Java Code Examples for org.eclipse.rdf4j.query.MalformedQueryException#printStackTrace()

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Example 1

Source File: AccumuloDocIdIndexer.java From rya with Apache License 2.0

6 votes

public CloseableIteration<BindingSet, QueryEvaluationException> queryDocIndex(final String sparqlQuery,
        final Collection<BindingSet> constraints) throws TableNotFoundException, QueryEvaluationException {

    final SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq1 = null;
    try {
        pq1 = parser.parseQuery(sparqlQuery, null);
    } catch (final MalformedQueryException e) {
        e.printStackTrace();
        throw new QueryEvaluationException("Malformed query. query=" + sparqlQuery, e);
    }

    final TupleExpr te1 = pq1.getTupleExpr();
    final List<StatementPattern> spList1 = StatementPatternCollector.process(te1);

    if(StarQuery.isValidStarQuery(spList1)) {
        final StarQuery sq1 = new StarQuery(spList1);
        return queryDocIndex(sq1, constraints);
    } else {
        throw new IllegalArgumentException("Invalid star query!");
    }

}

Example 2

Source File: TupleExecutionPlanGeneratorTest.java From rya with Apache License 2.0

5 votes

@Test
public void testTwoNodeOrder() {

    SPARQLParser parser = new SPARQLParser();

    ParsedQuery pq1 = null;
    ParsedQuery pq2 = null;

    try {
        pq1 = parser.parseQuery(q7, null);
        pq2 = parser.parseQuery(q8, null);
    } catch (MalformedQueryException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    Set<TupleExpr> tupSet = Sets.newHashSet();
    tupSet.add(pq1.getTupleExpr());

    TupleExecutionPlanGenerator tep = new TupleExecutionPlanGenerator();
    Iterator<TupleExpr> processedTups = tep.getPlans(tupSet.iterator());

    List<TupleExpr> processedTupList = Lists.newArrayList();

    int size = 0;

    while(processedTups.hasNext()) {
        Assert.assertTrue(processedTups.hasNext());
        processedTupList.add(processedTups.next());
        size++;
    }

    Assert.assertEquals(2, size);

    Assert.assertEquals(pq1.getTupleExpr(), processedTupList.get(0));
    Assert.assertEquals(pq2.getTupleExpr(), processedTupList.get(1));

}

Example 3

Source File: TupleExecutionPlanGeneratorTest.java From rya with Apache License 2.0

4 votes

@Test
public void testThreeNodeOrder() {

    SPARQLParser parser = new SPARQLParser();

    ParsedQuery pq1 = null;
    ParsedQuery pq2 = null;
    ParsedQuery pq3 = null;
    ParsedQuery pq4 = null;
    ParsedQuery pq5 = null;
    ParsedQuery pq6 = null;

    try {
        pq1 = parser.parseQuery(q1, null);
        pq2 = parser.parseQuery(q2, null);
        pq3 = parser.parseQuery(q3, null);
        pq4 = parser.parseQuery(q4, null);
        pq5 = parser.parseQuery(q5, null);
        pq6 = parser.parseQuery(q6, null);
    } catch (MalformedQueryException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    Set<TupleExpr> tupSet = Sets.newHashSet();
    tupSet.add(pq1.getTupleExpr());

    TupleExecutionPlanGenerator tep = new TupleExecutionPlanGenerator();
    Iterator<TupleExpr> processedTups= tep.getPlans(tupSet.iterator());

    List<TupleExpr> processedTupList = Lists.newArrayList();

    int size = 0;

    while(processedTups.hasNext()) {
        Assert.assertTrue(processedTups.hasNext());
        processedTupList.add(processedTups.next());
        size++;
    }

    Assert.assertTrue(!processedTups.hasNext());
    Assert.assertEquals(6, size);

    Assert.assertEquals(pq1.getTupleExpr(), processedTupList.get(1));
    Assert.assertEquals(pq2.getTupleExpr(), processedTupList.get(2));
    Assert.assertEquals(pq3.getTupleExpr(), processedTupList.get(4));
    Assert.assertEquals(pq4.getTupleExpr(), processedTupList.get(0));
    Assert.assertEquals(pq5.getTupleExpr(), processedTupList.get(3));
    Assert.assertEquals(pq6.getTupleExpr(), processedTupList.get(5));

