Examples of com.sleepycat.je.txn.Txn$DatabaseCleanupInfo

com.sleepycat.je.txn.Txn
Store information about a DatabaseImpl that will have to be purged at transaction commit or abort. This handles cleanup after operations like Environment.truncateDatabase, Environment.removeDatabase. Cleanup like this is done outside the usual transaction commit or node undo processing, because the mapping tree is always auto Txn'ed to avoid deadlock and is essentially non-transactional.

     * Used to get the Transaction object given an XA Xid.
     */
    public Transaction getXATransaction(Xid xid)
  throws DatabaseException {


  Txn ret = environmentImpl.getTxnManager().getTxnFromXid(xid);
  if (ret == null) {
      return null;
  }
  /* Do we guarantee object identity for Transaction objects? */
  return new Transaction(this, ret);

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                    abortKnownDeleted =
                        ((entryBuffer.get() & ABORT_KNOWN_DELETED_MASK) != 0) ?
                        true : false;


                    /* Locker */
                    txn = new Txn();
                    txn.readFromLog(entryBuffer, entryTypeVersion);
                }
            } else {


                /*

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        long prepareId = reader.getTxnPrepareId();
        Long prepareIdL = new Long(prepareId);
        if (!committedTxnIds.contains(prepareIdL) &&
      !abortedTxnIds.contains(prepareIdL)) {
      TransactionConfig txnConf = new TransactionConfig();
      Txn preparedTxn = new Txn(env, txnConf, prepareId);
      preparedTxn.setLockTimeout(0);
      preparedTxns.put(prepareIdL, preparedTxn);
      env.getTxnManager().registerXATxn
          (reader.getTxnPrepareXid(), preparedTxn, true);
      Tracer.trace(Level.INFO, env,
             "Found unfinished prepare record: id: " +

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                     * non-transactional LN, redo it.
                     */
        boolean processThisLN = false;
        boolean lnIsCommitted = false;
        boolean lnIsPrepared = false;
        Txn preparedTxn = null;
        if (txnId == null) {
      processThisLN = true;
        } else {
      lnIsCommitted = committedTxnIds.contains(txnId);
      if (!lnIsCommitted) {
          preparedTxn = (Txn) preparedTxns.get(txnId);
          lnIsPrepared = preparedTxn != null;
      }
      if (lnIsCommitted || lnIsPrepared) {
          processThisLN = true;
      }
        }
        if (processThisLN) {


                        /* Invoke the evictor to reduce memory consumption. */
                        env.invokeEvictor();


                        LN ln = reader.getLN();
                        DatabaseId dbId = reader.getDatabaseId();
                        DatabaseImpl db = dbMapTree.getDb(dbId);
                        long logLsn = reader.getLastLsn();
                        long treeLsn = DbLsn.NULL_LSN;


                        /* Database may be null if it's been deleted. */
                        if (db != null) {
                            ln.postFetchInit(db, logLsn);


          if (preparedTxn != null) {
        preparedTxn.addLogInfo(logLsn);


        /*
         * We're reconstructing a prepared, but not
         * finished, transaction.  We know that there
         * was a write lock on this LN since it exists
         * in the log under this txnId.
         */
        preparedTxn.lock
                                    (ln.getNodeId(), LockType.WRITE,
                                     false /*noWait*/, db);
        preparedTxn.setPrepared(true);
          }


                            treeLsn = redo(db,
                                           location,
                                           ln,

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             * back or one done on the behalf of a null txn.
             */
            LogEntryType entryType;
            long logAbortLsn;
            boolean logAbortKnownDeleted;
            Txn logTxn;
            if (locker.isTransactional()) {
                entryType = LogEntryType.LOG_DEL_DUPLN_TRANSACTIONAL;
    WriteLockInfo info = locker.getWriteLockInfo(getNodeId());
    logAbortLsn = info.getAbortLsn();
    logAbortKnownDeleted = info.getAbortKnownDeleted();

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        throws DatabaseException {


        LogEntryType entryType;
        long logAbortLsn;
  boolean logAbortKnownDeleted;
        Txn logTxn;
        if (locker != null && locker.isTransactional()) {
            entryType = getTransactionalLogType();
      WriteLockInfo info = locker.getWriteLockInfo(getNodeId());
      logAbortLsn = info.getAbortLsn();
      logAbortKnownDeleted = info.getAbortKnownDeleted();

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            abortKnownDeleted =
                ((entryBuffer.get() & ABORT_KNOWN_DELETED_MASK) != 0) ?
                true : false;


            /* Locker. */
            txn = new Txn();
            txn.readFromLog(entryBuffer, logVersion);
        }


        if (unpacked) {
            if (!readFullItem) {

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         */
        tracker.truncateFromHead(deleteEnd, deleteFileNum);


        TransactionConfig config = new TransactionConfig();
        config.setDurability(Durability.COMMIT_NO_SYNC);
        Txn txn = Txn.createLocalTxn(envImpl, config);
        boolean success = false;
        try {
            synchronized (flushSynchronizer) {
                pruneDatabaseHead(deleteEnd, deleteFileNum, txn);
                flushToDatabase(txn);
            }
            txn.commit();
            success = true;
        } finally {
            if (!success) {
                txn.abort();
            }
        }
    }

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        tracker.truncateFromTail(deleteStart, lastLsn);


        TransactionConfig config = new TransactionConfig();
        config.setDurability(Durability.COMMIT_NO_SYNC);
        Txn txn = Txn.createLocalTxn(envImpl, config);
        boolean success = false;
        try {
            pruneDatabaseTail(deleteStart, lastLsn, txn);
            flushToDatabase(txn);
            txn.commit();
            success = true;
        } finally {
            if (!success) {
                txn.abort();
            }
        }
    }

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         * The mappings in the recovery tracker should overwrite those in the
         * VLSN index.
         */
        TransactionConfig config = new TransactionConfig();
        config.setDurability(Durability.COMMIT_NO_SYNC);
        Txn txn = Txn.createLocalTxn(envImpl, config);
        boolean success = false;
        VLSN lastOnDiskVLSN;
        try {
            lastOnDiskVLSN = pruneDatabaseTail(recoveryFirst, DbLsn.NULL_LSN,
                                               txn);
            tracker.merge(lastOnDiskVLSN, recoveryTracker);
            flushToDatabase(txn);
            txn.commit();
            success = true;
        } finally {
            if (!success) {
                txn.abort();
            }
        }
    }

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Related Classes of com.sleepycat.je.txn.Txn$DatabaseCleanupInfo

com.sleepycat.je.Database

com.sleepycat.je.dbi.CursorImpl

com.sleepycat.je.dbi.DatabaseId

com.sleepycat.je.dbi.DatabaseImpl

com.sleepycat.je.Environment

com.sleepycat.je.log.entry.LNLogEntry

com.sleepycat.je.log.entry.SingleItemEntry

com.sleepycat.je.log.LNFileReaderTest

com.sleepycat.je.log.LogContext

com.sleepycat.je.log.LogItem

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