Examples of org.apache.derby.iapi.store.raw.log.LogInstant

Package org.apache.derby.iapi.store.raw.log

Examples of org.apache.derby.iapi.store.raw.log.LogInstant

org.apache.derby.iapi.store.raw.log.LogInstant
Describes a position in the log.

        instant = logFactory.
          appendLogRecord(logOutputBuffer.getByteArray(), 
                  0, completeLength, null, 0, 0);
      }


      LogInstant logInstant = new LogCounter(instant);


      if (SanityManager.DEBUG)
            {
                if (SanityManager.DEBUG_ON(LogToFile.DBG_FLAG))
                {
                    SanityManager.DEBUG(
                        LogToFile.DBG_FLAG, 
                        "Write CLR: Xact: " + transactionId.toString() +
                        "clrinstant: " + logInstant.toString() + 
                        " undoinstant " + undoInstant + "\n");
                }
      }


      try

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      synchronized(droppedTableStubInfo)
      {
        for (Enumeration<LogInstant> e = droppedTableStubInfo.keys(); 
                     e.hasMoreElements(); ) 
        {
          LogInstant logInstant  = e.nextElement();
          if(logInstant.lessThan(redoLWM))
          {
            
            Object[] removeInfo = 
                            droppedTableStubInfo.get(logInstant);
            Object identity = removeInfo[1];

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    // force WAL - and check to see if database is corrupt or is frozen.
    // last log Instant may be null if the page is being forced
    // to disk on a createPage (which violates the WAL protocol actually).
    // See FileContainer.newPage
    LogInstant flushLogTo = getLastLogInstant();
    dataFactory.flush(flushLogTo);


    if (flushLogTo != null) 
        {          
      clearLastLogInstant();

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  private void doAction(RawTransaction t, BasePage page, Loggable lop)
     throws StandardException
  {
    long oldversion = 0;    // sanity check
    LogInstant oldLogInstant = null; // sanity check
    if (SanityManager.DEBUG)
    {
      oldLogInstant = page.getLastLogInstant();
      oldversion = page.getPageVersion();
    }


    // mark the page as pre-dirtied so that if a checkpoint happens after
    // the log record is sent to the log stream, the cache cleaning will
    // wait for this change.
    page.preDirty();


    t.logAndDo(lop);


    if (SanityManager.DEBUG) {
      // log instant may not supported by underlying log factory, in that
      // case, it is expected to stay null
      if (oldLogInstant != null &&  page.getLastLogInstant() != null &&
              ! oldLogInstant.lessThan(page.getLastLogInstant()))
        SanityManager.THROWASSERT(
                 "old log instant = " + oldLogInstant + 
                 " lastlog = " + page.getLastLogInstant() );


      SanityManager.ASSERT(

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    DataFactory         df,
    TransactionFactory  tf,
    boolean             wait)
     throws StandardException
  {
    LogInstant  redoLWM;


        // we may be called to stop the database after a bad error, make sure
    // logout is set
    if (logOut == null)
    {

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    if (state == ACTIVE)
      setUpdateState();


    seenUpdates = true;
    
    LogInstant clrInstant = logger.logAndUndo(this, compensation, undoInstant, in);


    setLastLogInstant(clrInstant);


    // set the top savepoint to rollback to this record if it doesn't yet have a point saved
    if ((savePoints != null) && !savePoints.empty()) {

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   * @see Transaction#commit
     **/
  private LogInstant prepareCommit(int commitflag) 
        throws StandardException 
    {
    LogInstant flushTo = null;


    if (state == CLOSED)
        {
      throw StandardException.newException(
                    SQLState.XACT_PROTOCOL_VIOLATION_DETAILED,

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    {
      if (SanityManager.DEBUG_ON("XATrace"))
        SanityManager.DEBUG("XATrace","commiting ");
    }


        LogInstant flushTo = prepareCommit(commitflag);


        completeCommit(commitflag);


        return(flushTo);
  }

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      @exception StandardException  Standard Derby exception policy
    @see Transaction#logAndDo 
  */
  public void logAndDo(Loggable operation) throws StandardException {


    LogInstant instant = null;


    if (logger == null)
      getLogger();


    if (logger == null)

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    if (release) {
      savePoints.setSize(position);
      return false;
    }


    LogInstant rollbackTo = null;


    int size = savePoints.size();
    for (int i = position; i < size; i++) {
      SavePoint rollbackSavePoint = savePoints.elementAt(i);


      LogInstant li = rollbackSavePoint.getSavePoint();
      if (li != null) {
        rollbackTo = li;
        break;
      }
    }

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Related Classes of org.apache.derby.iapi.store.raw.log.LogInstant

org.apache.derby.impl.store.raw.data.BaseDataFileFactory

org.apache.derby.impl.store.raw.data.CachedPage

org.apache.derby.impl.store.raw.data.LoggableActions

org.apache.derby.impl.store.raw.data.LogicalUndoOperation

org.apache.derby.impl.store.raw.data.PhysicalUndoOperation

org.apache.derby.impl.store.raw.log.FileLogger

org.apache.derby.impl.store.raw.log.FlushedScan

org.apache.derby.impl.store.raw.log.LogToFile

org.apache.derby.impl.store.raw.RawStore

org.apache.derby.impl.store.raw.xact.TransactionTable

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