Designing a Unified Structural Template for Multi‑Module Business Applications
The article proposes a unified structural template that links business and technical architectures for multi‑module applications, revisiting the VSEF framework with client and business‑logic modules, handling concerns such as exceptions, idempotency and concurrency, using a simple Request/Result model, and demonstrating its reuse through price‑insurance and Groupon case studies, enabling rapid, container‑like service initialization while preserving clear separation of logic and infrastructure.
This article explores a unified structural template that bridges business architecture and technical architecture when multiple business modules are deployed within a single application system.
It revisits the overall structure of the VSEF (Simple Application Framework) and presents the two main modules: vsef‑archetypes‑client (client) and vsef‑archetypes‑application (business logic).
The execution template addresses common concerns such as exception handling, idempotency, concurrency locking, component protocol provision, and database/message operations.
Model abstraction is kept simple: a Request and a Result without inheritance constraints, allowing easy integration of processing templates.
Two concrete case studies are described:
Price Insurance (priceinsurance) : a workflow that recalculates price differences after order placement, using an API‑aggregation strategy, extension services (ext, plugins, sdk), and a business‑identity capability.
Groupon : a scenario where merchants submit discounts, orders are held, and a group succeeds when the required number of participants is reached, illustrating business scripts, sub‑process chaining, and data service decoupling.
The article concludes that the same structural template can be applied to various business modules, similar to Docker’s container concept, enabling rapid initialization of new services while maintaining a clear boundary between business logic and infrastructure.
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