, Object>();
if (!headersOnly) {
List<String> columnNames = Arrays.asList("prefix", "namespace");
List<BindingSet> namespaces = new ArrayList<BindingSet>();
RepositoryConnection repositoryCon = repository.getConnection();
synchronized (repositoryCon) {
try {
CloseableIteration<? extends Namespace, RepositoryException> iter = repositoryCon.getNamespaces();
try {
while (iter.hasNext()) {
Namespace ns = iter.next();
Literal prefix = new LiteralImpl(ns.getPrefix());
Literal namespace = new LiteralImpl(ns.getName());
BindingSet bindingSet = new ListBindingSet(columnNames, prefix, namespace);
namespaces.add(bindingSet);
}
} finally {
iter.close();
}
} catch (RepositoryException e) {
throw new ServerHTTPException("Repository error: " + e.getMessage(), e);
}
}
model.put(QueryResultView.QUERY_RESULT_KEY, new TupleQueryResultImpl(columnNames, namespaces));
repositoryCon.close();
}
TupleQueryResultWriterFactory factory = ProtocolUtil.getAcceptableService(request, response,
TupleQueryResultWriterRegistry.getInstance());
model.put(QueryResultView.FILENAME_HINT_KEY, "namespaces");
model.put(QueryResultView.HEADERS_ONLY, headersOnly);
model.put(QueryResultView.FACTORY_KEY, factory);
return new ModelAndView(TupleQueryResultView.getInstance(), model);
}
