Package com.hazelcast.transaction

Examples of com.hazelcast.transaction.TransactionContext

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    public void testAddRemove() throws Exception {
        String listName = randomString();
        final IList l = client.getList(listName);
        l.add("item1");

        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        final TransactionalList<Object> list = context.getList(listName);
        assertTrue(list.add("item2"));
        assertEquals(2, list.size());
        assertEquals(1, l.size());
        assertFalse(list.remove("item3"));
        assertTrue(list.remove("item1"));

        context.commitTransaction();

        assertEquals(1, l.size());
    }
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    public void testAddAndRoleBack() throws Exception {
        final String listName = randomString();
        final IList l = client.getList(listName);
        l.add("item1");

        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        final TransactionalList<Object> list = context.getList(listName);
        list.add("item2");
        context.rollbackTransaction();

        assertEquals(1, l.size());
    }
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    }

    @Test
    public void testTxnRollback() throws Exception {
        final String queueName = randomString();
        final TransactionContext context = hz.newTransactionContext();
        CountDownLatch txnRollbackLatch = new CountDownLatch(1);
        final CountDownLatch memberRemovedLatch = new CountDownLatch(1);

        hz.getCluster().addMembershipListener(new MembershipAdapter() {
            @Override
            public void memberRemoved(MembershipEvent membershipEvent) {
                memberRemovedLatch.countDown();
            }
        });

        try {
            context.beginTransaction();
            assertNotNull(context.getTxnId());
            final TransactionalQueue queue = context.getQueue(queueName);
            queue.offer(randomString());

            server.shutdown();

            context.commitTransaction();
            fail("commit should throw exception!!!");
        } catch (Exception e) {
            context.rollbackTransaction();
            txnRollbackLatch.countDown();
        }

        assertOpenEventually(txnRollbackLatch);
        assertOpenEventually(memberRemovedLatch);
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    }

    @Test
    public void testTxnRollbackOnServerCrash() throws Exception {
        final String queueName = randomString();
        final TransactionContext context = hz.newTransactionContext();
        CountDownLatch txnRollbackLatch = new CountDownLatch(1);
        final CountDownLatch memberRemovedLatch = new CountDownLatch(1);

        context.beginTransaction();

        final TransactionalQueue queue = context.getQueue(queueName);

        queue.offer(randomString());
        hz.getCluster().addMembershipListener(new MembershipAdapter() {
            @Override
            public void memberRemoved(MembershipEvent membershipEvent) {
                memberRemovedLatch.countDown();
            }
        });
        server.getLifecycleService().terminate();

        try {
            context.commitTransaction();
            fail("commit should throw exception !");
        } catch (Exception e) {
            context.rollbackTransaction();
            txnRollbackLatch.countDown();
        }

        assertOpenEventually(txnRollbackLatch);
        assertOpenEventually(memberRemovedLatch);
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    public void testTransactionalOfferPoll() {
        final String item = "offered";
        final String queueName = randomString();
        final IQueue queue = client.getQueue(queueName);

        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        TransactionalQueue txnQueue = context.getQueue(queueName);
        txnQueue.offer(item);
        assertEquals(item, txnQueue.poll());
        context.commitTransaction();
    }
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    public void testQueueSizeAfterTxnOfferPoll() {
        final String item = "offered";
        final String queueName = randomString();
        final IQueue queue = client.getQueue(queueName);

        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        TransactionalQueue txnQueue = context.getQueue(queueName);
        txnQueue.offer(item);
        txnQueue.poll();
        context.commitTransaction();

        assertEquals(0, queue.size());
    }
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    @Test
    public void testTransactionalOfferTake() throws InterruptedException {
        final String item = "offered";
        final String queueName = randomString();

        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        TransactionalQueue<String> txnQueue = context.getQueue(queueName);
        assertTrue(txnQueue.offer(item));
        assertEquals(1, txnQueue.size());
        assertEquals(item, txnQueue.take());
        context.commitTransaction();
    }
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                }
            }
        }.start();


        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        TransactionalQueue txnQueue1 = context.getQueue(queueName);

        justBeforeBlocked.countDown();
        Object result = txnQueue1.poll(5, TimeUnit.SECONDS);

        assertEquals("TransactionalQueue while blocked in pol should get item offered from client queue", item, result);

        context.commitTransaction();
    }
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    public void testTransactionalPeek() {
        final String item = "offered";
        final String queunName = randomString();
        final IQueue queue = client.getQueue(queunName);

        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        TransactionalQueue txnQueue = context.getQueue(queunName);

        txnQueue.offer(item);
        assertEquals(item, txnQueue.peek());
        assertEquals(item, txnQueue.peek());

        context.commitTransaction();
    }
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    @Test
    public void testTransactionalOfferRoleBack() {
        final String name = randomString();
        final IQueue queue = client.getQueue(name);

        final TransactionContext context = client.newTransactionContext();
        context.beginTransaction();
        TransactionalQueue<String> qTxn = context.getQueue(name);
        qTxn.offer("ITEM");
        context.rollbackTransaction();

        assertEquals(0, queue.size());
    }
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Related Classes of com.hazelcast.transaction.TransactionContext

  • com.hazelcast.client.ClientEndpoint
  • com.hazelcast.client.impl.client.txn.ClientTransactionManager
  • com.hazelcast.client.impl.client.txn.ClientTxnListTest
  • com.hazelcast.client.impl.client.txn.ClientTxnMapTest
  • com.hazelcast.client.impl.client.txn.ClientTxnMultiMapTest
  • com.hazelcast.client.impl.client.txn.ClientTxnQueueTest
  • com.hazelcast.client.impl.client.txn.ClientTxnSetTest
  • com.hazelcast.client.impl.client.txn.ClientTxnTest
  • com.hazelcast.client.impl.client.txn.ClientXaTest
  • com.hazelcast.client.impl.ClientEndpointImpl
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