コード例 #1
0
 @Override
 public void abortTransaction(ITransactionContext txnCtx, DatasetId datasetId, int PKHashVal)
     throws ACIDException {
   if (txnCtx.getTxnState() != ITransactionManager.ABORTED) {
     txnCtx.setTxnState(ITransactionManager.ABORTED);
   }
   try {
     if (txnCtx.isWriteTxn()) {
       LogRecord logRecord = ((TransactionContext) txnCtx).getLogRecord();
       logRecord.formJobTerminateLogRecord(txnCtx, false);
       txnSubsystem.getLogManager().log(logRecord);
       txnSubsystem.getRecoveryManager().rollbackTransaction(txnCtx);
     }
   } catch (Exception ae) {
     String msg = "Could not complete rollback! System is in an inconsistent state";
     if (LOGGER.isLoggable(Level.SEVERE)) {
       LOGGER.severe(msg);
     }
     ae.printStackTrace();
     throw new ACIDException(msg, ae);
   } finally {
     ((TransactionContext) txnCtx).cleanupForAbort();
     txnSubsystem.getLockManager().releaseLocks(txnCtx);
     transactionContextRepository.remove(txnCtx.getJobId());
   }
 }
コード例 #2
0
 @Override
 public void commitTransaction(ITransactionContext txnCtx, DatasetId datasetId, int PKHashVal)
     throws ACIDException {
   // Only job-level commits call this method.
   try {
     if (txnCtx.isWriteTxn()) {
       LogRecord logRecord = ((TransactionContext) txnCtx).getLogRecord();
       logRecord.formJobTerminateLogRecord(txnCtx, true);
       txnSubsystem.getLogManager().log(logRecord);
     }
   } catch (Exception ae) {
     if (LOGGER.isLoggable(Level.SEVERE)) {
       LOGGER.severe(" caused exception in commit !" + txnCtx.getJobId());
     }
     throw ae;
   } finally {
     txnSubsystem.getLockManager().releaseLocks(txnCtx); // release
     transactionContextRepository.remove(txnCtx.getJobId());
     txnCtx.setTxnState(ITransactionManager.COMMITTED);
   }
 }