Examples with GetOrCreateKeyAction org.apache.nifi.admin.service.action.GetOrCreateKeyAction used on opensource projects

Example 1 with GetOrCreateKeyAction

use of org.apache.nifi.admin.service.action.GetOrCreateKeyAction in project nifi by apache.

the class StandardKeyService method getOrCreateKey.

@Override
public Key getOrCreateKey(String identity) {
    Transaction transaction = null;
    Key key = null;
    writeLock.lock();
    try {
        // start the transaction
        transaction = transactionBuilder.start();
        // get or create a key
        GetOrCreateKeyAction addActions = new GetOrCreateKeyAction(identity);
        key = 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();
    }
    return key;
}