Examples of com.hazelcast.transaction.TransactionContext.beginTransaction()

Class com.hazelcast.transaction.TransactionContext

Examples of com.hazelcast.transaction.TransactionContext.beginTransaction()

com.hazelcast.transaction.TransactionContext.beginTransaction()
Begins a transaction. @throws IllegalStateException if a transaction already is active.

            }


        }, true);


        TransactionContext context = node.newTransactionContext();
        context.beginTransaction();
        TransactionalMap<String, String> transactionalMap = context.getMap(mapName);
        transactionalMap.put("foo", "two");
        context.commitTransaction();
        assertOpenEventually("Not reached expected update event count", expectedUpdateEventCount);
    }

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        return executeTransaction(TransactionOptions.getDefault(), task);
    }


    public <T> T executeTransaction(TransactionOptions options, TransactionalTask<T> task) throws TransactionException {
        final TransactionContext context = newTransactionContext(options);
        context.beginTransaction();
        try {
            final T value = task.execute(context);
            context.commitTransaction();
            return value;
        } catch (Throwable e) {

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        TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(3);
        HazelcastInstance instance = factory.newHazelcastInstance(config);
        HazelcastInstance instance2 = factory.newHazelcastInstance(config);


        TransactionContext context = instance.newTransactionContext();
        context.beginTransaction();
        TransactionalMap<Object, Object> tmap = context.getMap(name);
        for (int i = 0; i < size; i++) {
            tmap.put(i, i);
        }
        context.commitTransaction();

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    public void testQueuePollCommitSize() {
        TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
        final HazelcastInstance instance1 = factory.newHazelcastInstance();
        final HazelcastInstance instance2 = factory.newHazelcastInstance();
        final TransactionContext context = instance1.newTransactionContext();
        context.beginTransaction();


        TransactionalQueue txnQ1 = context.getQueue("testQueuePollCommitSize");
        TransactionalQueue txnQ2 = context.getQueue("testQueuePollCommitSize");


        txnQ1.offer("item1");

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        q.offer("item1");
        q.offer("item2");
        assertEquals(2, q.size());


        context.beginTransaction();
        TransactionalQueue txnQ1 = context.getQueue("testQueuePollRollbackSize");


        assertEquals("item1", txnQ1.poll());
        assertEquals(1, txnQ1.size());
        assertEquals(1, q.size());

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        final HazelcastInstance instance1 = factory.newHazelcastInstance();
        final HazelcastInstance instance2 = factory.newHazelcastInstance();
        final TransactionContext context = instance1.newTransactionContext();
        final IQueue<Integer> queue = instance1.getQueue("testQueueOrderAfterPollRollback");


        context.beginTransaction();
        TransactionalQueue<Integer> txn1 = context.getQueue("testQueueOrderAfterPollRollback");
        txn1.offer(1);
        txn1.offer(2);
        txn1.offer(3);
        context.commitTransaction();

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        context.commitTransaction();


        assertEquals(3, queue.size());


        final TransactionContext context2 = instance2.newTransactionContext();
        context2.beginTransaction();
        TransactionalQueue<Integer> txn2 = context2.getQueue("testQueueOrderAfterPollRollback");
        assertEquals(1, txn2.poll().intValue());
        context2.rollbackTransaction();
        assertEquals(1, queue.poll().intValue());
        assertEquals(2, queue.poll().intValue());

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        Thread t1 = new Thread() {
            public void run() {
                final TransactionContext context = hz.newTransactionContext();
                try {
                    context.beginTransaction();
                    final Object polled = context.getQueue(name).poll(1, TimeUnit.DAYS);
                    sleep(1000);
                    throw new RuntimeException();
                } catch (InterruptedException e) {
                    fail(e.getMessage());

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        final AtomicBoolean fail = new AtomicBoolean(false);
        Thread t2 = new Thread() {
            public void run() {
                final TransactionContext context = hz.newTransactionContext();
                try {
                    context.beginTransaction();
                    context.getQueue(name).poll(1, TimeUnit.DAYS);
                    context.commitTransaction();
                    fail.set(false);
                } catch (Exception e) {
                    context.rollbackTransaction();

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                pollLatch.countDown();
            }
        }, true);


        final TransactionContext context = hz.newTransactionContext();
        context.beginTransaction();
        final TransactionalQueue<Object> queue = context.getQueue(name);
        queue.offer("tx Hello");
        queue.offer("tx World");
        context.commitTransaction();

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