Java Code Examples for org.openrdf.model.vocabulary.RDFS#LABEL
The following examples show how to use
org.openrdf.model.vocabulary.RDFS#LABEL .
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Example 1
| Source File: TestBigdataSailRemoteRepository.java From database with GNU General Public License v2.0 | 5 votes |
|
/**
* Test of insert and retrieval of a large literal.
*/
public void test_INSERT_veryLargeLiteral() throws Exception {
final Graph g = new LinkedHashModel();
final URI s = new URIImpl("http://www.bigdata.com/");
final URI p = RDFS.LABEL;
final Literal o = getVeryLargeLiteral();
final Statement stmt = new StatementImpl(s, p, o);
g.add(stmt);
// Load the resource into the KB.
assertEquals(
1L,
doInsertByBody("POST", RDFFormat.RDFXML, g, null/* defaultContext */));
// Read back the data into a graph.
final Graph g2;
{
final String queryStr = "DESCRIBE <" + s.stringValue() + ">";
final GraphQuery query = cxn.prepareGraphQuery(QueryLanguage.SPARQL, queryStr);
g2 = asGraph(query.evaluate());
}
assertEquals(1, g2.size());
assertTrue(g2.match(s, p, o).hasNext());
}
Example 2
| 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 3
| 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 4
| Source File: DefaultBlueprintsValueFactory.java From database with GNU General Public License v2.0 | 3 votes |
|
/**
* {@inheritDoc}
*/
@Override
public URI toPropertyURI(final String property) {
try {
if (property.equals("label")) {
/*
* Label is a reserved property for edge labels, we use
* rdfs:label for that.
*/
return RDFS.LABEL;
} else {
return vf.createURI(GRAPH_NAMESPACE, URLEncoder.encode(property, "UTF-8"));
}
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
Example 5
| 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();
}
}
