Examples with RollbackException org.datanucleus.transaction.RollbackException used on opensource projects

Example 1 with RollbackException

use of org.datanucleus.transaction.RollbackException in project datanucleus-core by datanucleus.

the class TransactionImpl method commit.

/**
 * Method to commit the transaction.
 */
public void commit() {
    if (!isActive()) {
        throw new TransactionNotActiveException();
    }
    // the exception and call rollback themselves. i.e we don't need to close the DB connection or set "active" to false.
    if (rollbackOnly) {
        // Throw an exception since can only exit via rollback
        if (NucleusLogger.TRANSACTION.isDebugEnabled()) {
            NucleusLogger.TRANSACTION.debug(Localiser.msg("015020"));
        }
        throw new NucleusDataStoreException(Localiser.msg("015020")).setFatal();
    }
    long startTime = System.currentTimeMillis();
    boolean success = false;
    // whether the transaction can be completed
    boolean canComplete = true;
    List<Throwable> errors = new ArrayList();
    try {
        // TODO Is this needed? om.preCommit will handle flush calls
        flush();
        internalPreCommit();
        internalCommit();
        success = true;
    } catch (RollbackException e) {
        // in Transaction.Synchronization and they should cascade up to user code
        if (NucleusLogger.TRANSACTION.isDebugEnabled()) {
            NucleusLogger.TRANSACTION.debug(StringUtils.getStringFromStackTrace(e));
        }
        errors.add(e);
    } catch (HeuristicRollbackException e) {
        // in Transaction.Synchronization and they should cascade up to user code
        if (NucleusLogger.TRANSACTION.isDebugEnabled()) {
            NucleusLogger.TRANSACTION.debug(StringUtils.getStringFromStackTrace(e));
        }
        errors.add(e);
    } catch (HeuristicMixedException e) {
        // in Transaction.Synchronization and they should cascade up to user code
        if (NucleusLogger.TRANSACTION.isDebugEnabled()) {
            NucleusLogger.TRANSACTION.debug(StringUtils.getStringFromStackTrace(e));
        }
        errors.add(e);
    } catch (NucleusUserException e) {
        // they must be cascade up to user code and transaction is still alive
        if (NucleusLogger.TRANSACTION.isDebugEnabled()) {
            NucleusLogger.TRANSACTION.debug(StringUtils.getStringFromStackTrace(e));
        }
        canComplete = false;
        throw e;
    } catch (NucleusException e) {
        // in Transaction.Synchronization and they should cascade up to user code
        if (NucleusLogger.TRANSACTION.isDebugEnabled()) {
            NucleusLogger.TRANSACTION.debug(StringUtils.getStringFromStackTrace(e));
        }
        errors.add(e);
    } finally {
        if (canComplete) {
            try {
                if (!success) {
                    rollback();
                } else {
                    internalPostCommit();
                }
            } catch (Throwable e) {
                errors.add(e);
            }
        }
    }
    if (!errors.isEmpty()) {
        throw new NucleusTransactionException(Localiser.msg("015007"), errors.toArray(new Throwable[errors.size()]));
    }
    if (NucleusLogger.TRANSACTION.isDebugEnabled()) {
        NucleusLogger.TRANSACTION.debug(Localiser.msg("015022", System.currentTimeMillis() - startTime));
    }
}