How do you process messages in parallel while ensuring FIFO per entity?

Question

Let\'s say you have an entity, say, \"Person\" in your system and you want to process events that modify various Person entities. It is important that:

• Events

Answer 1

It looks like JMSXGroupID is what I'm looking for. From the ActiveMQ docs:

http://activemq.apache.org/message-groups.html

Their example use case with stock prices is exactly what I'm after. My only concern is what happens if the single consumer dies. Hopefully the broker will detect that and pick another consumer to associate with that group id.