Issue #931 add peek method to txn queue
Issue #931 add peek method to txn queue
Issue #931 add peek method to txn queue
Issue #931 add peek method to txn queue
Issue #931 add peek method to txn queue
Issue #931 remove txMap put line
Merge pull request #949 from ahmetmircik/transactionalQueuePeek

Issue #931 Transactional queue peek method