@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());
}
}
@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);
}
}