Examples with Transaction org.apache.nifi.admin.service.transaction.Transaction used on opensource projects

Example 6 with Transaction

use of org.apache.nifi.admin.service.transaction.Transaction in project nifi by apache.

the class StandardAuditService method addActions.

@Override
public void addActions(Collection<Action> actions) {
    Transaction transaction = null;
    writeLock.lock();
    try {
        // start the transaction
        transaction = transactionBuilder.start();
        // seed the accounts
        AddActionsAction addActions = new AddActionsAction(actions);
        transaction.execute(addActions);
        // commit the transaction
        transaction.commit();
    } catch (TransactionException | DataAccessException te) {
        rollback(transaction);
        throw new AdministrationException(te);
    } catch (Throwable t) {
        rollback(transaction);
        throw t;
    } finally {
        closeQuietly(transaction);
        writeLock.unlock();
    }
}

Example 7 with Transaction

use of org.apache.nifi.admin.service.transaction.Transaction in project nifi by apache.

the class StandardAuditService method getAction.

@Override
public Action getAction(Integer actionId) {
    Transaction transaction = null;
    Action action = null;
    readLock.lock();
    try {
        // start the transaction
        transaction = transactionBuilder.start();
        // seed the accounts
        GetActionAction getAction = new GetActionAction(actionId);
        action = transaction.execute(getAction);
        // commit the transaction
        transaction.commit();
    } catch (TransactionException | DataAccessException te) {
        rollback(transaction);
        throw new AdministrationException(te);
    } catch (Throwable t) {
        rollback(transaction);
        throw t;
    } finally {
        closeQuietly(transaction);
        readLock.unlock();
    }
    return action;
}

Example 8 with Transaction

use of org.apache.nifi.admin.service.transaction.Transaction in project nifi by apache.

the class StandardAuditService method getPreviousValues.

@Override
public Map<String, List<PreviousValue>> getPreviousValues(String componentId) {
    Transaction transaction = null;
    Map<String, List<PreviousValue>> previousValues = null;
    readLock.lock();
    try {
        // start the transaction
        transaction = transactionBuilder.start();
        // seed the accounts
        GetPreviousValues getActions = new GetPreviousValues(componentId);
        previousValues = transaction.execute(getActions);
        // commit the transaction
        transaction.commit();
    } catch (TransactionException | DataAccessException te) {
        rollback(transaction);
        throw new AdministrationException(te);
    } catch (Throwable t) {
        rollback(transaction);
        throw t;
    } finally {
        closeQuietly(transaction);
        readLock.unlock();
    }
    return previousValues;
}