Esempio n. 1
0
  @Override
  public void run(SiteProcedureConnection siteConnection) {
    hostLog.debug("STARTING: " + this);
    if (!m_txnState.isReadOnly()) {
      // the truncation point token SHOULD be part of m_txn. However, the
      // legacy interaces don't work this way and IV2 hasn't changed this
      // ownership yet. But truncateUndoLog is written assuming the right
      // eventual encapsulation.
      siteConnection.truncateUndoLog(
          m_completeMsg.isRollback(),
          m_txnState.getBeginUndoToken(),
          m_txnState.m_spHandle,
          m_txnState.getUndoLog());
    }
    if (!m_completeMsg.isRestart()) {
      doCommonSPICompleteActions();

      // Log invocation to DR
      logToDR(siteConnection.getDRGateway());
      hostLog.debug("COMPLETE: " + this);
    } else {
      // If we're going to restart the transaction, then reset the begin undo token so the
      // first FragmentTask will set it correctly.  Otherwise, don't set the Done state or
      // flush the queue; we want the TransactionTaskQueue to stay blocked on this TXN ID
      // for the restarted fragments.
      m_txnState.setBeginUndoToken(Site.kInvalidUndoToken);
      hostLog.debug("RESTART: " + this);
    }

    final CompleteTransactionResponseMessage resp =
        new CompleteTransactionResponseMessage(m_completeMsg);
    resp.m_sourceHSId = m_initiator.getHSId();
    m_initiator.deliver(resp);
  }
Esempio n. 2
0
 @Override
 public void runFromTaskLog(SiteProcedureConnection siteConnection) {
   if (!m_txnState.isReadOnly()) {
     // the truncation point token SHOULD be part of m_txn. However, the
     // legacy interaces don't work this way and IV2 hasn't changed this
     // ownership yet. But truncateUndoLog is written assuming the right
     // eventual encapsulation.
     siteConnection.truncateUndoLog(
         m_completeMsg.isRollback(),
         m_txnState.getBeginUndoToken(),
         m_txnState.m_spHandle,
         m_txnState.getUndoLog());
   }
   if (!m_completeMsg.isRestart()) {
     // this call does the right thing with a null TransactionTaskQueue
     doCommonSPICompleteActions();
     logToDR(siteConnection.getDRGateway());
   } else {
     m_txnState.setBeginUndoToken(Site.kInvalidUndoToken);
   }
 }