Java Code Examples for org.openrdf.model.vocabulary.RDF#TYPE
The following examples show how to use
org.openrdf.model.vocabulary.RDF#TYPE .
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Example 1
| Source File: TestEncodeDecodeUnicodeIVs.java From database with GNU General Public License v2.0 | 6 votes |
|
/**
* Unit test for inlining an entire URI using {@link FullyInlineURIIV}. The URI
* is inlined as a Unicode component using {@link DTE#XSDString}. The
* extension bit is NOT set since we are not factoring out the namespace
* component of the URI.
*/
public void test_encodeDecode_Inline_URI() {
final IV<?, ?>[] e = {//
new FullyInlineURIIV<BigdataURI>(new URIImpl("http://www.bigdata.com")),//
new FullyInlineURIIV<BigdataURI>(RDF.TYPE),//
new FullyInlineURIIV<BigdataURI>(RDF.SUBJECT),//
new FullyInlineURIIV<BigdataURI>(RDF.BAG),//
new FullyInlineURIIV<BigdataURI>(RDF.OBJECT),//
};
doEncodeDecodeTest(e);
doComparatorTest(e);
}
Example 2
| 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 3
| 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 4
| Source File: BigdataRDFFactory.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Construct an instance with a simple Sesame ValueFactoryImpl.
*/
private BigdataRDFFactory() {
super(new ValueFactoryImpl(),
GRAPH_NAMESPACE, VERTEX_NAMESPACE, EDGE_NAMESPACE,
RDF.TYPE, VERTEX, EDGE, RDFS.LABEL);
}
Example 5
| Source File: TestTruthMaintenance.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* This test demonstrates an infinite loop in TM arising from owl:sameAs.
*/
public void test_infiniteloop() {
// if(true) fail("re-enable this test");
final URI a = new URIImpl("http://www.bigdata.com/a");
final URI b = new URIImpl("http://www.bigdata.com/b");
final URI entity = new URIImpl("http://www.bigdata.com/Entity");
final URI sameAs = OWL.SAMEAS;
// /*
// * Note: not using rdf:type to avoid entailments about (x rdf:type
// * Class) and (x rdfs:subClassOf y) that are not required by this test.
// */
// URI rdfType = new URIImpl("http://www.bigdata.com/type");
final URI rdfType = RDF.TYPE;
final AbstractTripleStore store = getStore();
try {
final InferenceEngine inf = store.getInferenceEngine();
final TruthMaintenance tm = new TruthMaintenance(inf);
// add some assertions and verify aspects of their closure.
{
final StatementBuffer assertionBuffer = new StatementBuffer(tm
.newTempTripleStore(), store, 100/* capacity */, 10/*queueCapacity*/);
// stmt a
assertionBuffer.add(a, rdfType, entity );
// assertionBuffer.add(a, x, y );
// stmt b
assertionBuffer.add(b, rdfType, entity );
// assert the sameas
assertionBuffer.add(a, sameAs, b );
// flush statements to the tempStore.
assertionBuffer.flush();
// perform closure and write on the database.
tm.assertAll((TempTripleStore) assertionBuffer
.getStatementStore());
// dump after closure.
if (log.isInfoEnabled())
log.info("\ndump after closure:\n"
+ store.dumpStore(store, true, true, false, true));
}
/*
* retract stmt A and update the closure.
*
* then verify that the retracted statement is gone and that the
* other explicit statements were not touched.
*/
{
final StatementBuffer retractionBuffer = new StatementBuffer(tm
.newTempTripleStore(), store, 100/* capacity */, 10/*queueCapacity*/);
// retract the sameas
retractionBuffer.add(a, sameAs, b);
// flush statements to the tempStore.
retractionBuffer.flush();
// update the closure.
tm.retractAll((TempTripleStore) retractionBuffer
.getStatementStore());
// dump after re-closure.
if (log.isInfoEnabled())
log.info("\ndump after re-closure:\n"
+ store.dumpStore(store, true, true, false, true));
}
} finally {
store.__tearDownUnitTest();
}
}
Example 6
| Source File: TestRuleRdfs03.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Literals may not appear in the subject position, but an rdfs4b entailment
* can put them there unless you explicitly filter it out.
* <P>
* Note: {@link RuleRdfs04b} is the other way that literals can be entailed
* into the subject position.
*
* @throws Exception
*/
public void test_rdfs3_filterLiterals() throws Exception {
final Properties properties = super.getProperties();
// override the default axiom model.
properties.setProperty(Options.AXIOMS_CLASS, NoAxioms.class.getName());
final AbstractTripleStore store = getStore(properties);
try {
URI A = new URIImpl("http://www.foo.org/A");
URI X = new URIImpl("http://www.foo.org/X");
URI U = new URIImpl("http://www.foo.org/U");
Literal V1 = new LiteralImpl("V1"); // a literal.
URI V2 = new URIImpl("http://www.foo.org/V2"); // not a literal.
