Examples of com.hazelcast.transaction.TransactionContext

com.hazelcast.transaction.TransactionContext
Provides a context to do transactional operations; so beginning/committing transactions, but also retrieving transactional data-structures like the {@link com.hazelcast.core.TransactionalMap}.


        multiMap.put("1", "C");
        multiMap.put("2", "x");
        multiMap.put("2", "y");


        final TransactionContext context = instance.newTransactionContext();
        context.beginTransaction();
        TransactionalMultiMap txnMap = context.getMultiMap("testMultiMapPutRemoveWithTxn");
        txnMap.put("1", "A");
        txnMap.put("1", "B");
        Collection g1 = txnMap.get("1");
        assertTrue(g1.contains("A"));
        assertTrue(g1.contains("B"));
        assertTrue(g1.contains("C"));
        assertTrue(txnMap.remove("1", "C"));
        assertEquals(4, txnMap.size());
        Collection g2 = txnMap.get("1");
        assertTrue(g2.contains("A"));
        assertTrue(g2.contains("B"));
        assertFalse(g2.contains("C"));
        Collection r1 = txnMap.remove("2");
        assertTrue(r1.contains("x"));
        assertTrue(r1.contains("y"));
        assertEquals(0, txnMap.get("2").size());
        Collection r2 = txnMap.remove("1");
        assertEquals(2, r2.size());
        assertTrue(r2.contains("A"));
        assertTrue(r2.contains("B"));
        assertEquals(0, txnMap.get("1").size());
        assertEquals(0, txnMap.size());
        assertEquals(3, multiMap.size());
        context.commitTransaction();
        assertEquals(0, multiMap.size());
    }

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            throw new XAException(XAException.XAER_NOTA);
        }
    }


    private void setInner() throws XAException {
        final TransactionContext transactionContext = HazelcastTransactionImpl
                .createTransaction(this.getTransactionTimeout(), managedConnection.getHazelcastInstance());
        this.managedConnection.getTx().setTxContext(transactionContext);
        inner = transactionContext.getXaResource();
    }

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        return getHazelcastInstance().getSemaphore(name);
    }




    public <K, V> TransactionalMap<K, V> getTransactionalMap(String name) {
        final TransactionContext txContext = this.managedConnection.getTx().getTxContext();
        if (txContext == null) {
            throw new IllegalStateException("Transaction is not active");
        }
        return txContext.getMap(name);
    }

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        }
        return txContext.getMap(name);
    }


    public <E> TransactionalQueue<E> getTransactionalQueue(String name) {
        final TransactionContext txContext = this.managedConnection.getTx().getTxContext();
        if (txContext == null) {
            throw new IllegalStateException("Transaction is not active");
        }
        return txContext.getQueue(name);
    }

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        }
        return txContext.getQueue(name);
    }


    public <K, V> TransactionalMultiMap<K, V> getTransactionalMultiMap(String name) {
        final TransactionContext txContext = this.managedConnection.getTx().getTxContext();
        if (txContext == null) {
            throw new IllegalStateException("Transaction is not active");
        }
        return txContext.getMultiMap(name);
    }

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        }
        return txContext.getMultiMap(name);
    }


    public <E> TransactionalList<E> getTransactionalList(String name) {
        final TransactionContext txContext = this.managedConnection.getTx().getTxContext();
        if (txContext == null) {
            throw new IllegalStateException("Transaction is not active");
        }
        return txContext.getList(name);
    }

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        }
        return txContext.getList(name);
    }


    public <E> TransactionalSet<E> getTransactionalSet(String name) {
        final TransactionContext txContext = this.managedConnection.getTx().getTxContext();
        if (txContext == null) {
            throw new IllegalStateException("Transaction is not active");
        }
        return txContext.getSet(name);
    }

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    public Object innerCall() throws Exception {
        ClientEngineImpl clientEngine = getService();
        ClientEndpoint endpoint = getEndpoint();
        TransactionManagerServiceImpl transactionManager =
                (TransactionManagerServiceImpl) clientEngine.getTransactionManagerService();
        TransactionContext context = transactionManager.newClientTransactionContext(options, endpoint.getUuid());
        if (sXid != null) {
            Transaction transaction = TransactionAccessor.getTransaction(context);
            transactionManager.addManagedTransaction(sXid, transaction);
        }
        context.beginTransaction();
        endpoint.setTransactionContext(context);
        return context.getTxnId();
    }

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public class TransactionQueueTest extends HazelcastTestSupport {


    @Test(expected = IllegalStateException.class)
    public void nestedTransactionTest() {
        final HazelcastInstance instance = createHazelcastInstanceFactory(1).newHazelcastInstance();
        TransactionContext outerTnx = instance.newTransactionContext();
        outerTnx.beginTransaction();
        final String name = randomString();
        final String item = randomString();
        outerTnx.getQueue(name).offer(item);
        try {
            TransactionContext innerTnx = instance.newTransactionContext();
            innerTnx.beginTransaction();
            innerTnx.getQueue(name).offer(item);
            innerTnx.commitTransaction();
        } finally {
            outerTnx.rollbackTransaction();
        }
    }

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        final String name = "defQueue";
        TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(insCount);
        final HazelcastInstance[] instances = factory.newInstances(config);




        final TransactionContext context = instances[0].newTransactionContext();
        context.beginTransaction();
        try {
            TransactionalQueue<String> q = context.getQueue(name);
            assertTrue(q.offer("ali"));
            String s = q.poll();
            assertEquals("ali", s);
            context.commitTransaction();
        } catch (TransactionException e) {
            context.rollbackTransaction();
            throw e;
        }
        assertEquals(0, getQueue(instances, name).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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