Examples with FunctionCall org.openrdf.query.algebra.FunctionCall used on opensource projects

Example 6 with FunctionCall

use of org.openrdf.query.algebra.FunctionCall in project incubator-rya by apache.

the class PeriodicQueryUtilTest method periodicNodeFractionalDurationTest.

@Test
public void periodicNodeFractionalDurationTest() throws Exception {
    List<ValueExpr> values = Arrays.asList(new Var("time"), new ValueConstant(vf.createLiteral(1)), new ValueConstant(vf.createLiteral(.5)), new ValueConstant(vf.createURI(PeriodicQueryUtil.temporalNameSpace + "hours")));
    FunctionCall func = new FunctionCall(PeriodicQueryUtil.PeriodicQueryURI, values);
    Optional<PeriodicQueryNode> node1 = PeriodicQueryUtil.getPeriodicQueryNode(func, new Join());
    Assert.assertEquals(true, node1.isPresent());
    double window = 1 * 60 * 60 * 1000;
    double period = .5 * 3600 * 1000;
    PeriodicQueryNode node2 = new PeriodicQueryNode((long) window, (long) period, TimeUnit.MILLISECONDS, "time", new Join());
    Assert.assertEquals(true, periodicNodesEqualIgnoreArg(node1.get(), node2));
}

Example 7 with FunctionCall

use of org.openrdf.query.algebra.FunctionCall in project incubator-rya by apache.

the class PeriodicQueryUtilTest method periodicNodePresentTest.

@Test
public void periodicNodePresentTest() throws Exception {
    List<ValueExpr> values = Arrays.asList(new Var("time"), new ValueConstant(vf.createLiteral(12.0)), new ValueConstant(vf.createLiteral(6.0)), new ValueConstant(vf.createURI(PeriodicQueryUtil.temporalNameSpace + "hours")));
    FunctionCall func = new FunctionCall(PeriodicQueryUtil.PeriodicQueryURI, values);
    Optional<PeriodicQueryNode> node1 = PeriodicQueryUtil.getPeriodicQueryNode(func, new Join());
    Assert.assertEquals(true, node1.isPresent());
    PeriodicQueryNode node2 = new PeriodicQueryNode(12 * 60 * 60 * 1000L, 6 * 3600 * 1000L, TimeUnit.MILLISECONDS, "time", new Join());
    Assert.assertEquals(true, periodicNodesEqualIgnoreArg(node1.get(), node2));
}

Example 8 with FunctionCall

use of org.openrdf.query.algebra.FunctionCall in project incubator-rya by apache.

the class GeoTemporalIndexSetProvider method discoverPatterns.

private void discoverPatterns(final StatementPattern pattern, final List<QueryModelNode> unmatched) {
    final Var subj = pattern.getSubjectVar();
    final Var objVar = pattern.getObjectVar();
    patternMap.put(subj, pattern);
    objectPatterns.put(objVar, pattern);
    // check for existing filters.
    if (unmatchedFilters.containsKey(objVar)) {
        final Collection<FunctionCall> calls = unmatchedFilters.removeAll(objVar);
        for (final FunctionCall call : calls) {
            addFilter(call);
            matchedFilters.put(objVar, call);
        }
    }
}

Example 9 with FunctionCall

use of org.openrdf.query.algebra.FunctionCall in project incubator-rya by apache.

the class GeoTemporalIndexSetProvider method getGeoTemporalNode.

private EventQueryNode getGeoTemporalNode(final Var subj) {
    final Collection<StatementPattern> patterns = patternMap.get(subj);
    final Collection<FunctionCall> usedFilters = new ArrayList<>();
    Optional<StatementPattern> geoPattern = Optional.empty();
    Optional<StatementPattern> temporalPattern = Optional.empty();
    Optional<Collection<IndexingExpr>> geoFilters = Optional.empty();
    Optional<Collection<IndexingExpr>> temporalFilters = Optional.empty();
    // should only be 2 patterns.
    for (final StatementPattern sp : patterns) {
        final Var obj = sp.getObjectVar();
        if (filterMap.containsKey(obj)) {
            final Collection<IndexingExpr> filters = filterMap.get(obj);
            final IndexingFunctionRegistry.FUNCTION_TYPE type = ensureSameType(filters);
            if (type != null && type == FUNCTION_TYPE.GEO) {
                geoPattern = Optional.of(sp);
                geoFilters = Optional.of(filters);
                usedFilters.addAll(matchedFilters.get(obj));
            } else if (type != null && type == FUNCTION_TYPE.TEMPORAL) {
                temporalPattern = Optional.of(sp);
                temporalFilters = Optional.of(filters);
                usedFilters.addAll(matchedFilters.get(obj));
            } else {
                return null;
            }
        } else {
            return null;
        }
    }
    if (geoFilters.isPresent() && temporalFilters.isPresent() && geoPattern.isPresent() && temporalPattern.isPresent()) {
        return new EventQueryNodeBuilder().setStorage(eventStorage).setGeoPattern(geoPattern.get()).setTemporalPattern(temporalPattern.get()).setGeoFilters(geoFilters.get()).setTemporalFilters(temporalFilters.get()).setUsedFilters(usedFilters).build();
    } else {
        return null;
    }
}

Example 10 with FunctionCall

use of org.openrdf.query.algebra.FunctionCall in project incubator-rya by apache.

the class EventQueryNode2IT method buildNode.

private EventQueryNode buildNode(final EventStorage store, final String query) throws Exception {
    final List<IndexingExpr> geoFilters = new ArrayList<>();
    final List<IndexingExpr> temporalFilters = new ArrayList<>();
    final List<StatementPattern> sps = getSps(query);
    final List<FunctionCall> filters = getFilters(query);
    for (final FunctionCall filter : filters) {
        final URI filterURI = new URIImpl(filter.getURI());
        final Var objVar = IndexingFunctionRegistry.getResultVarFromFunctionCall(filterURI, filter.getArgs());
        final IndexingExpr expr = new IndexingExpr(filterURI, sps.get(0), extractArguments(objVar.getName(), filter));
        if (IndexingFunctionRegistry.getFunctionType(filterURI) == FUNCTION_TYPE.GEO) {
            geoFilters.add(expr);
        } else {
            temporalFilters.add(expr);
        }
    }
    final StatementPattern geoPattern = sps.get(1);
    final StatementPattern temporalPattern = sps.get(0);
    return new EventQueryNode.EventQueryNodeBuilder().setStorage(store).setGeoPattern(geoPattern).setTemporalPattern(temporalPattern).setGeoFilters(geoFilters).setTemporalFilters(temporalFilters).setUsedFilters(filters).build();
}