URI rdfRange = RDFS.RANGE;
URI rdfType = RDF.TYPE;
store.addStatement(A, rdfRange, X);
store.addStatement(U, A, V1);
store.addStatement(U, A, V2);
assertTrue(store.hasStatement(A, rdfRange, X));
assertTrue(store.hasStatement(U, A, V1));
assertTrue(store.hasStatement(U, A, V2));
assertEquals(3,store.getStatementCount());
/*
* Note: The rule computes the entailement but it gets whacked by
* the DoNotAddFilter on the InferenceEngine, so it is counted here
* but does not show in the database.
*/
final Vocabulary vocab = store.getVocabulary();
final Rule r = new RuleRdfs03(
store.getSPORelation().getNamespace(), vocab);
final IElementFilter<ISPO> filter = new DoNotAddFilter(vocab,
store.getAxioms(), true/* forwardChainRdfTypeRdfsResource */);
applyRule(store, r, filter/* , false justified */,
-1/* solutionCount */, 1/* mutationCount*/);
/*
* validate the state of the primary store.
*/
assertTrue(store.hasStatement(A, rdfRange, X));
assertTrue(store.hasStatement(U, A, V1));
assertTrue(store.hasStatement(U, A, V2));
assertTrue(store.hasStatement(V2, rdfType, X));
assertEquals(4,store.getStatementCount());
} finally {
store.__tearDownUnitTest();
}
}
Example 7
| Source File: TestStatementBuffer.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Test verifies detection of duplicate terms and their automatic
* replacement with a canonicalizing term.
*/
public void test_handleStatement_distinctTerm() {
final int capacity = 5;
final AbstractTripleStore store = getStore();
try {
final StatementBuffer<Statement> buffer = new StatementBuffer<Statement>(
store, capacity);
// assertTrue(buffer.distinct);
/*
* add a statement.
*/
final URI s1 = new URIImpl("http://www.foo.org");
final URI p1 = RDF.TYPE;
final URI o1 = RDFS.RESOURCE;
final URI c1 = null; // no context.
buffer.handleStatement(s1, p1, o1, c1, StatementEnum.Explicit);
assertEquals(8, buffer.numURIs);
assertEquals(0, buffer.numLiterals);
assertEquals(0, buffer.numBNodes);
assertEquals(1, buffer.numStmts);
/*
* add another statement.
*/
final URI s2 = new URIImpl("http://www.foo.org"); // duplicate term!
final URI p2 = RDFS.LABEL;
final Literal o2 = new LiteralImpl("test lit.");
final URI c2 = null;
buffer.handleStatement(s2, p2, o2, c2, StatementEnum.Explicit);
assertEquals(9, buffer.numURIs); // only 4 since one is duplicate.
assertEquals(1, buffer.numLiterals);
assertEquals(0, buffer.numBNodes);
assertEquals(2, buffer.numStmts);
/*
* add a duplicate statement.
*/
final URI s3 = new URIImpl("http://www.foo.org"); // duplicate term
final URI p3 = RDFS.LABEL; // duplicate term
final Literal o3 = new LiteralImpl("test lit."); // duplicate term
final URI c3 = null;
buffer.handleStatement(s3, p3, o3, c3, StatementEnum.Explicit);
assertEquals(9, buffer.numURIs);
assertEquals(1, buffer.numLiterals);
assertEquals(0, buffer.numBNodes);
assertEquals(3, buffer.numStmts);
/*
* add a duplicate statement using the _same_ term objects.
*/
buffer.handleStatement(s3, p3, o3, c3, StatementEnum.Explicit);
assertEquals(9, buffer.numURIs);
assertEquals(1, buffer.numLiterals);
assertEquals(0, buffer.numBNodes);
assertEquals(4, buffer.numStmts);
buffer.flush();
} finally {
store.__tearDownUnitTest();
}
}
Example 8
| Source File: TestInlineValues.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testInlineValuesLT() 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 ValueFactory vf = sail.getValueFactory();
URI A = vf.createURI("_:A");
URI B = vf.createURI("_:B");
URI X = vf.createURI("_:X");
URI AGE = vf.createURI("_:AGE");
Literal _25 = vf.createLiteral(25);
Literal _45 = vf.createLiteral(45);
cxn.add(A, RDF.TYPE, X);
cxn.add(B, RDF.TYPE, X);
cxn.add(A, AGE, _25);
cxn.add(B, AGE, _45);
/*
* 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();
if (log.isInfoEnabled()) {
log.info(cxn.getTripleStore().dumpStore());
}
{
String query =
"select ?s ?age " +
"WHERE { " +
" ?s <"+RDF.TYPE+"> <"+X+"> . " +
" ?s <"+AGE+"> ?age . " +
" FILTER( ?age < 35 ) . " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
TupleQueryResult result = tupleQuery.evaluate();
Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", A),
new BindingImpl("age", _25)
}));
compare(result, solution);
}
} finally {
cxn.close();
sail.__tearDownUnitTest();
}
}
Example 9
| Source File: TestInlineValues.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testInlineValuesGT() 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 ValueFactory vf = sail.getValueFactory();
URI A = vf.createURI("_:A");
URI B = vf.createURI("_:B");
URI X = vf.createURI("_:X");
URI AGE = vf.createURI("_:AGE");
Literal _25 = vf.createLiteral(25);
Literal _45 = vf.createLiteral(45);
cxn.add(A, RDF.TYPE, X);
cxn.add(B, RDF.TYPE, X);
cxn.add(A, AGE, _25);
cxn.add(B, AGE, _45);
/*
* 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();
if (log.isInfoEnabled()) {
log.info(cxn.getTripleStore().dumpStore());
}
{
String query =
"select ?s ?age " +
"WHERE { " +
" ?s <"+RDF.TYPE+"> <"+X+"> . " +
" ?s <"+AGE+"> ?age . " +
" FILTER( ?age > 35 ) . " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
TupleQueryResult result = tupleQuery.evaluate();
Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", B),
new BindingImpl("age", _45)
}));
compare(result, solution);
}
} finally {
cxn.close();
sail.__tearDownUnitTest();
}
}
Example 10
| Source File: TestUnions.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Tests mapping of UNIONS in SPARQL onto unions in bigdata rules.
