Examples with Transaction org.apache.ignite.transactions.Transaction used on opensource projects

Example 86 with Transaction

use of org.apache.ignite.transactions.Transaction in project ignite by apache.

the class CacheSerializableTransactionsTest method testTxReadInParallerTxWrite.

/**
     * Transactional read in parallel with changing the same data.
     *
     * @throws Exception If failed.
     */
public void testTxReadInParallerTxWrite() throws Exception {
    final Ignite ignite = ignite(0);
    final Integer key = 1;
    final Integer val = 1;
    final CountDownLatch readLatch = new CountDownLatch(1);
    final CountDownLatch writeLatch = new CountDownLatch(1);
    final Exception[] err = { null };
    final String cacheName = ignite.createCache(cacheConfiguration(PARTITIONED, FULL_SYNC, 1, false, false)).getName();
    final IgniteCache<Integer, Integer> cache = ignite.cache(cacheName);
    try (Transaction tx = ignite.transactions().txStart(OPTIMISTIC, SERIALIZABLE)) {
        cache.put(key, val);
        tx.commit();
    }
    try {
        IgniteInternalFuture<?> fut = GridTestUtils.runAsync(new Callable<Void>() {

            @Override
            public Void call() throws Exception {
                IgniteTransactions txs = cache.unwrap(Ignite.class).transactions();
                try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                    assertTrue(cache.get(key).equals(val));
                    readLatch.countDown();
                    writeLatch.await(10, TimeUnit.SECONDS);
                    try {
                        tx.commit();
                    } catch (TransactionOptimisticException e) {
                        log.info("Expected exception: " + e);
                        err[0] = e;
                    }
                }
                return null;
            }
        }, "read-thread");
        GridTestUtils.runAsync(new Callable<Void>() {

            @Override
            public Void call() throws Exception {
                IgniteTransactions txs = cache.unwrap(Ignite.class).transactions();
                readLatch.await(10, TimeUnit.SECONDS);
                try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                    cache.put(key, val);
                    tx.commit();
                }
                writeLatch.countDown();
                return null;
            }
        }, "write-thread").get();
        fut.get();
        assertNotNull("Expected exception was not thrown", err[0]);
    } finally {
        destroyCache(cacheName);
    }
}

Example 87 with Transaction

use of org.apache.ignite.transactions.Transaction in project ignite by apache.

the class CacheSerializableTransactionsTest method txNoConflictUpdate.

/**
     * @throws Exception If failed.
     * @param noVal If {@code true} there is no cache value when do update in tx.
     * @param rmv If {@code true} tests remove, otherwise put.
     * @param getAfterUpdate If {@code true} tries to get value in tx after update.
     */
private void txNoConflictUpdate(boolean noVal, boolean rmv, boolean getAfterUpdate) throws Exception {
    Ignite ignite0 = ignite(0);
    final IgniteTransactions txs = ignite0.transactions();
    for (CacheConfiguration<Integer, Integer> ccfg : cacheConfigurations()) {
        logCacheInfo(ccfg);
        try {
            IgniteCache<Integer, Integer> cache = ignite0.createCache(ccfg);
            List<Integer> keys = testKeys(cache);
            for (Integer key : keys) {
                log.info("Test key: " + key);
                if (!noVal)
                    cache.put(key, -1);
                try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                    if (rmv)
                        cache.remove(key);
                    else
                        cache.put(key, 2);
                    if (getAfterUpdate) {
                        Object val = cache.get(key);
                        if (rmv)
                            assertNull(val);
                        else
                            assertEquals(2, val);
                    }
                    if (!rmv)
                        updateKey(cache, key, 1);
                    tx.commit();
                }
                checkValue(key, rmv ? null : 2, cache.getName());
                try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                    cache.put(key, 3);
                    tx.commit();
                }
                checkValue(key, 3, cache.getName());
            }
            Map<Integer, Integer> map = new HashMap<>();
            for (int i = 0; i < 100; i++) map.put(i, i);
            try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                if (rmv)
                    cache.removeAll(map.keySet());
                else
                    cache.putAll(map);
                if (getAfterUpdate) {
                    Map<Integer, Integer> res = cache.getAll(map.keySet());
                    if (rmv) {
                        for (Integer key : map.keySet()) assertNull(res.get(key));
                    } else {
                        for (Integer key : map.keySet()) assertEquals(map.get(key), res.get(key));
                    }
                }
                txAsync(cache, PESSIMISTIC, REPEATABLE_READ, new IgniteClosure<IgniteCache<Integer, Integer>, Void>() {

                    @Override
                    public Void apply(IgniteCache<Integer, Integer> cache) {
                        Map<Integer, Integer> map = new HashMap<>();
                        for (int i = 0; i < 100; i++) map.put(i, -1);
                        cache.putAll(map);
                        return null;
                    }
                });
                tx.commit();
            }
            for (int i = 0; i < 100; i++) checkValue(i, rmv ? null : i, cache.getName());
        } finally {
            destroyCache(ccfg.getName());
        }
    }
}

Example 88 with Transaction

use of org.apache.ignite.transactions.Transaction in project ignite by apache.

the class CacheSerializableTransactionsTest method rollbackNearCacheWrite.

