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

Example 86 with RyaStatement

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

the class MergeJoinTest method testSimpleMergeJoin.

@Test
public void testSimpleMergeJoin() throws Exception {
    // add data
    RyaURI pred = new RyaURI(litdupsNS, "pred1");
    RyaType one = new RyaType("1");
    RyaType two = new RyaType("2");
    RyaURI subj1 = new RyaURI(litdupsNS, "subj1");
    RyaURI subj2 = new RyaURI(litdupsNS, "subj2");
    RyaURI subj3 = new RyaURI(litdupsNS, "subj3");
    RyaURI subj4 = new RyaURI(litdupsNS, "subj4");
    dao.add(new RyaStatement(subj1, pred, one));
    dao.add(new RyaStatement(subj1, pred, two));
    dao.add(new RyaStatement(subj2, pred, one));
    dao.add(new RyaStatement(subj2, pred, two));
    dao.add(new RyaStatement(subj3, pred, one));
    dao.add(new RyaStatement(subj3, pred, two));
    dao.add(new RyaStatement(subj4, pred, one));
    dao.add(new RyaStatement(subj4, pred, two));
    // 1 join
    MergeJoin mergeJoin = new MergeJoin(dao.getQueryEngine());
    CloseableIteration<RyaURI, RyaDAOException> join = mergeJoin.join(null, new CustomEntry<RyaURI, RyaType>(pred, one), new CustomEntry<RyaURI, RyaType>(pred, two));
    Set<RyaURI> uris = new HashSet<RyaURI>();
    while (join.hasNext()) {
        uris.add(join.next());
    }
    assertTrue(uris.contains(subj1));
    assertTrue(uris.contains(subj2));
    assertTrue(uris.contains(subj3));
    assertTrue(uris.contains(subj4));
    join.close();
}

Example 87 with RyaStatement

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

the class MergeJoinTest method testSimpleMergeJoinMultiWay.

@Test
public void testSimpleMergeJoinMultiWay() throws Exception {
    // add data
    RyaURI pred = new RyaURI(litdupsNS, "pred1");
    RyaType one = new RyaType("1");
    RyaType two = new RyaType("2");
    RyaType three = new RyaType("3");
    RyaType four = new RyaType("4");
    RyaURI subj1 = new RyaURI(litdupsNS, "subj1");
    RyaURI subj2 = new RyaURI(litdupsNS, "subj2");
    RyaURI subj3 = new RyaURI(litdupsNS, "subj3");
    RyaURI subj4 = new RyaURI(litdupsNS, "subj4");
    dao.add(new RyaStatement(subj1, pred, one));
    dao.add(new RyaStatement(subj1, pred, two));
    dao.add(new RyaStatement(subj1, pred, three));
    dao.add(new RyaStatement(subj1, pred, four));
    dao.add(new RyaStatement(subj2, pred, one));
    dao.add(new RyaStatement(subj2, pred, two));
    dao.add(new RyaStatement(subj2, pred, three));
    dao.add(new RyaStatement(subj2, pred, four));
    dao.add(new RyaStatement(subj3, pred, one));
    dao.add(new RyaStatement(subj3, pred, two));
    dao.add(new RyaStatement(subj3, pred, three));
    dao.add(new RyaStatement(subj3, pred, four));
    dao.add(new RyaStatement(subj4, pred, one));
    dao.add(new RyaStatement(subj4, pred, two));
    dao.add(new RyaStatement(subj4, pred, three));
    dao.add(new RyaStatement(subj4, pred, four));
    // 1 join
    MergeJoin mergeJoin = new MergeJoin(dao.getQueryEngine());
    CloseableIteration<RyaURI, RyaDAOException> join = mergeJoin.join(null, new CustomEntry<RyaURI, RyaType>(pred, one), new CustomEntry<RyaURI, RyaType>(pred, two), new CustomEntry<RyaURI, RyaType>(pred, three), new CustomEntry<RyaURI, RyaType>(pred, four));
    Set<RyaURI> uris = new HashSet<RyaURI>();
    while (join.hasNext()) {
        uris.add(join.next());
    }
    assertTrue(uris.contains(subj1));
    assertTrue(uris.contains(subj2));
    assertTrue(uris.contains(subj3));
    assertTrue(uris.contains(subj4));
    join.close();
}

Example 88 with RyaStatement

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

the class MergeJoinTest method testMergeJoinMultiWayNone2.

