SOA : Design Patterns : Legacy Encapsulation Design Patterns
Note : These are Design Patterns from "SOA Design Patterns" by Thomas Earl. The intent here is to simplify the patterns to a few lines so that they can be referred for a quick glance and also to document my experiences over time. This is by no means an effort to explain these patterns and I believe that the book has done an excellent job at that.
Legacy Wrapper
- Legacy systems expose the access through wrapper services which do not have a standardized contract and have tight contract to logic coupling and little abstraction.
- This is fixed by wrapping the legacy system with a new legacy wrapper service that has a standardized contract, loose coupling and abstraction.
Multi-Channel Endpoint
File Gateway
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