Examples with RyaType org.apache.rya.api.domain.RyaType used on opensource projects

Example 16 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class MongoStatementMetadataNodeIT method simpleQueryWithoutBindingSet.

@Test
public void simpleQueryWithoutBindingSet() throws Exception {
    MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        StatementMetadata metadata = new StatementMetadata();
        metadata.addMetadata(new RyaURI("http://createdBy"), new RyaType("Joe"));
        metadata.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-04"));
        RyaStatement statement = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("CoffeeShop"), new RyaURI("http://context"), "", metadata);
        dao.add(statement);
        SPARQLParser parser = new SPARQLParser();
        ParsedQuery pq = parser.parseQuery(query, null);
        List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
        StatementMetadataNode<?> node = new StatementMetadataNode<>(spList, conf);
        CloseableIteration<BindingSet, QueryEvaluationException> iteration = node.evaluate(new QueryBindingSet());
        QueryBindingSet bs = new QueryBindingSet();
        bs.addBinding("x", new LiteralImpl("CoffeeShop"));
        bs.addBinding("y", new LiteralImpl("Joe"));
        List<BindingSet> bsList = new ArrayList<>();
        while (iteration.hasNext()) {
            bsList.add(iteration.next());
        }
        Assert.assertEquals(1, bsList.size());
        Assert.assertEquals(bs, bsList.get(0));
        dao.delete(statement, conf);
    } finally {
        dao.destroy();
    }
}

Example 17 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class StatementMetadataExample method example1.

/**
 * This example demonstrates how a reified query can be used to return
 * metadata. In the example below, the query returns all the places that Joe
 * works at along with the people that created the triples containing those locations
 * and the dates that those triples were created on.
 *
 * @throws Exception
 */
private void example1() throws Exception {
    String query1 = "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> \n" + "PREFIX owl: <http://www.w3.org/2002/07/owl#> \n" + "SELECT ?x ?y ?z \n" + "WHERE {\n" + "_:blankNode rdf:type owl:Annotation. \n" + "_:blankNode owl:annotatedSource <http://Joe>. \n" + "_:blankNode owl:annotatedProperty <http://worksAt>. \n" + "_:blankNode owl:annotatedTarget ?x. \n" + "_:blankNode <http://createdBy> ?y. \n" + "_:blankNode <http://createdOn> ?z }\n";
    StatementMetadata metadata1 = new StatementMetadata();
    metadata1.addMetadata(new RyaURI("http://createdBy"), new RyaURI("http://Dave"));
    metadata1.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-02"));
    RyaStatement statement1 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("CoffeeShop"), new RyaURI("http://context"), "", metadata1);
    StatementMetadata metadata2 = new StatementMetadata();
    metadata2.addMetadata(new RyaURI("http://createdBy"), new RyaURI("http://Dave"));
    metadata2.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-02-04"));
    RyaStatement statement2 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("HardwareStore"), new RyaURI("http://context"), "", metadata2);
    StatementMetadata metadata3 = new StatementMetadata();
    metadata3.addMetadata(new RyaURI("http://createdBy"), new RyaURI("http://Fred"));
    metadata3.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-03-08"));
    RyaStatement statement3 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("Library"), new RyaURI("http://context"), "", metadata3);
    // add statements for querying
    dao.add(statement1);
    dao.add(statement2);
    dao.add(statement3);
    System.out.println("**************************************************************************");
    System.out.println("                            RUNNING EXAMPLE 1");
    System.out.println("**************************************************************************");
    System.out.println("");
    // issue query - 3 results expected
    query(query1, 3);
    // delete statements to run next example
    dao.delete(Arrays.asList(statement1, statement2, statement3).iterator(), getConf());
}

Example 18 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class StatementMetadataExample method example3.

/**
 * In addition to returning metadata, this example demonstrates how a
 * reified query can be used to return only those triples matching certain
 * metadata criteria.  The query below returns only those triples containing Joe's
 * work location that were created on 2017-02-04.  To filter by metadata property, simply set the
 * value for the property to a fixed constant ('2017-02-04'^^xsd:date is set for the property
 * http://createdOn in the query below).
 *
 * @throws Exception
 */
private void example3() throws Exception {
    String query3 = "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> \n" + "PREFIX owl: <http://www.w3.org/2002/07/owl#> \n" + "SELECT ?x ?y \n" + "WHERE {\n" + "_:blankNode rdf:type owl:Annotation. \n" + "_:blankNode owl:annotatedSource <http://Joe>. \n" + "_:blankNode owl:annotatedProperty <http://worksAt>. \n" + "_:blankNode owl:annotatedTarget ?x. \n" + "_:blankNode <http://createdBy> ?y. \n" + "_:blankNode <http://createdOn> '2017-02-04'^^xsd:date }\n";
    StatementMetadata metadata1 = new StatementMetadata();
    metadata1.addMetadata(new RyaURI("http://createdBy"), new RyaURI("http://Dave"));
    metadata1.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-02"));
    RyaStatement statement1 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("CoffeeShop"), new RyaURI("http://context"), "", metadata1);
    StatementMetadata metadata2 = new StatementMetadata();
    metadata2.addMetadata(new RyaURI("http://createdBy"), new RyaURI("http://Dave"));
    metadata2.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-02-04"));
    RyaStatement statement2 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("HardwareStore"), new RyaURI("http://context"), "", metadata2);
    StatementMetadata metadata3 = new StatementMetadata();
    metadata3.addMetadata(new RyaURI("http://createdBy"), new RyaURI("http://Fred"));
    metadata3.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-03-08"));
    RyaStatement statement3 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("Library"), new RyaURI("http://context"), "", metadata3);
    // add statements for querying
    dao.add(statement1);
    dao.add(statement2);
    dao.add(statement3);
    System.out.println("**************************************************************************");
    System.out.println("                            RUNNING EXAMPLE 3");
    System.out.println("**************************************************************************");
    System.out.println("");
    // issue query - 1 result expected
    query(query3, 1);
    // delete statements to run next example
    dao.delete(Arrays.asList(statement1, statement2, statement3).iterator(), getConf());
}

