Java Code Examples for org.openrdf.model.Graph#add()
The following examples show how to use
org.openrdf.model.Graph#add() .
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Example 1
| 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 2
| Source File: EntityStateSerializer.java From attic-polygene-java with Apache License 2.0 | 5 votes |
|
public void serialize( final EntityState entityState,
final boolean includeNonQueryable,
final Graph graph
)
{
ValueFactory values = graph.getValueFactory();
EntityReference reference = entityState.entityReference();
URI entityUri = createEntityURI( values, reference );
graph.add( entityUri,
Rdfs.TYPE,
values.createURI(
Classes.toURI( entityState.entityDescriptor().types().findFirst().orElse( null ) ) ) );
serializeProperties( entityState,
graph,
entityUri,
entityState.entityDescriptor(),
includeNonQueryable );
serializeAssociations( entityState,
graph,
entityUri,
entityState.entityDescriptor().state().associations(),
includeNonQueryable );
serializeManyAssociations( entityState,
graph,
entityUri,
entityState.entityDescriptor().state().manyAssociations(),
includeNonQueryable );
}
Example 3
| Source File: AbstractTestNanoSparqlClient.java From database with GNU General Public License v2.0 | 5 votes |
|
protected void doConstructTest(final String method, final RDFFormat format)
throws Exception {
setupDataOnServer();
final URI mike = new URIImpl(BD.NAMESPACE + "Mike");
final URI bryan = new URIImpl(BD.NAMESPACE + "Bryan");
final URI person = new URIImpl(BD.NAMESPACE + "Person");
// The expected results.
final Graph expected = new LinkedHashModel();
{
// expected.add(new StatementImpl(mike, likes, rdf));
expected.add(new StatementImpl(mike, RDF.TYPE, person));
expected.add(new StatementImpl(bryan, RDF.TYPE, person));
// expected.add(new StatementImpl(mike, RDFS.LABEL, label1));
}
// Run the query and verify the results.
{
final String queryStr =
"prefix bd: <"+BD.NAMESPACE+"> " +//
"prefix rdf: <"+RDF.NAMESPACE+"> " +//
"prefix rdfs: <"+RDFS.NAMESPACE+"> " +//
"CONSTRUCT { ?x rdf:type bd:Person }" +//
"WHERE { " +//
" ?x rdf:type bd:Person . " +//
// " ?x bd:likes bd:RDF " +//
"}";
final IPreparedGraphQuery query = m_repo.prepareGraphQuery(queryStr);
// final Graph actual = asGraph(query.evaluate());
assertSameGraph(expected, query);
}
}
Example 4
| 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 5
| Source File: BigdataSailConfig.java From database with GNU General Public License v2.0 | 5 votes |
|
@Override
public Resource export(Graph graph)
{
Resource implNode = super.export(graph);
if (propertiesFile != null) {
graph.add(implNode, BigdataConfigSchema.PROPERTIES,
graph.getValueFactory().createLiteral(propertiesFile));
}
return implNode;
}
Example 6
| 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 7
| Source File: BigdataRepositoryConfig.java From database with GNU General Public License v2.0 | 5 votes |
|
@Override
public Resource export(Graph graph)
{
Resource implNode = super.export(graph);
if (propertiesFile != null) {
graph.add(implNode, BigdataConfigSchema.PROPERTIES,
graph.getValueFactory().createLiteral(propertiesFile));
}
return implNode;
}
Example 8
| Source File: EntityStateSerializer.java From attic-polygene-java with Apache License 2.0 | 5 votes |
|
private void serializeProperty( PropertyDescriptor persistentProperty, Object property,
Resource subject, Graph graph,
boolean includeNonQueryable )
{
if( !( includeNonQueryable || persistentProperty.queryable() ) )
{
return; // Skip non-queryable
}
ValueType valueType = persistentProperty.valueType();
final ValueFactory valueFactory = graph.getValueFactory();
String propertyURI = persistentProperty.qualifiedName().toURI();
URI predicate = valueFactory.createURI( propertyURI );
String baseURI = propertyURI.substring( 0, propertyURI.indexOf( '#' ) ) + "/";
if( valueType instanceof ValueCompositeType )
{
serializeValueComposite( subject, predicate, (ValueComposite) property, valueType,
graph, baseURI, includeNonQueryable );
}
else
{
String stringProperty = serializer.serialize( Serializer.Options.NO_TYPE_INFO, property );
final Literal object = valueFactory.createLiteral( stringProperty );
graph.add( subject, predicate, object );
}
}
Example 9
| Source File: ObjectRepositoryConfig.java From anno4j with Apache License 2.0 | 5 votes |
|
private void exportAssocation(Resource subj, Map<Class<?>, List<URI>> assocation,
URI relation, Graph model) {
ValueFactory vf = ValueFactoryImpl.getInstance();