@Test
public void testMergeJoinMultiWayNone2() throws Exception {
    // add data
    RyaURI pred = new RyaURI(litdupsNS, "pred1");
    RyaType zero = new RyaType("0");
    RyaType one = new RyaType("1");
    RyaType two = new RyaType("2");
    RyaType three = new RyaType("3");
    RyaType four = new RyaType("4");
    RyaURI subj1 = new RyaURI(litdupsNS, "subj1");
    RyaURI subj2 = new RyaURI(litdupsNS, "subj2");
    RyaURI subj3 = new RyaURI(litdupsNS, "subj3");
    RyaURI subj4 = new RyaURI(litdupsNS, "subj4");
    dao.add(new RyaStatement(subj1, pred, one));
    dao.add(new RyaStatement(subj1, pred, four));
    dao.add(new RyaStatement(subj2, pred, zero));
    dao.add(new RyaStatement(subj2, pred, one));
    dao.add(new RyaStatement(subj2, pred, four));
    dao.add(new RyaStatement(subj3, pred, two));
    dao.add(new RyaStatement(subj3, pred, four));
    dao.add(new RyaStatement(subj4, pred, one));
    dao.add(new RyaStatement(subj4, pred, two));
    // 1 join
    MergeJoin mergeJoin = new MergeJoin(dao.getQueryEngine());
    CloseableIteration<RyaURI, RyaDAOException> join = mergeJoin.join(null, new CustomEntry<RyaURI, RyaType>(pred, one), new CustomEntry<RyaURI, RyaType>(pred, two), new CustomEntry<RyaURI, RyaType>(pred, three), new CustomEntry<RyaURI, RyaType>(pred, four));
    assertFalse(join.hasNext());
    join.close();
}

Example 89 with RyaStatement

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

the class StatementPatternEvalTest method simpleQueryWithBindingSetSameContext.

@Test
public void simpleQueryWithBindingSetSameContext() throws MalformedQueryException, QueryEvaluationException, RyaDAOException {
    // query is used to build statement that will be evaluated
    String query = "select ?x ?c where{ graph ?c  {?x <uri:talksTo> <uri:Bob>. }}";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
    RyaStatement statement1 = new RyaStatement(new RyaURI("uri:Joe"), new RyaURI("uri:talksTo"), new RyaType("uri:Bob"), new RyaURI("uri:context1"), "", new StatementMetadata());
    dao.add(statement1);
    RyaStatement statement2 = new RyaStatement(new RyaURI("uri:Doug"), new RyaURI("uri:talksTo"), new RyaType("uri:Bob"), new RyaURI("uri:context2"), "", new StatementMetadata());
    dao.add(statement2);
    RyaStatement statement3 = new RyaStatement(new RyaURI("uri:Eric"), new RyaURI("uri:talksTo"), new RyaType("uri:Bob"), new RyaURI("uri:context3"), "", new StatementMetadata());
    dao.add(statement3);
    QueryBindingSet bsConstraint1 = new QueryBindingSet();
    bsConstraint1.addBinding("c", new URIImpl("uri:context1"));
    QueryBindingSet bsConstraint2 = new QueryBindingSet();
    bsConstraint2.addBinding("c", new URIImpl("uri:context1"));
    CloseableIteration<BindingSet, QueryEvaluationException> iteration = eval.evaluate(spList.get(0), Arrays.asList(bsConstraint1, bsConstraint2));
    List<BindingSet> bsList = new ArrayList<>();
    while (iteration.hasNext()) {
        bsList.add(iteration.next());
    }
    Assert.assertEquals(1, bsList.size());
    QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("x", new URIImpl("uri:Joe"));
    expected.addBinding("c", new URIImpl("uri:context1"));
    Assert.assertEquals(expected, bsList.get(0));
    dao.delete(Arrays.asList(statement1, statement2, statement3).iterator(), conf);
}

Example 90 with RyaStatement

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

the class StatementPatternEvalTest method simpleQueryNoBindingSetConstantContext.

@Test
public void simpleQueryNoBindingSetConstantContext() throws MalformedQueryException, QueryEvaluationException, RyaDAOException {
    // query is used to build statement that will be evaluated
    String query = "select ?x ?c where{ graph <uri:context1>  {?x <uri:talksTo> <uri:Bob>. }}";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
    RyaStatement statement1 = new RyaStatement(new RyaURI("uri:Joe"), new RyaURI("uri:talksTo"), new RyaType("uri:Bob"), new RyaURI("uri:context1"), "", new StatementMetadata());
    dao.add(statement1);
    RyaStatement statement2 = new RyaStatement(new RyaURI("uri:Doug"), new RyaURI("uri:talksTo"), new RyaType("uri:Bob"), new RyaURI("uri:context2"), "", new StatementMetadata());
    dao.add(statement2);
    RyaStatement statement3 = new RyaStatement(new RyaURI("uri:Eric"), new RyaURI("uri:talksTo"), new RyaType("uri:Bob"), new RyaURI("uri:context3"), "", new StatementMetadata());
    dao.add(statement3);
    QueryBindingSet bsConstraint1 = new QueryBindingSet();
    CloseableIteration<BindingSet, QueryEvaluationException> iteration = eval.evaluate(spList.get(0), Arrays.asList(bsConstraint1));
    List<BindingSet> bsList = new ArrayList<>();
    while (iteration.hasNext()) {
        bsList.add(iteration.next());
    }
    Assert.assertEquals(1, bsList.size());
    QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("x", new URIImpl("uri:Joe"));
    Assert.assertEquals(expected, bsList.get(0));
    dao.delete(Arrays.asList(statement1, statement2, statement3).iterator(), conf);
}