Examples of org.voltdb.messaging.Iv2InitiateTaskMessage

org.voltdb.messaging.Iv2InitiateTaskMessage
Message from a client interface to an initiator, instructing the site to begin executing a stored procedure, coordinating other execution sites if needed.

        // Handle every-site system procedures (at the MPI)
        final Config sysprocConfig = SystemProcedureCatalog.listing.get(procedureName);
        if (sysprocConfig != null &&  sysprocConfig.getEverysite()) {
            // Send an SP initiate task to all remote sites
            final Long localId = m_mailbox.getHSId();
            Iv2InitiateTaskMessage sp = new Iv2InitiateTaskMessage(
                    localId, // make the MPI the initiator.
                    message.getCoordinatorHSId(),
                    m_repairLogTruncationHandle,
                    mpTxnId,
                    timestamp,
                    message.isReadOnly(),
                    true, // isSinglePartition
                    message.getStoredProcedureInvocation(),
                    message.getClientInterfaceHandle(),
                    message.getConnectionId(),
                    message.isForReplay());
            DuplicateCounter counter = new DuplicateCounter(
                    message.getInitiatorHSId(),
                    mpTxnId,
                    m_iv2Masters, message.getStoredProcedureName());
            m_duplicateCounters.put(mpTxnId, counter);
            EveryPartitionTask eptask =
                new EveryPartitionTask(m_mailbox, m_pendingTasks, sp,
                        m_iv2Masters);
            m_pendingTasks.offer(eptask);
            return;
        }
        // Create a copy so we can overwrite the txnID so the InitiateResponse will be
        // correctly tracked.
        Iv2InitiateTaskMessage mp =
            new Iv2InitiateTaskMessage(
                    message.getInitiatorHSId(),
                    message.getCoordinatorHSId(),
                    m_repairLogTruncationHandle,
                    mpTxnId,
                    timestamp,

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    private void handleIv2InitiateTaskMessageRepair(List<Long> needsRepair, Iv2InitiateTaskMessage message)
    {
        // just reforward the Iv2InitiateTaskMessage for the txn being restarted
        // this copy may be unnecessary
        final String procedureName = message.getStoredProcedureName();
        Iv2InitiateTaskMessage mp =
            new Iv2InitiateTaskMessage(
                    message.getInitiatorHSId(),
                    message.getCoordinatorHSId(),
                    message.getTruncationHandle(),
                    message.getTxnId(),
                    message.getUniqueId(),

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    }


    private void repairReplicasWithInternal(List<Long> needsRepair, VoltMessage repairWork) {
        assert(lockingVows());
        if (repairWork instanceof Iv2InitiateTaskMessage) {
            Iv2InitiateTaskMessage m = (Iv2InitiateTaskMessage)repairWork;
            Iv2InitiateTaskMessage work = new Iv2InitiateTaskMessage(m.getInitiatorHSId(), getHSId(), m);
            m_scheduler.updateLastSeenTxnIds(work);
            m_scheduler.handleMessageRepair(needsRepair, work);
        }
        else if (repairWork instanceof CompleteTransactionMessage) {
            send(com.google_voltpatches.common.primitives.Longs.toArray(needsRepair), repairWork);

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        // Log invocation to DR
        if (m_drGateway != null && !m_txnState.isForReplay() && !m_txnState.isReadOnly() &&
            !m_completeMsg.isRollback())
        {
            FragmentTaskMessage fragment = (FragmentTaskMessage) m_txnState.getNotice();
            Iv2InitiateTaskMessage initiateTask = fragment.getInitiateTask();
            assert(initiateTask != null);
            if (initiateTask == null) {
                hostLog.error("Unable to log MP transaction to DR because of missing InitiateTaskMessage, " +
                              "fragment: " + fragment.toString());
            }
            StoredProcedureInvocation invocation = initiateTask.getStoredProcedureInvocation().getShallowCopy();
            m_drGateway.onSuccessfulMPCall(m_txnState.m_spHandle,
                    m_txnState.txnId,
                    m_txnState.uniqueId,
                    m_completeMsg.getHash(),
                    invocation,

