Examples with Query javax.jcr.query.Query used on opensource projects

Example 21 with Query

use of javax.jcr.query.Query in project jackrabbit-oak by apache.

the class DescendantSearchTest method runTest.

@Override
public void runTest() throws Exception {
    QueryManager manager = session.getWorkspace().getQueryManager();
    for (int i = 0; i < NODE_COUNT; i++) {
        Query query = createQuery(manager, i);
        NodeIterator iterator = query.execute().getNodes();
        while (iterator.hasNext()) {
            Node node = iterator.nextNode();
            if (node.getProperty("testcount").getLong() != i) {
                throw new Exception("Invalid test result: " + node.getPath());
            }
        }
    }
}

Example 22 with Query

use of javax.jcr.query.Query in project jackrabbit by apache.

the class XPathQueryEvaluator method eval.

public Iterator<Authorizable> eval() throws RepositoryException {
    xPath.append("//element(*,").append(getNtName(builder.getSelector())).append(')');
    Value bound = builder.getBound();
    long offset = builder.getOffset();
    if (bound != null && offset > 0) {
        log.warn("Found bound {} and offset {} in limit. Discarding offset.", bound, offset);
        offset = 0;
    }
    Condition condition = builder.getCondition();
    String sortCol = builder.getSortProperty();
    Direction sortDir = builder.getSortDirection();
    if (bound != null) {
        if (sortCol == null) {
            log.warn("Ignoring bound {} since no sort order is specified");
        } else {
            Condition boundCondition = builder.property(sortCol, getCollation(sortDir), bound);
            condition = condition == null ? boundCondition : builder.and(condition, boundCondition);
        }
    }
    if (condition != null) {
        xPath.append('[');
        condition.accept(this);
        xPath.append(']');
    }
    if (sortCol != null) {
        boolean ignoreCase = builder.getSortIgnoreCase();
        xPath.append(" order by ").append(ignoreCase ? "" : "fn:lower-case(").append(sortCol).append(ignoreCase ? " " : ") ").append(sortDir.getDirection());
    }
    QueryManager queryManager = session.getWorkspace().getQueryManager();
    Query query = queryManager.createQuery(xPath.toString(), Query.XPATH);
    long maxCount = builder.getMaxCount();
    if (maxCount == 0) {
        return Iterators.empty();
    }
    // here (inefficient!) otherwise we can apply the limit in the query
    if (builder.getGroupName() == null) {
        if (offset > 0) {
            query.setOffset(offset);
        }
        if (maxCount > 0) {
            query.setLimit(maxCount);
        }
        return toAuthorizables(execute(query));
    } else {
        Iterator<Authorizable> result = toAuthorizables(execute(query));
        Iterator<Authorizable> filtered = filter(result, builder.getGroupName(), builder.isDeclaredMembersOnly());
        return BoundedIterator.create(offset, maxCount, filtered);
    }
}

Example 23 with Query

use of javax.jcr.query.Query in project jackrabbit by apache.

the class ConcurrentQueriesWithUpdatesTest method testQueriesWithUpdates.

public void testQueriesWithUpdates() throws Exception {
    final List<Exception> exceptions = Collections.synchronizedList(new ArrayList<Exception>());
    final AtomicBoolean running = new AtomicBoolean(true);
    // track executed queries and do updates at most at the given rate
    final BlockingQueue<Object> queryExecuted = new LinkedBlockingQueue<Object>();
    Thread queries = new Thread(new Runnable() {

        public void run() {
            try {
                runTask(new Task() {

                    public void execute(Session session, Node test) throws RepositoryException {
                        QueryManager qm = session.getWorkspace().getQueryManager();
                        while (running.get()) {
                            Query q = qm.createQuery(testPath + "//element(*, nt:unstructured) order by @jcr:score descending", Query.XPATH);
                            NodeIterator nodes = q.execute().getNodes();
                            assertEquals("wrong result set size", numNodes, nodes.getSize());
                            queryExecuted.offer(new Object());
                        }
                    }
                }, 5, testRootNode.getPath());
            } catch (RepositoryException e) {
                exceptions.add(e);
            }
        }
    });
    queries.start();
    Thread update = new Thread(new Runnable() {

        public void run() {
            try {
                runTask(new Task() {

                    public void execute(Session session, Node test) throws RepositoryException {
                        Random rand = new Random();
                        QueryManager qm = session.getWorkspace().getQueryManager();
                        for (int i = 0; i < NUM_UPDATES; i++) {
                            try {
                                // wait at most 10 seconds
                                queryExecuted.poll(10, TimeUnit.SECONDS);
                            } catch (InterruptedException e) {
                            // ignore
                            }
                            Query q = qm.createQuery(testPath + "//node" + rand.nextInt(numNodes) + " order by @jcr:score descending", Query.XPATH);
                            NodeIterator nodes = q.execute().getNodes();
                            if (nodes.hasNext()) {
                                Node n = nodes.nextNode();
                                n.setProperty("foo", "bar");
                                session.save();
                            }
                        }
                    }
                }, 1, testRootNode.getPath());
            } catch (RepositoryException e) {
                exceptions.add(e);
            }
        }
    });
    update.start();
    update.join();
    running.set(false);
    queries.join();
}

Example 24 with Query

use of javax.jcr.query.Query in project jackrabbit by apache.

the class XPathJcrPathTest method testJcrPath.

/**
     * Verify that the jcr:path is present in the query result.
     */
public void testJcrPath() throws RepositoryException, NotExecutableException {
    String nodeTypeName = session.getRootNode().getPrimaryNodeType().getName();
    String queryStatement = "//element(*, " + nodeTypeName + ")";
    // execute the search query
    Query query = session.getWorkspace().getQueryManager().createQuery(queryStatement, qsXPATH);
    QueryResult result = query.execute();
    assertTrue("jcr:path must be present in query result row", Arrays.asList(result.getColumnNames()).contains(jcrPath));
}

Example 25 with Query

use of javax.jcr.query.Query in project jackrabbit by apache.

the class FullTextSearchScoreTest method testOrdering.

public void testOrdering() throws RepositoryException {
    QueryObjectModel qom = qf.createQuery(qf.selector(testNodeType, "s"), qf.and(qf.fullTextSearch("s", null, qf.literal(vf.createValue("fox"))), qf.descendantNode("s", testRootNode.getPath())), new Ordering[] { qf.ascending(qf.fullTextSearchScore("s")) }, null);
    forQOMandSQL2(qom, new Callable() {

        public Object call(Query query) throws RepositoryException {
            RowIterator rows = query.execute().getRows();
            double previousScore = Double.NaN;
            while (rows.hasNext()) {
                double score = rows.nextRow().getScore("s");
                if (!Double.isNaN(previousScore)) {
                    assertTrue("wrong order", previousScore <= score);
                }
                previousScore = score;
            }
            return null;
        }
    });
}