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design-patternsdomain-driven-designdryaggregaterootvalue-objects

DDD - Share or duplicate a value object to be used between two aggregate roots?

If I have a payment value object can it be shared by two different aggregate roots? or should I duplicate it?

Both options feel wrong!

Solution

  • As long as your VO is immutable, you can share it without any issues. However, Evans prohibits sharing mutable VOs and I think you will also agree with that.