analyzing-service-layer

To document service layer architecture, you analyze service classes, DTOs, mappers, and business formulas to generate structured markdown files. This creates an index, domain-specific sections, and a dependency graph under docs/unwind/layers/service-layer/ for reliable rebuilds.

The best way to catalog DTOs and mappers is to extract data contracts and mapping logic to preserve transformations across domains. The generated documentation captures these elements in dedicated dtos.md and mappers.md files, ensuring data contracts are clearly mapped for maintenance.

To extract and document business formulas from a service layer, analyze the codebase to document calculations with their original sources. The process outputs a formulas.md file that enforces mandatory tagging and records where each business rule originates.

Yes, generating a dependency graph for service classes maps transaction boundaries and public method dependencies. This graph is produced as part of the service-layer documentation set, helping teams map dependencies when migrating a monolith to microservices.

When analyzing a service layer for documentation, the process generates a complete set including index.md, services.md, dtos.md, mappers.md, formulas.md, and clients.md. These markdown files are output under docs/unwind/layers/service-layer/ for review and integration.