*
* @throws Exception
*/
public void testSesameFilters() 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 jack = new URIImpl("_:Jack");
final URI jill = new URIImpl("_:Jill");
final URI person = new URIImpl("_:Person");
final URI age = new URIImpl("_:age");
final URI integer = new URIImpl("http://www.w3.org/2001/XMLSchema#integer");
/**/
cxn.add(
jack,
RDF.TYPE,
person
);
cxn.add(
jill,
RDF.TYPE,
person
);
cxn.add(
jack,
age,
new LiteralImpl("40", integer)
);
cxn.add(
jill,
age,
new LiteralImpl("30", integer)
);
/**/
/*
* 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();
/**/
log.info("hello");
if (log.isInfoEnabled()) {
log.info(cxn.getTripleStore().dumpStore());
}
{
String query =
"SELECT * " +
"WHERE { " +
" { " +
" ?x <"+RDF.TYPE+"> <"+person+"> . " +
" ?x <"+age+"> ?age1 . " +
" FILTER( ?age1 > 35 ) . " +
" } " +
" UNION " +
" { " +
" ?x <"+RDF.TYPE+"> <"+person+"> . " +
" ?x <"+age+"> ?age2 . " +
" FILTER( ?age2 > 25 ) . " +
" } " +
"}";
final StringWriter sw = new StringWriter();
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
tupleQuery.setIncludeInferred(true /* includeInferred */);
tupleQuery.evaluate(new SPARQLResultsXMLWriter(new XMLWriter(sw)));
if(log.isInfoEnabled())log.info(sw.toString());
}
} finally {
cxn.close();
sail.__tearDownUnitTest();
}
}
Example 11
| Source File: TestStatementBuffer.java From database with GNU General Public License v2.0 | 2 votes |
|
/**
* Test verifies interpretation of triples by the {@link StatementBuffer} by
* validating how the triples written onto the statement buffer are loaded
* into the {@link AbstractTripleStore}.
*/
public void test_statementBuffer() {
final int capacity = 5;
final Properties properties = new Properties(getProperties());
// turn off entailments.
properties.setProperty(AbstractTripleStore.Options.AXIOMS_CLASS,
NoAxioms.class.getName());
final AbstractTripleStore store = getStore(properties);
try {
// store is empty.
assertEquals(0,store.getStatementCount());
final BigdataValueFactory vf = store.getValueFactory();
final StatementBuffer<Statement> buffer = new StatementBuffer<Statement>(
store, capacity);
/*
* add a statement.
*/
final URI s1 = new URIImpl("http://www.foo.org");
final URI p1 = RDF.TYPE;
final URI o1 = RDFS.RESOURCE;
final URI c1 = null; // no context.
buffer.add(vf.createStatement(s1, p1, o1, c1, StatementEnum.Explicit));
/*
* add another statement.
*/
final URI s2 = new URIImpl("http://www.foo.org"); // duplicate term!
final URI p2 = RDFS.LABEL;
final Literal o2 = new LiteralImpl("test lit.");
final URI c2 = null;
buffer.add(vf.createStatement(s2, p2, o2, c2, StatementEnum.Explicit));
/*
* add a duplicate statement.
*/
final URI s3 = new URIImpl("http://www.foo.org"); // duplicate term
final URI p3 = RDFS.LABEL; // duplicate term
final Literal o3 = new LiteralImpl("test lit."); // duplicate term
final URI c3 = null;
buffer.handleStatement(s3, p3, o3, c3, StatementEnum.Explicit);
// store is still empty (statements are buffered).
assertEquals(0,store.getStatementCount());
// flush the buffer.
buffer.flush();
// the statements are now in the store.
assertEquals(2, store.getStatementCount());
assertTrue(store.hasStatement(s1, p1, o1));
assertTrue(store.hasStatement(s2, p2, o2));
assertFalse(store.hasStatement(s1, p2, o1));
} finally {
store.__tearDownUnitTest();
}
}