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    // Offer a new message to the repair log. This will truncate
    // the repairLog if the message includes a truncation hint.
    public void deliver(VoltMessage msg)
    {
        if (!m_isLeader && msg instanceof Iv2InitiateTaskMessage) {
            final Iv2InitiateTaskMessage m = (Iv2InitiateTaskMessage)msg;
            // We can't repair read-only SP transactions due to their short-circuited nature.
            // Just don't log them to the repair log.
            if (!m.isReadOnly()) {
                m_lastSpHandle = m.getSpHandle();
                truncate(m.getTruncationHandle(), IS_SP);
                m_logSP.add(new Item(IS_SP, m, m.getSpHandle(), m.getTxnId()));
            }
        } else if (msg instanceof FragmentTaskMessage) {
            final TransactionInfoBaseMessage m = (TransactionInfoBaseMessage)msg;
            if (!m.isReadOnly()) {
                truncate(m.getTruncationHandle(), IS_MP);
                // only log the first fragment of a procedure (and handle 1st case)
                if (m.getTxnId() > m_lastMpHandle || m_lastMpHandle == Long.MAX_VALUE) {
                    m_logMP.add(new Item(IS_MP, m, m.getSpHandle(), m.getTxnId()));
                    m_lastMpHandle = m.getTxnId();
                    m_lastSpHandle = m.getSpHandle();
                }
            }
        }
        else if (msg instanceof CompleteTransactionMessage) {
            // a CompleteTransactionMessage which indicates restart is not the end of the

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        }


        long handle = cihm.getHandle(isSinglePartition, partition, invocation.getClientHandle(),
                messageSize, nowNanos, invocation.getProcName(), initiatorHSId, isReadOnly, isShortCircuitRead);


        Iv2InitiateTaskMessage workRequest =
            new Iv2InitiateTaskMessage(m_siteId,
                    initiatorHSId,
                    Iv2InitiateTaskMessage.UNUSED_TRUNC_HANDLE,
                    txnId,
                    uniqueId,
                    isReadOnly,

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        TransactionInfoBaseMessage tibm = m_rejoinTaskLog.getNextMessage();
        if (tibm != null) {
            mrm.didUnrestricted();
            if (tibm instanceof Iv2InitiateTaskMessage) {
                Iv2InitiateTaskMessage m = (Iv2InitiateTaskMessage)tibm;
                SpProcedureTask t = new SpProcedureTask(
                        m_initiatorMailbox, m.getStoredProcedureName(),
                        null, m, m_drGateway);
                if (!filter(tibm)) {
                    m_currentTxnId = t.getTxnId();
                    m_lastTxnTime = EstTime.currentTimeMillis();
                    t.runFromTaskLog(this);
                }
            }
            else if (tibm instanceof FragmentTaskMessage) {
                FragmentTaskMessage m = (FragmentTaskMessage)tibm;
                if (global_replay_mpTxn == null) {
                    global_replay_mpTxn = new ParticipantTransactionState(m.getTxnId(), m);
                }
                else if (global_replay_mpTxn.txnId != m.getTxnId()) {
                    VoltDB.crashLocalVoltDB("Started a MP transaction during replay before completing " +
                            " open transaction.", false, null);
                }


                TransactionTask t;
                if (m.isSysProcTask()) {
                    t = new SysprocFragmentTask(m_initiatorMailbox, m, global_replay_mpTxn);
                } else {
                    t = new FragmentTask(m_initiatorMailbox, m, global_replay_mpTxn);
                }


                if (!filter(tibm)) {
                    m_currentTxnId = t.getTxnId();
                    m_lastTxnTime = EstTime.currentTimeMillis();
                    t.runFromTaskLog(this);
                }
            }
            else if (tibm instanceof CompleteTransactionMessage) {
                // Needs improvement: completes for sysprocs aren't filterable as sysprocs.
                // Only complete transactions that are open...
                if (global_replay_mpTxn != null) {
                    CompleteTransactionMessage m = (CompleteTransactionMessage)tibm;
                    CompleteTransactionTask t = new CompleteTransactionTask(global_replay_mpTxn,
                            null, m, m_drGateway);
                    if (!m.isRestart()) {
                        global_replay_mpTxn = null;
                    }
                    if (!filter(tibm)) {
                        t.runFromTaskLog(this);
                    }

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            if (!SysProcFragmentId.isDurableFragment(((FragmentTaskMessage) tibm).getPlanHash(0))) {
                return true;
            }
        }
        else if (tibm instanceof Iv2InitiateTaskMessage) {
            Iv2InitiateTaskMessage itm = (Iv2InitiateTaskMessage) tibm;
            //All durable sysprocs and non-sysprocs should not get filtered.
            return !CatalogUtil.isDurableProc(itm.getStoredProcedureName());
        }
        return false;
    }

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Related Classes of org.voltdb.messaging.Iv2InitiateTaskMessage

org.voltdb.ClientInterface

org.voltdb.iv2.CompleteTransactionTask

org.voltdb.iv2.InitiatorMailbox

org.voltdb.iv2.MpInitiatorMailbox

org.voltdb.iv2.MpScheduler

org.voltdb.iv2.RandomMsgGenerator

org.voltdb.iv2.RepairLog

org.voltdb.iv2.ReplaySequencer

org.voltdb.iv2.Site

org.voltdb.iv2.SpScheduler

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