Java ValueFactory.createStatement方法代碼示例

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void matchesSubject() throws Exception {
    // Create the matcher against a pattern that matches a specific subject.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "<urn:Alice> ?p ?o ." +
            "}"));

    // Create a statement that matches the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));

    // Create the expected resulting Binding Set.
    final QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("p", vf.createURI("urn:talksTo"));
    expected.addBinding("o", vf.createURI("urn:Bob"));

    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void doesNotMatchSubject() throws Exception {
    // Create the matcher against a pattern that matches a specific subject.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "<urn:Alice> ?p ?o ." +
            "}"));

    // Create a statement that does not match the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));

    // Show the statement did not match.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertFalse(bs.isPresent());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void matchesPredicate() throws Exception {
    // Create the matcher against a pattern that matches a specific predicate.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "?s <urn:talksTo> ?o ." +
            "}"));

    // Create a statement that matches the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));

    // Create the expected resulting Binding Set.
    final QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("s", vf.createURI("urn:Alice"));
    expected.addBinding("o", vf.createURI("urn:Bob"));

    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void doesNotMatchPredicate() throws Exception {
    // Create the matcher against a pattern that matches a specific predicate.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "?s <urn:talksTo> ?o ." +
            "}"));

    // Create a statement that does not match the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:knows"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));

    // Show the statement did not match.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertFalse(bs.isPresent());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void matchesObject() throws Exception {
    // Create the matcher against a pattern that matches a specific object.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "?s ?p <urn:Bob> ." +
            "}"));

    // Create a statement that matches the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));

    // Create the expected resulting Binding Set.
    final QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("s", vf.createURI("urn:Alice"));
    expected.addBinding("p", vf.createURI("urn:talksTo"));

    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void doesNotMatchObject() throws Exception {
    // Create the matcher against a pattern that matches a specific object.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "?s ?p <urn:Bob> ." +
            "}"));

    // Create a statement that does not match the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:knows"), vf.createURI("urn:Alice"), vf.createURI("urn:testGraph"));

    // Show the statement did not match.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertFalse(bs.isPresent());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void matchesContext() throws Exception {
    // Create a matcher against a pattern that matches a specific context.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "GRAPH <urn:testGraph> {" +
                    "?s ?p ?o ." +
                "}" +
            "}"));

    // Create a statement that matches the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));

    // Create the expected resulting Binding Set.
    final QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("s", vf.createURI("urn:Alice"));
    expected.addBinding("p", vf.createURI("urn:talksTo"));
    expected.addBinding("o", vf.createURI("urn:Bob"));

    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void variableContext() throws Exception {
    // Create a matcher against a pattern that matches a variable context.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp(
            "SELECT * WHERE {" +
                "GRAPH ?c {" +
                    "?s ?p ?o ." +
                "}" +
            "}"));

    // Create a statement that matches the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));

    // Create the expected resulting Binding Set.
    final QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("s", vf.createURI("urn:Alice"));
    expected.addBinding("p", vf.createURI("urn:talksTo"));
    expected.addBinding("o", vf.createURI("urn:Bob"));
    expected.addBinding("c", vf.createURI("urn:testGraph"));

    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Ignore
@Test
public void testAddStatement() throws Exception {
    SailRepositoryFactory f = new SailRepositoryFactory();
    Repository r = f.getRepository(getConfig());
    r.initialize();
    RepositoryConnection rc = r.getConnection();

    ValueFactory vf = rc.getValueFactory();
    Statement s = vf.createStatement(vf.createURI("u:a"), vf.createURI("u:b"), vf.createURI("u:c"));

    assertFalse(rc.hasStatement(s, false));

    rc.add(s);

    Assert.assertTrue(rc.hasStatement(s, false));
    rc.close();
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void binaryResult() {
    // Create the input binding set.
    final ValueFactory vf = new ValueFactoryImpl();
    final MapBindingSet bindingSet = new MapBindingSet();
    bindingSet.addBinding("subject", vf.createURI("urn:Alice"));
    bindingSet.addBinding("predicate", vf.createURI("urn:age"));
    bindingSet.addBinding("object", vf.createLiteral(34));
    final VisibilityBindingSet visBs = new VisibilityBindingSet(bindingSet, "a");

    // Mock the processor context that will be invoked.
    final ProcessorContext context = mock(ProcessorContext.class);

    // Run the test.
    final StatementOutputFormatter formatter = new StatementOutputFormatter();
    formatter.init(context);
    formatter.process("key", ProcessorResult.make(new BinaryResult(Side.LEFT, visBs)));

