Examples with IgniteAtomicReference org.apache.ignite.IgniteAtomicReference used on opensource projects

Example 1 with IgniteAtomicReference

use of org.apache.ignite.IgniteAtomicReference in project ignite by apache.

the class GridCacheAtomicReferenceMultiNodeAbstractTest method testAtomicReference.

/**
     * JUnit.
     *
     * @throws Exception If failed.
     */
public void testAtomicReference() throws Exception {
    // Get random name of reference.
    final String refName = UUID.randomUUID().toString();
    // Get random value of atomic reference.
    final String val = UUID.randomUUID().toString();
    // Get random new value of atomic reference.
    final String newVal = UUID.randomUUID().toString();
    // Initialize atomicReference in cache.
    IgniteAtomicReference<String> ref = grid(0).atomicReference(refName, val, true);
    final Ignite ignite = grid(0);
    // Execute task on all grid nodes.
    ignite.compute().call(new IgniteCallable<Object>() {

        @Override
        public String call() {
            IgniteAtomicReference<String> ref = ignite.atomicReference(refName, val, true);
            assertEquals(val, ref.get());
            return ref.get();
        }
    });
    ref.compareAndSet("WRONG EXPECTED VALUE", newVal);
    // Execute task on all grid nodes.
    ignite.compute().call(new IgniteCallable<String>() {

        @Override
        public String call() {
            IgniteAtomicReference<String> ref = ignite.atomicReference(refName, val, true);
            assertEquals(val, ref.get());
            return ref.get();
        }
    });
    ref.compareAndSet(val, newVal);
    // Execute task on all grid nodes.
    ignite.compute().call(new IgniteCallable<String>() {

        @Override
        public String call() {
            IgniteAtomicReference<String> ref = ignite.atomicReference(refName, val, true);
            assertEquals(newVal, ref.get());
            return ref.get();
        }
    });
}

Example 2 with IgniteAtomicReference

use of org.apache.ignite.IgniteAtomicReference in project ignite by apache.

the class IgniteDataStructureUniqueNameTest method testUniqueName.

/**
     * @param singleGrid If {@code true} uses single grid.
     * @throws Exception If failed.
     */
private void testUniqueName(final boolean singleGrid) throws Exception {
    final String name = IgniteUuid.randomUuid().toString();
    final int DS_TYPES = 9;
    final int THREADS = DS_TYPES * 3;
    for (int iter = 0; iter < 20; iter++) {
        log.info("Iteration: " + iter);
        List<IgniteInternalFuture<Object>> futs = new ArrayList<>(THREADS);
        final CyclicBarrier barrier = new CyclicBarrier(THREADS);
        for (int i = 0; i < THREADS; i++) {
            final int idx = i;
            IgniteInternalFuture<Object> fut = GridTestUtils.runAsync(new Callable<Object>() {

                @Override
                public Object call() throws Exception {
                    try {
                        Thread.currentThread().setName("test thread-" + idx);
                        barrier.await();
                        Ignite ignite = singleGrid ? ignite(0) : ignite(idx % gridCount());
                        Object res;
                        switch(idx % DS_TYPES) {
                            case 0:
                                log.info("Create atomic long, grid: " + ignite.name());
                                res = ignite.atomicLong(name, 0, true);
                                break;
                            case 1:
                                log.info("Create atomic sequence, grid: " + ignite.name());
                                res = ignite.atomicSequence(name, 0, true);
                                break;
                            case 2:
                                log.info("Create atomic stamped, grid: " + ignite.name());
                                res = ignite.atomicStamped(name, 0, true, true);
                                break;
                            case 3:
                                log.info("Create atomic latch, grid: " + ignite.name());
                                res = ignite.countDownLatch(name, 0, true, true);
                                break;
                            case 4:
                                log.info("Create atomic reference, grid: " + ignite.name());
                                res = ignite.atomicReference(name, null, true);
                                break;
                            case 5:
                                log.info("Create queue, grid: " + ignite.name());
                                res = ignite.queue(name, 0, config(false));
                                break;
                            case 6:
                                log.info("Create set, grid: " + ignite.name());
                                res = ignite.set(name, config(false));
                                break;
                            case 7:
                                log.info("Create atomic semaphore, grid: " + ignite.name());
                                res = ignite.semaphore(name, 0, false, true);
                                break;
                            case 8:
                                log.info("Create atomic reentrant lock, grid: " + ignite.name());
                                res = ignite.reentrantLock(name, true, true, true);
                                break;
                            default:
                                fail();
                                return null;
                        }
                        log.info("Thread created: " + res);
                        return res;
                    } catch (IgniteException e) {
                        log.info("Failed: " + e);
                        return e;
                    }
                }
            });
            futs.add(fut);
        }
        Closeable dataStructure = null;
        int createdCnt = 0;
        for (IgniteInternalFuture<Object> fut : futs) {
            Object res = fut.get();
            if (res instanceof IgniteException || res instanceof IgniteCheckedException)
                continue;
            assertTrue("Unexpected object: " + res, res instanceof IgniteAtomicLong || res instanceof IgniteAtomicSequence || res instanceof IgniteAtomicReference || res instanceof IgniteAtomicStamped || res instanceof IgniteCountDownLatch || res instanceof IgniteQueue || res instanceof IgniteSet || res instanceof IgniteSemaphore || res instanceof IgniteLock);
            log.info("Data structure created: " + dataStructure);
            createdCnt++;
            if (dataStructure != null)
                assertEquals(dataStructure.getClass(), res.getClass());
            else
                dataStructure = (Closeable) res;
        }
        assertNotNull(dataStructure);
        assertEquals(3, createdCnt);
        dataStructure.close();
    }
}

Example 3 with IgniteAtomicReference

use of org.apache.ignite.IgniteAtomicReference in project ignite by apache.

the class GridCacheAbstractDataStructuresFailoverSelfTest method testAtomicReferenceTopologyChange.

/**
     * @throws Exception If failed.
     */
public void testAtomicReferenceTopologyChange() throws Exception {
    try (IgniteAtomicReference atomic = grid(0).atomicReference(STRUCTURE_NAME, 10, true)) {
        Ignite g = startGrid(NEW_IGNITE_INSTANCE_NAME);
        assertEquals((Integer) 10, g.atomicReference(STRUCTURE_NAME, 10, false).get());
        g.atomicReference(STRUCTURE_NAME, 10, false).set(20);
        stopGrid(NEW_IGNITE_INSTANCE_NAME);
        assertEquals((Integer) 20, grid(0).atomicReference(STRUCTURE_NAME, 10, true).get());
    }
}