}

Example 4

Source File: TupleExecutionPlanGeneratorTest.java From rya with Apache License 2.0

4 votes

@Test
public void testThreeNodeOrderFilter() {

    SPARQLParser parser = new SPARQLParser();

    ParsedQuery pq1 = null;
    ParsedQuery pq2 = null;
    ParsedQuery pq3 = null;
    ParsedQuery pq4 = null;
    ParsedQuery pq5 = null;
    ParsedQuery pq6 = null;
    ParsedQuery pq7 = null;

    try {
        pq1 = parser.parseQuery(q9, null);
        pq2 = parser.parseQuery(q10, null);
        pq3 = parser.parseQuery(q11, null);
        pq4 = parser.parseQuery(q12, null);
        pq5 = parser.parseQuery(q13, null);
        pq6 = parser.parseQuery(q14, null);
        pq7 = parser.parseQuery(q15, null);
    } catch (MalformedQueryException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    System.out.println(pq1.getTupleExpr());

    Set<TupleExpr> tupSet = Sets.newHashSet();
    tupSet.add(pq7.getTupleExpr());

    TupleExecutionPlanGenerator tep = new TupleExecutionPlanGenerator();
    Iterator<TupleExpr> processedTups= tep.getPlans(tupSet.iterator());

    List<TupleExpr> processedTupList = Lists.newArrayList();

    int size = 0;

    while(processedTups.hasNext()) {

        Assert.assertTrue(processedTups.hasNext());
        TupleExpr te = processedTups.next();
        processedTupList.add(te);
        System.out.println("Processed tups are " + te);
        size++;
    }

    Assert.assertTrue(!processedTups.hasNext());
    Assert.assertEquals(6, size);

    Assert.assertEquals(pq1.getTupleExpr(), processedTupList.get(1));
    Assert.assertEquals(pq2.getTupleExpr(), processedTupList.get(2));
    Assert.assertEquals(pq3.getTupleExpr(), processedTupList.get(4));
    Assert.assertEquals(pq4.getTupleExpr(), processedTupList.get(0));
    Assert.assertEquals(pq5.getTupleExpr(), processedTupList.get(3));
    Assert.assertEquals(pq6.getTupleExpr(), processedTupList.get(5));

}

Example 5

Source File: ValidIndexCombinationGeneratorTest.java From rya with Apache License 2.0

4 votes

@Test
public void singleIndex() {
	String q1 = ""//
			+ "SELECT ?f ?m ?d " //
			+ "{" //
			+ "  ?f a ?m ."//
			+ "  ?m <http://www.w3.org/2000/01/rdf-schema#label> ?d ."//
			+ "  ?d <uri:talksTo> ?f . "//
			+ "  ?f <uri:hangOutWith> ?m ." //
			+ "  ?m <uri:hangOutWith> ?d ." //
			+ "  ?f <uri:associatesWith> ?m ." //
			+ "  ?m <uri:associatesWith> ?d ." //
			+ "}";//

	SPARQLParser parser = new SPARQLParser();
	ParsedQuery pq1 = null;
	SimpleExternalTupleSet extTup1 = null;

	try {
		pq1 = parser.parseQuery(q1, null);
		extTup1 = new SimpleExternalTupleSet(
				(Projection) pq1.getTupleExpr());

	} catch (MalformedQueryException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	List<ExternalTupleSet> indexList = Lists.newArrayList();
	indexList.add(extTup1);
	ValidIndexCombinationGenerator vic = new ValidIndexCombinationGenerator(
			pq1.getTupleExpr());
	Iterator<List<ExternalTupleSet>> combos = vic
			.getValidIndexCombos(indexList);
	int size = 0;
	while (combos.hasNext()) {
		combos.hasNext();
		size++;
		combos.next();
		combos.hasNext();
	}
	Assert.assertTrue(!combos.hasNext());
	Assert.assertEquals(1, size);
}