ismasan
A little (naive) order fulfilment flow for my Ruby event sourcing demo
Jun 10 at 12:33pmWeb
Show threadismasanJun 10
Many ways to do this, but the Order actor reacts to its own "ItemFulfilled" events, and if all line items have been fulfilled, then it schedules a command to fulfil itself.
Show threadismasanJun 10
Why does the FulfillOrder command handler also check whether all items are fulfilled? Because that might have changed in the meantime. Eventual consistency is fun!
Show threadismasanJun 10
And a (simulated) payment workflow that runs concurrently from order fulfilment