Examples with RyaDAOException org.apache.rya.api.persist.RyaDAOException used on opensource projects

Example 81 with RyaDAOException

use of org.apache.rya.api.persist.RyaDAOException in project incubator-rya by apache.

the class RowRuleMapper method copyStatement.

/**
 * Add a statement to an in-memory Accumulo instance, serialized as spo/pos/osp and any applicable secondary
 * indexes, and flush the in-memory rows through to the output if enough statements have been cached.
 * @param rstmt RyaStatement to copy to the child
 * @param context Context to use for writing
 * @throws InterruptedException if Hadoop is interrupted while writing output.
 * @throws IOException if an error is encountered serializing and storing the statement in memory, or
 *      if Hadoop reports an error writing the in-memory tables to the output.
 */
@Override
protected void copyStatement(final RyaStatement rstmt, final Context context) throws IOException, InterruptedException {
    try {
        childDao.add(rstmt);
        cachedStatements++;
    } catch (final RyaDAOException e) {
        throw new IOException("Error serializing RyaStatement", e);
    }
    if (cachedStatements >= maxStatements) {
        flush(context);
    }
}

Example 82 with RyaDAOException

use of org.apache.rya.api.persist.RyaDAOException in project incubator-rya by apache.

the class StatementMetadataNode method evaluate.

/**
 * This method pairs each {@link BindingSet} in the specified collection
 * with the StatementPattern constraints and issues a query to Rya using the
 * {@link RyaQueryEngine}.
 */
@Override
public CloseableIteration<BindingSet, QueryEvaluationException> evaluate(Collection<BindingSet> bindingset) throws QueryEvaluationException {
    if (bindingset.size() == 0) {
        return new EmptyIteration<>();
    }
    queryEngine = RyaQueryEngineFactory.getQueryEngine(conf);
    Set<Map.Entry<RyaStatement, BindingSet>> statements = new HashSet<>();
    Iterator<BindingSet> iter = bindingset.iterator();
    while (iter.hasNext()) {
        BindingSet bs = iter.next();
        statements.add(new RdfCloudTripleStoreUtils.CustomEntry<RyaStatement, BindingSet>(getRyaStatementFromBindings(bs), bs));
    }
    final CloseableIteration<? extends Entry<RyaStatement, BindingSet>, RyaDAOException> iteration;
    try {
        iteration = queryEngine.queryWithBindingSet(statements, conf);
    } catch (RyaDAOException e) {
        throw new RuntimeException(e);
    }
    return new PropertyFilterAndBindingSetJoinIteration(iteration, properties, statement);
}

Example 83 with RyaDAOException

use of org.apache.rya.api.persist.RyaDAOException in project incubator-rya by apache.

the class IterativeJoinTest method testSimpleIterativeJoinMultiWay.

@Test
public void testSimpleIterativeJoinMultiWay() 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
    IterativeJoin iterativeJoin = new IterativeJoin(dao.getQueryEngine());
    CloseableIteration<RyaURI, RyaDAOException> join = iterativeJoin.join(null, new RdfCloudTripleStoreUtils.CustomEntry<RyaURI, RyaType>(pred, one), new RdfCloudTripleStoreUtils.CustomEntry<RyaURI, RyaType>(pred, two), new RdfCloudTripleStoreUtils.CustomEntry<RyaURI, RyaType>(pred, three), new RdfCloudTripleStoreUtils.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 84 with RyaDAOException

use of org.apache.rya.api.persist.RyaDAOException in project incubator-rya by apache.

the class IterativeJoinTest method testSimpleIterativeJoinPredicateOnly.

@Test
public void testSimpleIterativeJoinPredicateOnly() throws Exception {
    // add data
    RyaURI pred1 = new RyaURI(litdupsNS, "pred1");
    RyaURI pred2 = new RyaURI(litdupsNS, "pred2");
    RyaType one = new RyaType("1");
    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, pred1, one));
    dao.add(new RyaStatement(subj1, pred2, one));
    dao.add(new RyaStatement(subj2, pred1, one));
    dao.add(new RyaStatement(subj2, pred2, one));
    dao.add(new RyaStatement(subj3, pred1, one));
    dao.add(new RyaStatement(subj3, pred2, one));
    dao.add(new RyaStatement(subj4, pred1, one));
    dao.add(new RyaStatement(subj4, pred2, one));
    // 1 join
    IterativeJoin ijoin = new IterativeJoin(dao.getQueryEngine());
    CloseableIteration<RyaStatement, RyaDAOException> join = ijoin.join(null, pred1, pred2);
    int count = 0;
    while (join.hasNext()) {
        RyaStatement next = join.next();
        count++;
    }
    assertEquals(4, count);
    join.close();
}

Example 85 with RyaDAOException

use of org.apache.rya.api.persist.RyaDAOException in project incubator-rya by apache.

the class IterativeJoinTest method testIterativeJoinMultiWayNone.

@Test
public void testIterativeJoinMultiWayNone() 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, three));
    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));
    dao.add(new RyaStatement(subj4, pred, three));
    // 1 join
    IterativeJoin iterativeJoin = new IterativeJoin(dao.getQueryEngine());
    CloseableIteration<RyaURI, RyaDAOException> join = iterativeJoin.join(null, new RdfCloudTripleStoreUtils.CustomEntry<RyaURI, RyaType>(pred, one), new RdfCloudTripleStoreUtils.CustomEntry<RyaURI, RyaType>(pred, two), new RdfCloudTripleStoreUtils.CustomEntry<RyaURI, RyaType>(pred, three), new RdfCloudTripleStoreUtils.CustomEntry<RyaURI, RyaType>(pred, four));
    assertFalse(join.hasNext());
    join.close();
}