Examples with TransactionOptions com.hazelcast.transaction.TransactionOptions used on opensource projects

Example 46 with TransactionOptions

use of com.hazelcast.transaction.TransactionOptions in project hazelcast by hazelcast.

the class AdvancedClusterStateTest method changeClusterState_shouldNotFail_whenInitiatorDies_afterPrepare.

@Test
public void changeClusterState_shouldNotFail_whenInitiatorDies_afterPrepare() throws Exception {
    final TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(3);
    final HazelcastInstance[] instances = factory.newInstances();
    final HazelcastInstance hz = instances[instances.length - 1];
    TransactionManagerServiceImpl transactionManagerService = spyTransactionManagerService(hz);
    TransactionOptions options = TransactionOptions.getDefault().setDurability(1);
    when(transactionManagerService.newAllowedDuringPassiveStateTransaction(options)).thenAnswer(new TransactionAnswer() {

        @Override
        protected void afterPrepare() {
            terminateInstance(hz);
        }
    });
    try {
        hz.getCluster().changeClusterState(ClusterState.FROZEN, options);
        fail("This instance is terminated. Cannot commit the transaction!");
    } catch (HazelcastInstanceNotActiveException ignored) {
    }
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() throws Exception {
            assertClusterState(ClusterState.FROZEN, instances[0], instances[1]);
        }
    });
}

Example 47 with TransactionOptions

use of com.hazelcast.transaction.TransactionOptions in project camel by apache.

the class HazelcastAggregationRepository method remove.

/**
     * This method performs transactional operation on removing the {@code exchange}
     * from the operational storage and moving it into the persistent one if the {@link HazelcastAggregationRepository}
     * runs in recoverable mode and {@code optimistic} is false. It will act at <u>your own</u> risk otherwise.
     * @param camelContext   the current CamelContext
     * @param key            the correlation key
     * @param exchange       the exchange to remove
     */
@Override
public void remove(CamelContext camelContext, String key, Exchange exchange) {
    DefaultExchangeHolder holder = DefaultExchangeHolder.marshal(exchange, true, allowSerializedHeaders);
    if (optimistic) {
        LOG.trace("Removing an exchange with ID {} for key {} in an optimistic manner.", exchange.getExchangeId(), key);
        if (!cache.remove(key, holder)) {
            LOG.error("Optimistic locking failed for exchange with key {}: IMap#remove removed no Exchanges, while it's expected to remove one.", key);
            throw new OptimisticLockingException();
        }
        LOG.trace("Removed an exchange with ID {} for key {} in an optimistic manner.", exchange.getExchangeId(), key);
        if (useRecovery) {
            LOG.trace("Putting an exchange with ID {} for key {} into a recoverable storage in an optimistic manner.", exchange.getExchangeId(), key);
            persistedCache.put(exchange.getExchangeId(), holder);
            LOG.trace("Put an exchange with ID {} for key {} into a recoverable storage in an optimistic manner.", exchange.getExchangeId(), key);
        }
    } else {
        if (useRecovery) {
            LOG.trace("Removing an exchange with ID {} for key {} in a thread-safe manner.", exchange.getExchangeId(), key);
            // The only considerable case for transaction usage is fault tolerance:
            // the transaction will be rolled back automatically (default timeout is 2 minutes)
            // if no commit occurs during the timeout. So we are still consistent whether local node crashes.
            TransactionOptions tOpts = new TransactionOptions();
            tOpts.setTransactionType(TransactionOptions.TransactionType.ONE_PHASE);
            TransactionContext tCtx = hzInstance.newTransactionContext(tOpts);
            try {
                tCtx.beginTransaction();
                TransactionalMap<String, DefaultExchangeHolder> tCache = tCtx.getMap(cache.getName());
                TransactionalMap<String, DefaultExchangeHolder> tPersistentCache = tCtx.getMap(persistedCache.getName());
                DefaultExchangeHolder removedHolder = tCache.remove(key);
                LOG.trace("Putting an exchange with ID {} for key {} into a recoverable storage in a thread-safe manner.", exchange.getExchangeId(), key);
                tPersistentCache.put(exchange.getExchangeId(), removedHolder);
                tCtx.commitTransaction();
                LOG.trace("Removed an exchange with ID {} for key {} in a thread-safe manner.", exchange.getExchangeId(), key);
                LOG.trace("Put an exchange with ID {} for key {} into a recoverable storage in a thread-safe manner.", exchange.getExchangeId(), key);
            } catch (Throwable throwable) {
                tCtx.rollbackTransaction();
                final String msg = String.format("Transaction with ID %s was rolled back for remove operation with a key %s and an Exchange ID %s.", tCtx.getTxnId(), key, exchange.getExchangeId());
                LOG.warn(msg, throwable);
                throw new RuntimeException(msg, throwable);
            }
        } else {
            cache.remove(key);
        }
    }
}