Legacy class implements my interface and everytime I change my interface, i had to change the legacy class as well to provide a default implementation and to get rid of my compilation issues
I want a default implementation to be applied to this legacy class whenever I add new methods to my interface.
And, I still want the legacy class to be a child of my interface
How do I get around this problem.?
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Found a fine solution with Java Dynamic Proxies.
The idea is to convert the mock implementation to a adapter to a proxy implementation.
The proxy by default will provide all dummy implementations for the interface. The dynamic invocation will check if a method is available via Adapter and if so it will invoke the adapted method, otherwise default proxy implementation will be invoked.
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