Examples with GridRandom org.apache.ignite.internal.util.GridRandom used on opensource projects

Example 26 with GridRandom

use of org.apache.ignite.internal.util.GridRandom in project ignite by apache.

the class IgniteCacheSqlQueryMultiThreadedSelfTest method testQueryPut.

/**
     * Test put and parallel query.
     * @throws Exception If failed.
     */
public void testQueryPut() throws Exception {
    final IgniteCache<Integer, Person> cache = grid(0).cache(DEFAULT_CACHE_NAME);
    cache.clear();
    final AtomicBoolean stop = new AtomicBoolean();
    IgniteInternalFuture<?> fut1 = multithreadedAsync(new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            Random rnd = new GridRandom();
            while (!stop.get()) {
                List<List<?>> res = cache.query(new SqlFieldsQuery("select avg(age) from Person where age > 0")).getAll();
                assertEquals(1, res.size());
                if (res.get(0).get(0) == null)
                    continue;
                int avgAge = ((Number) res.get(0).get(0)).intValue();
                if (rnd.nextInt(300) == 0)
                    X.println("__ " + avgAge);
            }
            return null;
        }
    }, 20);
    IgniteInternalFuture<?> fut2 = multithreadedAsync(new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            Random rnd = new GridRandom();
            Random age = new GridRandom();
            while (!stop.get()) cache.put(rnd.nextInt(2000), new Person(age.nextInt(3000) - 1000));
            return null;
        }
    }, 20);
    Thread.sleep(30 * 1000);
    stop.set(true);
    fut2.get(10 * 1000);
    fut1.get(10 * 1000);
}

Example 27 with GridRandom

use of org.apache.ignite.internal.util.GridRandom in project ignite by apache.

the class IgniteCacheClientQueryReplicatedNodeRestartSelfTest method testRestarts.

/**
     * @throws Exception If failed.
     */
public void testRestarts() throws Exception {
    int duration = 90 * 1000;
    int qryThreadNum = 5;
    // 2 of 4 data nodes
    int restartThreadsNum = 2;
    final int nodeLifeTime = 2 * 1000;
    final int logFreq = 10;
    startGridsMultiThreaded(GRID_CNT);
    // The last is client only.
    final AtomicIntegerArray locks = new AtomicIntegerArray(GRID_CNT - 1);
    fillCaches();
    final List<List<?>> pRes = grid(0).cache("pu").query(new SqlFieldsQuery(QRY)).getAll();
    Thread.sleep(3000);
    assertEquals(pRes, grid(0).cache("pu").query(new SqlFieldsQuery(QRY)).getAll());
    assertFalse(pRes.isEmpty());
    final AtomicInteger qryCnt = new AtomicInteger();
    final AtomicBoolean qrysDone = new AtomicBoolean();
    final List<Integer> cacheSize = new ArrayList<>(4);
    for (int i = 0; i < GRID_CNT - 1; i++) {
        int j = 0;
        for (String cacheName : F.asList("co", "pr", "pe", "pu")) {
            IgniteCache<?, ?> cache = grid(i).cache(cacheName);
            assertClient(cache, false);
            if (i == 0)
                cacheSize.add(cache.size());
            else
                assertEquals(cacheSize.get(j++).intValue(), cache.size());
        }
    }
    int j = 0;
    for (String cacheName : F.asList("co", "pr", "pe", "pu")) {
        IgniteCache<?, ?> cache = grid(GRID_CNT - 1).cache(cacheName);
        assertClient(cache, true);
        assertEquals(cacheSize.get(j++).intValue(), cache.size());
    }
    final IgniteCache<?, ?> clientCache = grid(GRID_CNT - 1).cache("pu");
    IgniteInternalFuture<?> fut1 = multithreadedAsync(new CAX() {

        @Override
        public void applyx() throws IgniteCheckedException {
            GridRandom rnd = new GridRandom();
            while (!qrysDone.get()) {
                SqlFieldsQuery qry = new SqlFieldsQuery(QRY);
                boolean smallPageSize = rnd.nextBoolean();
                if (smallPageSize)
                    qry.setPageSize(3);
                List<List<?>> res;
                try {
                    res = clientCache.query(qry).getAll();
                } catch (CacheException e) {
                    assertTrue("On large page size must retry.", smallPageSize);
                    boolean failedOnRemoteFetch = false;
                    for (Throwable th = e; th != null; th = th.getCause()) {
                        if (!(th instanceof CacheException))
                            continue;
                        if (th.getMessage() != null && th.getMessage().startsWith("Failed to fetch data from node:")) {
                            failedOnRemoteFetch = true;
                            break;
                        }
                    }
                    if (!failedOnRemoteFetch) {
                        e.printStackTrace();
                        fail("Must fail inside of GridResultPage.fetchNextPage or subclass.");
                    }
                    res = FAKE;
                }
                if (res != FAKE && !res.equals(pRes)) {
                    int j = 0;
                    // Check for data loss.
                    for (String cacheName : F.asList("co", "pr", "pe", "pu")) {
                        assertEquals(cacheName, cacheSize.get(j++).intValue(), grid(GRID_CNT - 1).cache(cacheName).size());
                    }
                    // Fail with nice message.
                    assertEquals(pRes, res);
                }
                int c = qryCnt.incrementAndGet();
                if (c % logFreq == 0)
                    info("Executed queries: " + c);
            }
        }
    }, qryThreadNum, "query-thread");
    final AtomicInteger restartCnt = new AtomicInteger();
    final AtomicBoolean restartsDone = new AtomicBoolean();
    IgniteInternalFuture<?> fut2 = multithreadedAsync(new Callable<Object>() {

