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Microservices patterns

Service boundaries, discovery, inter-service calls, and decomposition patterns.

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Microservices patterns easy

How to Use the Adapter Pattern to Mock a Legacy System in Python

This code demonstrates the Adapter pattern, allowing a modern interface to interact with a legacy system by wrapping its outdated method.

adapter-pattern design-patterns legacy
Python
class LegacySystem:
    def legacy_method(self, data):
        return f"Legacy processed: {data}"

class ModernInterface:
    def process(self, data):
        raise NotImplementedError

class Adapter(ModernInterface):
    def __init__(self, legacy):
        self.legacy = legacy

    def process(self, data):
        re…
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