Examples with IgnitePredicate org.apache.ignite.lang.IgnitePredicate used on opensource projects

Example 81 with IgnitePredicate

use of org.apache.ignite.lang.IgnitePredicate in project ignite by apache.

the class IgniteCacheAbstractQuerySelfTest method checkSqlQueryEvents.

/**
 * @throws Exception If failed.
 */
private void checkSqlQueryEvents() throws Exception {
    final IgniteCache<Integer, Integer> cache = jcache(Integer.class, Integer.class);
    final boolean evtsDisabled = cache.getConfiguration(CacheConfiguration.class).isEventsDisabled();
    final CountDownLatch execLatch = new CountDownLatch(evtsDisabled ? 0 : cacheMode() == REPLICATED ? 1 : gridCount());
    IgnitePredicate[] lsnrs = new IgnitePredicate[gridCount()];
    for (int i = 0; i < gridCount(); i++) {
        IgnitePredicate<Event> pred = new IgnitePredicate<Event>() {

            @Override
            public boolean apply(Event evt) {
                assert evt instanceof CacheQueryExecutedEvent;
                if (evtsDisabled)
                    fail("Cache events are disabled");
                CacheQueryExecutedEvent qe = (CacheQueryExecutedEvent) evt;
                assertEquals(cache.getName(), qe.cacheName());
                assertNotNull(qe.clause());
                assertNull(qe.scanQueryFilter());
                assertNull(qe.continuousQueryFilter());
                assertArrayEquals(new Integer[] { 10 }, qe.arguments());
                execLatch.countDown();
                return true;
            }
        };
        grid(i).events().localListen(pred, EVT_CACHE_QUERY_EXECUTED);
        lsnrs[i] = pred;
    }
    try {
        for (int i = 0; i < 20; i++) cache.put(i, i);
        QueryCursor<Cache.Entry<Integer, Integer>> q = cache.query(new SqlQuery<Integer, Integer>(Integer.class, "_key >= ?").setArgs(10));
        q.getAll();
        assert execLatch.await(1000, MILLISECONDS);
    } finally {
        for (int i = 0; i < gridCount(); i++) grid(i).events().stopLocalListen(lsnrs[i], EVT_CACHE_QUERY_EXECUTED);
    }
}