/**
     * @param near If {@code true} locks entry using the same near cache.
     * @throws Exception If failed.
     */
private void rollbackNearCacheWrite(boolean near) throws Exception {
    Ignite ignite0 = ignite(0);
    IgniteCache<Integer, Integer> cache0 = ignite0.createCache(cacheConfiguration(PARTITIONED, FULL_SYNC, 1, false, false));
    final String cacheName = cache0.getName();
    try {
        Ignite ignite = ignite(SRVS);
        IgniteCache<Integer, Integer> cache = ignite.createNearCache(cacheName, new NearCacheConfiguration<Integer, Integer>());
        IgniteTransactions txs = ignite.transactions();
        Integer key1 = primaryKey(ignite(0).cache(cacheName));
        Integer key2 = primaryKey(ignite(1).cache(cacheName));
        Integer key3 = primaryKey(ignite(2).cache(cacheName));
        CountDownLatch latch = new CountDownLatch(1);
        IgniteInternalFuture<?> fut = null;
        try {
            try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                cache.put(key1, key1);
                cache.put(key2, key2);
                cache.put(key3, key3);
                fut = lockKey(latch, near ? cache : cache0, key2);
                tx.commit();
            }
            fail();
        } catch (TransactionOptimisticException e) {
            log.info("Expected exception: " + e);
        }
        latch.countDown();
        assert fut != null;
        fut.get();
        checkValue(key1, null, cacheName);
        checkValue(key2, 1, cacheName);
        checkValue(key3, null, cacheName);
        try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
            cache.put(key1, key1);
            cache.put(key2, key2);
            cache.put(key3, key3);
            tx.commit();
        }
        checkValue(key1, key1, cacheName);
        checkValue(key2, key2, cacheName);
        checkValue(key3, key3, cacheName);
    } finally {
        destroyCache(cacheName);
    }
}

Example 89 with Transaction

use of org.apache.ignite.transactions.Transaction in project ignite by apache.

the class CacheSerializableTransactionsTest method testTxConflictPutIfAbsent.

/**
     * @throws Exception If failed.
     */
public void testTxConflictPutIfAbsent() throws Exception {
    Ignite ignite0 = ignite(0);
    final IgniteTransactions txs = ignite0.transactions();
    for (CacheConfiguration<Integer, Integer> ccfg : cacheConfigurations()) {
        logCacheInfo(ccfg);
        try {
            IgniteCache<Integer, Integer> cache = ignite0.createCache(ccfg);
            List<Integer> keys = testKeys(cache);
            for (Integer key : keys) {
                log.info("Test key: " + key);
                try {
                    try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                        boolean put = cache.putIfAbsent(key, 2);
                        assertTrue(put);
                        updateKey(cache, key, 1);
                        tx.commit();
                    }
                    fail();
                } catch (TransactionOptimisticException e) {
                    log.info("Expected exception: " + e);
                }
                checkValue(key, 1, cache.getName());
                try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                    boolean put = cache.putIfAbsent(key, 2);
                    assertFalse(put);
                    tx.commit();
                }
                checkValue(key, 1, cache.getName());
                cache.remove(key);
                try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                    boolean put = cache.putIfAbsent(key, 2);
                    assertTrue(put);
                    tx.commit();
                }
                checkValue(key, 2, cache.getName());
                try {
                    try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
                        boolean put = cache.putIfAbsent(key, 2);
                        assertFalse(put);
                        updateKey(cache, key, 3);
                        tx.commit();
                    }
                    fail();
                } catch (TransactionOptimisticException e) {
                    log.info("Expected exception: " + e);
                }
                checkValue(key, 3, cache.getName());
            }
        } finally {
            destroyCache(ccfg.getName());
        }
    }
}

Example 90 with Transaction

use of org.apache.ignite.transactions.Transaction in project ignite by apache.

the class CacheSerializableTransactionsTest method checkReadWriteTransactionsNoDeadlock.

/**
     * @param multiNode Multi-node test flag.
     * @throws Exception If failed.
     */
private void checkReadWriteTransactionsNoDeadlock(final boolean multiNode) throws Exception {
    final Ignite ignite0 = ignite(0);
    for (final CacheConfiguration<Integer, Integer> ccfg : cacheConfigurations()) {
        logCacheInfo(ccfg);
        ignite0.createCache(ccfg);
        try {
            final long stopTime = U.currentTimeMillis() + 10_000;
            final AtomicInteger idx = new AtomicInteger();
            GridTestUtils.runMultiThreaded(new Callable<Void>() {

                @Override
                public Void call() throws Exception {
                    Ignite ignite = multiNode ? ignite(idx.incrementAndGet() % (SRVS + CLIENTS)) : ignite0;
                    IgniteCache<Integer, Integer> cache = ignite.cache(ccfg.getName());
                    ThreadLocalRandom rnd = ThreadLocalRandom.current();
                    while (U.currentTimeMillis() < stopTime) {
                        try {
                            try (Transaction tx = ignite.transactions().txStart(OPTIMISTIC, SERIALIZABLE)) {
                                for (int i = 0; i < 10; i++) {
                                    Integer key = rnd.nextInt(30);
                                    if (rnd.nextBoolean())
                                        cache.get(key);
                                    else
                                        cache.put(key, key);
                                }
                                tx.commit();
                            }
                        } catch (TransactionOptimisticException ignore) {
                        // No-op.
                        }
                    }
                    return null;
                }
            }, 32, "test-thread");
        } finally {
            destroyCache(ccfg.getName());
        }
    }
}