Propagation of Oracle Transactions Between C++ and Java

Question

We have an existing C++ application that we are going to gradually replace with a new Java-based system. Until we have completely reimplemented everything in Java we expect the

Answer 1

I have been using Hazlecast Messaging and Distributed memory locks to solve some of these concerns, however using such a tool would require that you redisign your software in those parts where you touch the same data. C++ client docs here Java client here

Oracle also has a similar product called Oracle Coherence that may help you, see locking in the dev guide.

Also the database contains a MQ system called Oracle Streams Advanced queueing ( transactional persistent queues) that might help you in some situations. Oracle AQ integrates well with Oracle triggers.

Additionally there is the Database Change Notification that may help you update caches or notify processes of updates, this can be used together with the Optimistic Offline Lock pattern.

See also Software transactional memory

Apache Zookeeper can also help you with distributed locking.