for (Map.Entry<Class<?>, List<URI>> e : assocation.entrySet()) {
URI name = vf.createURI(JAVA_NS, e.getKey().getName());
model.add(subj, relation, name);
if (e.getValue() != null) {
for (URI value : e.getValue()) {
model.add(name, KNOWN_AS, value);
}
}
}
}
Example 10
| Source File: BigdataSailRemoteRepositoryConnection.java From database with GNU General Public License v2.0 | 4 votes |
|
@Override
public <E extends Exception> void add(
final Iteration<? extends Statement, E> stmts, final Resource... c)
throws RepositoryException, E {
final Graph g = new LinkedHashModel();
while (stmts.hasNext()) {
g.add(stmts.next());
}
add(g, c);
}
Example 11
| Source File: Test_REST_DESCRIBE.java From database with GNU General Public License v2.0 | 4 votes |
|
protected void doStressDescribeTest(final String method,
final RDFFormat format, final int tasks, final int threads,
final int statements) throws Exception {
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");
{
// create a large number of mikes and bryans
final Graph g = new GraphImpl();
for (int n = 0; n < statements; n++) {
final URI miken = new URIImpl(BD.NAMESPACE + "Mike#" + n);
final URI bryann = new URIImpl(BD.NAMESPACE + "Bryan#" + n);
final Literal nameMiken = new LiteralImpl("Mike#" + n);
final Literal nameBryann = new LiteralImpl("Bryan#" + n);
g.add(miken, RDF.TYPE, person);
g.add(miken, likes, rdf);
g.add(miken, RDFS.LABEL, nameMiken);
g.add(bryann, RDF.TYPE, person);
g.add(bryann, likes, rdfs);
g.add(bryann, RDFS.LABEL, nameBryann);
}
m_repo.add(new AddOp(g));
}
// Run the DESCRIBE query and verify the results (non-empty).
{
final String queryStr = "prefix bd: <" + BD.NAMESPACE + "> " + //
"prefix rdf: <" + RDF.NAMESPACE + "> " + //
"prefix rdfs: <" + RDFS.NAMESPACE + "> " + //
"DESCRIBE ?x " + //
"WHERE { " + //
" ?x rdf:type bd:Person . " + //
" ?x bd:likes bd:RDF " + //
"}";
final AtomicInteger errorCount = new AtomicInteger();
final Callable<Void> task = new Callable<Void>() {
@Override
public Void call() throws Exception {
try {
final Graph actual = asGraph(m_repo
.prepareGraphQuery(queryStr));
assertTrue(!actual.isEmpty());
return null;
} catch (Exception e) {
log.warn("Call failure", e);
errorCount.incrementAndGet();
throw e;
}
}
};
final int threadCount = Thread.activeCount();
final ExecutorService exec = Executors.newFixedThreadPool(threads);
for (int r = 0; r < tasks; r++) {
exec.submit(task);
}
exec.shutdown();
exec.awaitTermination(2000, TimeUnit.SECONDS);
// force shutdown
exec.shutdownNow();
int loops = 20;
while (Thread.activeCount() > threadCount && --loops > 0) {
Thread.sleep(500);
if (log.isTraceEnabled())
log.trace("Extra threads: "
+ (Thread.activeCount() - threadCount));
}
if (log.isInfoEnabled())
log.info("Return with extra threads: "
+ (Thread.activeCount() - threadCount));
assertTrue(errorCount.get() == 0);
}
}
Example 12
| Source File: DemoSesameServer.java From database with GNU General Public License v2.0 | 4 votes |
|
public static void _main(String[] args) throws Exception {
String sesameURL, repoID;
if (args != null && args.length == 2) {
sesameURL = args[0];
repoID = args[1];
} else {
sesameURL = DemoSesameServer.sesameURL;
repoID = DemoSesameServer.repoID;
}
Repository repo = new HTTPRepository(sesameURL, repoID);
repo.initialize();
RepositoryConnection cxn = repo.getConnection();
cxn.setAutoCommit(false);
try { // load some statements built up programmatically
URI mike = new URIImpl(BD.NAMESPACE + "Mike");
URI bryan = new URIImpl(BD.NAMESPACE + "Bryan");
URI loves = new URIImpl(BD.NAMESPACE + "loves");
URI rdf = new URIImpl(BD.NAMESPACE + "RDF");
Graph graph = new GraphImpl();
graph.add(mike, loves, rdf);
graph.add(bryan, loves, rdf);
cxn.add(graph);
cxn.commit();
} finally {
cxn.close();
}
{ // show the entire contents of the repository
SparqlBuilder sparql = new SparqlBuilder();
sparql.addTriplePattern("?s", "?p", "?o");
GraphQuery query = cxn.prepareGraphQuery(
QueryLanguage.SPARQL, sparql.toString());
GraphQueryResult result = query.evaluate();
while (result.hasNext()) {
Statement stmt = result.next();
System.err.println(stmt);
}
}
}
Example 13
| Source File: DescribeCacheUpdater.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Associate the statement with the resource. It is part of the
* description of that resource.
*
* @param describedResource
* A resource that is being described.
* @param stmt
* A statement having that resource as either the subject or
* object.