        @SuppressWarnings({ "BusyWait" })
        @Override
        public Object call() throws Exception {
            GridRandom rnd = new GridRandom();
            while (!restartsDone.get()) {
                int g;
                do {
                    g = rnd.nextInt(locks.length());
                } while (!locks.compareAndSet(g, 0, -1));
                log.info("Stop node: " + g);
                stopGrid(g);
                Thread.sleep(rnd.nextInt(nodeLifeTime));
                log.info("Start node: " + g);
                startGrid(g);
                Thread.sleep(rnd.nextInt(nodeLifeTime));
                locks.set(g, 0);
                int c = restartCnt.incrementAndGet();
                if (c % logFreq == 0)
                    info("Node restarts: " + c);
            }
            return true;
        }
    }, restartThreadsNum, "restart-thread");
    Thread.sleep(duration);
    info("Stopping..");
    restartsDone.set(true);
    fut2.get();
    info("Restarts stopped.");
    qrysDone.set(true);
    fut1.get();
    info("Queries stopped.");
}

Example 28 with GridRandom

use of org.apache.ignite.internal.util.GridRandom in project ignite by apache.

the class IgniteCacheClientQueryReplicatedNodeRestartSelfTest method fillCaches.

/**
     *
     */
private void fillCaches() {
    IgniteCache<Integer, Company> co = grid(0).cache("co");
    for (int i = 0; i < COMPANY_CNT; i++) co.put(i, new Company(i));
    IgniteCache<Integer, Product> pr = grid(0).cache("pr");
    Random rnd = new GridRandom();
    for (int i = 0; i < PRODUCT_CNT; i++) pr.put(i, new Product(i, rnd.nextInt(COMPANY_CNT)));
    IgniteCache<Integer, Person> pe = grid(0).cache("pe");
    for (int i = 0; i < PERS_CNT; i++) pe.put(i, new Person(i));
    IgniteCache<AffinityKey<Integer>, Purchase> pu = grid(0).cache("pu");
    for (int i = 0; i < PURCHASE_CNT; i++) {
        int persId = rnd.nextInt(PERS_CNT);
        int prodId = rnd.nextInt(PRODUCT_CNT);
        pu.put(new AffinityKey<>(i, persId), new Purchase(persId, prodId));
    }
}

Example 29 with GridRandom

use of org.apache.ignite.internal.util.GridRandom in project ignite by apache.

the class IgniteDbPutGetAbstractTest method testPutGetRandomNonUniqueMultipleObjects.

/**
     * @throws Exception if failed.
     */
public void testPutGetRandomNonUniqueMultipleObjects() throws Exception {
    IgniteEx ig = grid(0);
    final IgniteCache<Integer, DbValue> cache = ig.cache(DEFAULT_CACHE_NAME);
    GridCacheAdapter<Object, Object> internalCache = ig.context().cache().internalCache(DEFAULT_CACHE_NAME);
    int cnt = 100_000;
    Random rnd = new GridRandom();
    Map<Integer, DbValue> map = new HashMap<>();
    X.println("Put start");
    for (int a = 0; a < cnt; a++) {
        int i = rnd.nextInt();
        int k = rnd.nextInt(cnt);
        DbValue v0 = new DbValue(k, "test-value", i);
        //            if (a % 100 == 0)
        //                X.println(" --> " + k + " = " + i);
        map.put(k, v0);
        cache.put(k, v0);
        checkEmpty(internalCache, k);
        assertEquals(v0, cache.get(k));
    //            for (Map.Entry<Integer,DbValue> entry : map.entrySet())
    //                assertEquals(entry.getValue(), cache.get(entry.getKey()));
    }
    X.println("Get start: " + map.size());
    for (int i : map.keySet()) {
        checkEmpty(internalCache, i);
        //            X.println(" <-- " + i);
        assertEquals(map.get(i), cache.get(i));
    }
}

Example 30 with GridRandom

use of org.apache.ignite.internal.util.GridRandom in project ignite by apache.

the class IgniteDbPutGetAbstractTest method testRandomRemove.

/**
     *
     */
public void testRandomRemove() {
    IgniteEx ig = grid(0);
    IgniteCache<Integer, DbValue> cache = ig.cache(DEFAULT_CACHE_NAME);
    final int cnt = 50_000;
    long seed = System.nanoTime();
    X.println("Seed: " + seed);
    Random rnd = new GridRandom(seed);
    int[] keys = generateUniqueRandomKeys(cnt, rnd);
    X.println("Put start");
    for (int i : keys) {
        DbValue v0 = new DbValue(i, "test-value", i);
        //            if (i % 1000 == 0)
        //                X.println(" --> " + i);
        cache.put(i, v0);
        assertEquals(v0, cache.get(i));
    }
    keys = generateUniqueRandomKeys(cnt, rnd);
    X.println("Rmv start");
    for (int i : keys) {
        //            X.println(" --> " + i);
        assertTrue(cache.remove(i));
    }
}