transactionIsolation = TransactionIsolation.customLevel(transactionIsolationString);
transactionIsolation = TransactionIsolation.customLevel(transactionIsolationString);
if (transactionIsolation == null) transactionIsolation = TransactionIsolation.customLevel(str);
if (transactionIsolation == null) transactionIsolation = TransactionIsolation.customLevel(str);
transactionIsolation = TransactionIsolation.customLevel(transactionIsolationString);
transactionIsolation = TransactionIsolation.customLevel(transactionIsolationString);
transactionIsolation = TransactionIsolation.customLevel(transactionIsolationString);
transactionIsolation = TransactionIsolation.customLevel(transactionIsolationString);