*/
private void record(final BigdataValue describedResource,
final BigdataStatement stmt) {
Graph g = graphs.get(describedResource);
if(g == null) {
graphs.put(describedResource, g = new GraphImpl());
}
g.add(stmt);
if (log.isDebugEnabled())
log.debug("DESCRIBE: describedResource=" + describedResource
+ ", statement=" + stmt);
}
Example 14
| Source File: AbstractTestNanoSparqlClient.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* @deprecated by {@link #asGraph(IPreparedGraphQuery)} which can ensure that
* the {@link GraphQueryResult} is closed.
*/
static protected Graph asGraph(final GraphQueryResult result) throws Exception {
try {
final Graph g = new LinkedHashModel();
while (result.hasNext()) {
g.add(result.next());
}
return g;
} finally {
result.close();
}
}
Example 15
| Source File: AbstractTestNanoSparqlClient.java From database with GNU General Public License v2.0 | 4 votes |
|
protected Graph genNTRIPLES2(final int ntriples)
throws RDFHandlerException {
final Graph g = new LinkedHashModel();
final ValueFactory f = new ValueFactoryImpl();
final URI s = f.createURI("http://www.bigdata.org/b");
final URI rdfType = f
.createURI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type");
for (int i = 0; i < ntriples; i++) {
final URI o = f.createURI("http://www.bigdata.org/c#" + i);
g.add(s, rdfType, o);
}
return g;
}
Example 16
| Source File: AbstractTestNanoSparqlClient.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Inserts some data into the KB and then issues a DESCRIBE query against
* the REST API and verifies the expected results.
*
* @param format
* The format is used to specify the Accept header.
*
* @throws Exception
*/
protected void doDescribeTest(final String method, final RDFFormat format)
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));
}
// The expected results.
final Graph expected = new LinkedHashModel();
{
expected.add(new StatementImpl(mike, likes, rdf));
expected.add(new StatementImpl(mike, RDF.TYPE, person));
expected.add(new StatementImpl(mike, RDFS.LABEL, label1));
}
// Run the query and verify the results.
{
final String queryStr =
"prefix bd: <"+BD.NAMESPACE+"> " +//
"prefix rdf: <"+RDF.NAMESPACE+"> " +//
"prefix rdfs: <"+RDFS.NAMESPACE+"> " +//
"DESCRIBE ?x " +//
"WHERE { " +//
" ?x rdf:type bd:Person . " +//
" ?x bd:likes bd:RDF " +//
"}";
assertSameGraph(expected, m_repo.prepareGraphQuery(queryStr));
}
}
Example 17
| Source File: EntityStateSerializer.java From attic-polygene-java with Apache License 2.0 | 4 votes |
|
private void serializeValueComposite( Resource subject, URI predicate,
ValueComposite value,
ValueType valueType,
Graph graph,
String baseUri,
boolean includeNonQueryable
)
{
final ValueFactory valueFactory = graph.getValueFactory();
BNode collection = valueFactory.createBNode();
graph.add( subject, predicate, collection );
( (ValueCompositeType) valueType ).properties().forEach(
persistentProperty ->
{
Object propertyValue
= PolygeneAPI.FUNCTION_COMPOSITE_INSTANCE_OF
.apply( value )
.state()
.propertyFor( persistentProperty.accessor() )
.get();
if( propertyValue != null )
{
ValueType type = persistentProperty
.valueType();
if( type instanceof ValueCompositeType )
{
URI pred = valueFactory.createURI( baseUri,
persistentProperty
.qualifiedName()
.name() );
serializeValueComposite( collection, pred,
(ValueComposite) propertyValue,
type, graph,
baseUri
+ persistentProperty
.qualifiedName()
.name() + "/",
includeNonQueryable );
}
else
{
serializeProperty( persistentProperty,
propertyValue,
collection, graph,
includeNonQueryable );
}
}
} );
}
Example 18
| Source File: BigdataSailRemoteRepositoryConnection.java From database with GNU General Public License v2.0 | 3 votes |
|
/**
* <strong>single statement updates not recommended for performance
* reasons</strong>. Remember, batch is beautiful.
* <p>
* {@inheritDoc}
*/
@Override
public void add(final Statement stmt, final Resource... c)
throws RepositoryException {
// log.warn("single statement updates not recommended");
final Graph g = new LinkedHashModel();
g.add(stmt);
add(g, c);
}
Example 19
| Source File: RemoteRepositoryBase.java From database with GNU General Public License v2.0 | 3 votes |
|
/**
* Utility method to turn a {@link GraphQueryResult} into a {@link Graph}.
*
* @param result
* The {@link GraphQueryResult}.
*
* @return The {@link Graph}.
*
* @throws Exception
*/
static public Graph asGraph(final GraphQueryResult result) throws Exception {
final Graph g = new LinkedHashModel();
while (result.hasNext()) {
g.add(result.next());
}
return g;
}
Example 20
| Source File: BigdataSailRemoteRepositoryConnection.java From database with GNU General Public License v2.0 | 3 votes |
|
/**
* <strong>single statement updates not recommended for performance
* reasons</strong>. Remember, batch is beautiful.
* <p>
* {@inheritDoc}
*/
@Override
public void remove(final Statement stmt, final Resource... c)
throws RepositoryException {
// log.warn("single statement updates not recommended");
final Graph g = new LinkedHashModel();
g.add(stmt);
remove(g, c);
}