Example 19 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class RyaOutputFormatTest method testFreeTextIndexing.

@Test
public void testFreeTextIndexing() throws Exception {
    final AccumuloFreeTextIndexer ft = new AccumuloFreeTextIndexer();
    ft.setConf(conf);
    final RyaStatement input = RyaStatement.builder().setSubject(new RyaURI(GRAPH + ":s")).setPredicate(new RyaURI(GRAPH + ":p")).setObject(new RyaType(XMLSchema.STRING, "one two three four five")).build();
    RyaOutputFormat.setCoreTablesEnabled(job, false);
    RyaOutputFormat.setFreeTextEnabled(job, true);
    RyaOutputFormat.setTemporalEnabled(job, false);
    RyaOutputFormat.setEntityEnabled(job, false);
    write(input);
    final Set<Statement> empty = new HashSet<>();
    final Set<Statement> expected = new HashSet<>();
    expected.add(RyaToRdfConversions.convertStatement(input));
    Assert.assertEquals(expected, getSet(ft.queryText("one", new StatementConstraints())));
    Assert.assertEquals(empty, getSet(ft.queryText("!two", new StatementConstraints())));
    Assert.assertEquals(expected, getSet(ft.queryText("*r", new StatementConstraints())));
    Assert.assertEquals(empty, getSet(ft.queryText("r*", new StatementConstraints())));
    Assert.assertEquals(expected, getSet(ft.queryText("!r*", new StatementConstraints())));
    Assert.assertEquals(expected, getSet(ft.queryText("t* & !s*", new StatementConstraints())));
    ft.close();
}

Example 20 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class GraphXInputFormatTest method testInputFormat.

@Test
public void testInputFormat() throws Exception {
    RyaStatement input = RyaStatement.builder().setSubject(new RyaURI("http://www.google.com")).setPredicate(new RyaURI("http://some_other_uri")).setObject(new RyaURI("http://www.yahoo.com")).setColumnVisibility(new byte[0]).setValue(new byte[0]).build();
    apiImpl.add(input);
    Job jobConf = Job.getInstance();
    GraphXInputFormat.setMockInstance(jobConf, instance.getInstanceName());
    GraphXInputFormat.setConnectorInfo(jobConf, username, password);
    GraphXInputFormat.setInputTableName(jobConf, table);
    GraphXInputFormat.setInputTableName(jobConf, table);
    GraphXInputFormat.setScanIsolation(jobConf, false);
    GraphXInputFormat.setLocalIterators(jobConf, false);
    GraphXInputFormat.setOfflineTableScan(jobConf, false);
    GraphXInputFormat inputFormat = new GraphXInputFormat();
    JobContext context = new JobContextImpl(jobConf.getConfiguration(), jobConf.getJobID());
    List<InputSplit> splits = inputFormat.getSplits(context);
    Assert.assertEquals(1, splits.size());
    TaskAttemptContext taskAttemptContext = new TaskAttemptContextImpl(context.getConfiguration(), new TaskAttemptID(new TaskID(), 1));
    RecordReader<Object, RyaTypeWritable> reader = inputFormat.createRecordReader(splits.get(0), taskAttemptContext);
    RyaStatementRecordReader ryaStatementRecordReader = (RyaStatementRecordReader) reader;
    ryaStatementRecordReader.initialize(splits.get(0), taskAttemptContext);
    List<RyaType> results = new ArrayList<RyaType>();
    System.out.println("before while");
    while (ryaStatementRecordReader.nextKeyValue()) {
        System.out.println("in while");
        RyaTypeWritable writable = ryaStatementRecordReader.getCurrentValue();
        RyaType value = writable.getRyaType();
        Object text = ryaStatementRecordReader.getCurrentKey();
        RyaType type = new RyaType();
        type.setData(value.getData());
        type.setDataType(value.getDataType());
        results.add(type);
        System.out.println(value.getData());
        System.out.println(value.getDataType());
        System.out.println(results);
        System.out.println(type);
        System.out.println(text);
        System.out.println(value);
    }
    System.out.println("after while");
    System.out.println(results.size());
    System.out.println(results);
// Assert.assertTrue(results.size() == 2);
// Assert.assertTrue(results.contains(input));
}