    // Verify the mock was invoked with the expected output.
    final VisibilityStatement expectedStmt = new VisibilityStatement(vf.createStatement(
            vf.createURI("urn:Alice"),
            vf.createURI("urn:age"),
            vf.createLiteral(34)), "a");
    verify(context, times(1)).forward(eq("key"), eq(expectedStmt));
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void testContextSearch() throws Exception {
    try (MongoFreeTextIndexer f = new MongoFreeTextIndexer()) {
        f.setConf(conf);
        f.init();

        final ValueFactory vf = new ValueFactoryImpl();
        final URI subject = new URIImpl("foo:subj");
        final URI predicate = new URIImpl(RDFS.COMMENT.toString());
        final Value object = vf.createLiteral("this is a new hat");
        final URI context = new URIImpl("foo:context");

        final Statement statement = vf.createStatement(subject, predicate, object, context);
        f.storeStatement(RdfToRyaConversions.convertStatement(statement));
        f.flush();

        assertEquals(Sets.newHashSet(statement), getSet(f.queryText("hat", EMPTY_CONSTRAINTS)));
        assertEquals(Sets.newHashSet(statement), getSet(f.queryText("hat", new StatementConstraints().setContext(context))));
        assertEquals(Sets.newHashSet(),
                getSet(f.queryText("hat", new StatementConstraints().setContext(vf.createURI("foo:context2")))));
    }
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void testContextSearch() throws Exception {
    try (AccumuloFreeTextIndexer f = new AccumuloFreeTextIndexer()) {
        f.setConf(conf);
        f.setMultiTableBatchWriter(ConfigUtils.createMultitableBatchWriter(conf));
        f.init();

        ValueFactory vf = new ValueFactoryImpl();
        URI subject = new URIImpl("foo:subj");
        URI predicate = new URIImpl(RDFS.COMMENT.toString());
        Value object = vf.createLiteral("this is a new hat");
        URI context = new URIImpl("foo:context");

        Statement statement = vf.createStatement(subject, predicate, object, context);
        f.storeStatement(RdfToRyaConversions.convertStatement(statement));
        f.flush();

        Assert.assertEquals(Sets.newHashSet(statement), getSet(f.queryText("hat", EMPTY_CONSTRAINTS)));
        Assert.assertEquals(Sets.newHashSet(statement), getSet(f.queryText("hat", new StatementConstraints().setContext(context))));
        Assert.assertEquals(Sets.newHashSet(),
                getSet(f.queryText("hat", new StatementConstraints().setContext(vf.createURI("foo:context2")))));
    }
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void serializeAndDeserialize() {
    // Create the object that will be serialized.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(
            vf.createURI("urn:person1"),
            vf.createURI("urn:hasName"),
            vf.createLiteral("alice"),
            vf.createURI("urn:testContext"));

    final VisibilityStatement original = new VisibilityStatement(statement, "a|b|c");

    // Serialize it.
    try(final Serde<VisibilityStatement> serde = new VisibilityStatementSerde()) {
        final byte[] bytes = serde.serializer().serialize("topic", original);

        // Deserialize it.
        final VisibilityStatement deserialized = serde.deserializer().deserialize("topic", bytes);

        // Show the deserialized value matches the original.
        assertEquals(original, deserialized);
    }
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
@Test
public void unaryResult() {
    // Create the input binding set.
    final ValueFactory vf = new ValueFactoryImpl();
    final MapBindingSet bindingSet = new MapBindingSet();
    bindingSet.addBinding("subject", vf.createURI("urn:Alice"));
    bindingSet.addBinding("predicate", vf.createURI("urn:age"));
    bindingSet.addBinding("object", vf.createLiteral(34));
    final VisibilityBindingSet visBs = new VisibilityBindingSet(bindingSet, "a");

    // Mock the processor context that will be invoked.
    final ProcessorContext context = mock(ProcessorContext.class);

    // Run the test.
    final StatementOutputFormatter formatter = new StatementOutputFormatter();
    formatter.init(context);
    formatter.process("key", ProcessorResult.make(new UnaryResult(visBs)));

    // Verify the mock was invoked with the expected output.
    final VisibilityStatement expectedStmt = new VisibilityStatement(vf.createStatement(
            vf.createURI("urn:Alice"),
            vf.createURI("urn:age"),
            vf.createLiteral(34)), "a");
    verify(context, times(1)).forward(eq("key"), eq(expectedStmt));
}
 

import org.openrdf.model.ValueFactory; //導入方法依賴的package包/類
/**
 * Insert Triple/Statement into graph
 * 
 * @param s
 *            subject uriref
 * @param p
 *            predicate uriref
 * @param o
 *            value object (URIref or Literal)
 */
public void add(URI s, URI p, Value o) {
	try {
		RepositoryConnection con = therepository.getConnection();
		try {
			ValueFactory myFactory = con.getValueFactory();
			Statement st = myFactory.createStatement((Resource) s, p, (Value) o);
			con.add(st, new Resource[0]);
		} finally {
			con.close();
		}
	} catch (Exception e) {
		// handle exception
	}
}