Wait, there's an 'ECS with Isolated Synchronization Logic Pattern'? Sounds like the engineers had a field day coming up with that one. I bet they're real fun at parties.
I'm leaning towards option G - the 'read-through caching' approach. Seems like a smart way to handle a large database without having to sync the whole thing. And only fetching individual records as needed is efficient.
Haha, 'ERP system' and 'external system/database' - I feel like that's half the questions on these exams these days. Gotta love all the enterprise integrations we have to deal with.
E) ... caches only summary data that is frequently lister, joined or searched. Full detail for a single entry is fetched directly from external system. Use when whole database too big or costly to synchronize. Details are only required for single entities (not lists)
A) Same as ECS with local replica but synchronization logic is separated. Pro: Code independence. Consumers of CS is not affected by Sync. Sync can orchestrate several CS
Option H looks interesting too. A 'connector module' to encapsulate the external API, and a 'wrapper module' to expose the normalized API - that seems to fit the pattern description pretty well.
Yes, Option H seems like a good choice for Core Module Pattern - ECS with Isolated Synchronization Logic Pattern. It helps in encapsulating the external API and providing a normalized API to consumers.
Option H looks interesting too. A 'connector module' to encapsulate the external API, and a 'wrapper module' to expose the normalized API - that seems to fit the pattern description pretty well.
The Core Module Pattern - ECS with Isolated Synchronization Logic Pattern sounds a lot like option A. It mentions separating the synchronization logic, which aligns with the 'Sync can orchestrate several CS' part of the description. Definitely worth a closer look.
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