Examples of org.voltdb.messaging.FragmentTaskMessage$FragmentData

org.voltdb.messaging.FragmentTaskMessage
Message from a stored procedure coordinator to an execution site which is participating in the transaction. This message specifies which planfragment to run and with which parameters.

        return m;
    }


    TransactionInfoBaseMessage makeFragment(long unused)
    {
        FragmentTaskMessage m = mock(FragmentTaskMessage.class);
        when(m.isForReplay()).thenReturn(true);
        return m;
    }

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    }


    private static FragmentTaskMessage makeFrag(boolean sysproc, long id)
    {
        FragmentTaskMessage msg = mock(FragmentTaskMessage.class);
        doReturn(sysproc).when(msg).isSysProcTask();
        doReturn(VoltSystemProcedure.fragIdToHash(id)).when(msg).getPlanHash(anyInt());
        return msg;
    }

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    // Create the first fragment of a MP txn
    private FragmentTask createFrag(long localTxnId, long mpTxnId,
                                    TransactionTaskQueue queue,
                                    boolean forReplay)
    {
        FragmentTaskMessage msg = mock(FragmentTaskMessage.class);
        when(msg.getTxnId()).thenReturn(mpTxnId);
        when(msg.isForReplay()).thenReturn(forReplay);
        InitiatorMailbox mbox = mock(InitiatorMailbox.class);
        when(mbox.getHSId()).thenReturn(1337l);
        ParticipantTransactionState pft =
            new ParticipantTransactionState(localTxnId, msg);
        FragmentTask task =

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    // Create follow-on fragments of an MP txn
    private FragmentTask createFrag(TransactionState txn, long mpTxnId,
                                    TransactionTaskQueue queue)
    {
        FragmentTaskMessage msg = mock(FragmentTaskMessage.class);
        when(msg.getTxnId()).thenReturn(mpTxnId);
        InitiatorMailbox mbox = mock(InitiatorMailbox.class);
        when(mbox.getHSId()).thenReturn(1337l);
        FragmentTask task =
            new FragmentTask(mbox, (ParticipantTransactionState)txn, queue, msg, null);
        return task;

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        return msg;
    }


    private FragmentTaskMessage makeFragmentTaskMsg(boolean readOnly, boolean isFinal)
    {
        FragmentTaskMessage msg =
            new FragmentTaskMessage(0l, 0l, m_mpiTxnEgo.getTxnId(), 0l, readOnly, isFinal, false);
        return msg;
    }

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            Iv2InitiateTaskMessage msg = makeIv2InitiateTaskMsg(readOnly);
            return msg;
        }
        else if (!m_mpInProgress) {
            m_currentMpReadOnly = (m_rand.nextDouble() < READCHANCE);
            FragmentTaskMessage msg = makeFragmentTaskMsg(m_currentMpReadOnly, false);
            msg.setStateForDurability(mock(Iv2InitiateTaskMessage.class), Sets.newHashSet(0, 1, 2));
            m_mpInProgress = true;
            return msg;
        }
        else if (m_rand.nextDouble() > MPDONECHANCE) {
            // generate another MP fragment
            FragmentTaskMessage msg = makeFragmentTaskMsg(m_currentMpReadOnly, false);
            return msg;
        }
        else {
            // generate MP complete
            // fake restarts

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        }
    }


    Iv2RepairLogResponseMessage makeFragResponse(long handle)
    {
        FragmentTaskMessage frag = mock(FragmentTaskMessage.class);
        Iv2RepairLogResponseMessage m = mock(Iv2RepairLogResponseMessage.class);
        when(m.getPayload()).thenReturn(frag);
        when(m.getHandle()).thenReturn(-1L);
        when(m.getTxnId()).thenReturn(handle);
        return m;

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    Iv2RepairLogResponseMessage makeRealFragResponse(long requestId,
            long sourceHSId, int sequence, int ofTotal, long handle)
    {
        FragmentTaskMessage frag = mock(FragmentTaskMessage.class);
        when(frag.getInitiateTask()).thenReturn(mock(Iv2InitiateTaskMessage.class));
        Iv2RepairLogResponseMessage m = new Iv2RepairLogResponseMessage(requestId, sequence,
            ofTotal, handle, handle, frag);
        m.m_sourceHSId = sourceHSId;
        return m;
    }

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                // Not sure what to do in this event.  Crash for now
                throw new RuntimeException("Attempted to repair with a fragment we've already seen.");
            }
            needsRepair.remove(m_mailbox.getHSId());
            // make a copy because handleIv2 non-repair case does?
            FragmentTaskMessage localWork =
                new FragmentTaskMessage(message.getInitiatorHSId(),
                    message.getCoordinatorHSId(), message);
            doLocalFragmentOffer(localWork);
        }


        // is remote repair necessary?
        if (!needsRepair.isEmpty()) {
            FragmentTaskMessage replmsg =
                new FragmentTaskMessage(m_mailbox.getHSId(), m_mailbox.getHSId(), message);
            m_mailbox.send(com.google_voltpatches.common.primitives.Longs.toArray(needsRepair), replmsg);
        }
    }

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    // that gets created when the first batch arrives.
    // During command log replay a new SP handle is going to be generated, but it really
    // doesn't matter, it isn't going to be used for anything.
    void handleFragmentTaskMessage(FragmentTaskMessage message)
    {
        FragmentTaskMessage msg = message;
        long newSpHandle;
        if (m_isLeader) {
            // Quick hack to make progress...we need to copy the FragmentTaskMessage
            // before we start mucking with its state (SPHANDLE).  We need to revisit
            // all the messaging mess at some point.
            msg = new FragmentTaskMessage(message.getInitiatorHSId(),
                    message.getCoordinatorHSId(), message);
            //Not going to use the timestamp from the new Ego because the multi-part timestamp is what should be used
            if (!message.isReadOnly()) {
                TxnEgo ego = advanceTxnEgo();
                newSpHandle = ego.getTxnId();
            } else {
                newSpHandle = getMaxTaskedSpHandle();
            }
            msg.setSpHandle(newSpHandle);
            if (msg.getInitiateTask() != null) {
                msg.getInitiateTask().setSpHandle(newSpHandle);//set the handle
                //Trigger reserialization so the new handle is used
                msg.setStateForDurability(msg.getInitiateTask(), msg.getInvolvedPartitions());
            }


            /*
             * If there a replicas to send it to, forward it!
             * Unless... it's read only AND not a sysproc. Read only sysprocs may expect to be sent
             * everywhere.
             * In that case don't propagate it to avoid a determinism check and extra messaging overhead
             */
            if (m_sendToHSIds.length > 0 && (!msg.isReadOnly() || msg.isSysProcTask())) {
                FragmentTaskMessage replmsg =
                    new FragmentTaskMessage(m_mailbox.getHSId(),
                            m_mailbox.getHSId(), msg);
                m_mailbox.send(m_sendToHSIds,
                        replmsg);
                DuplicateCounter counter;
                /*

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Related Classes of org.voltdb.messaging.FragmentTaskMessage$FragmentData

org.voltdb.iv2.CompleteTransactionTask

org.voltdb.iv2.MpPromoteAlgo

org.voltdb.iv2.MpTransactionState

org.voltdb.iv2.MpTransactionTaskQueue

org.voltdb.iv2.RandomMsgGenerator

org.voltdb.iv2.ReplaySequencer

org.voltdb.iv2.Site

org.voltdb.iv2.SpScheduler

org.voltdb.iv2.TestMpPromoteAlgo

org.voltdb.iv2.TestMpTransactionState

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