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ddd-check-full

Testing & Quality
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Full-project DDD compliance audit — scans ALL Java files against every DDD layer rule. Use for architecture reviews, onboarding, and pre-release checks.

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How to use this skill

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  2. Copy the prompt below and paste it into your agent.
  3. Review the proposed files and risks before you approve installation.
Prompt to paste
I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/aiskillstore/marketplace/blob/HEAD/skills/bookiosk/ddd-check-full/SKILL.md

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

DDD Full-Project Compliance Audit

Deep scan of every Java file against all DDD rules. Use for architecture review, refactoring assessment, or pre-release audit.

Trigger

Run when user says "full DDD audit", "check entire project", "architecture review", or "DDD compliance report".

Workflow

Step 1: Discover All Java Files

find . -name "*.java" -not -path "*/target/*" -not -path "*/test/*" | sort

Count files and estimate: "Scanning {N} files across {M} layers..."

Step 2: Load All Rule Files

Read EVERY rule file at rules/:

  • rules/domain-layer.md
  • rules/application-layer.md
  • rules/adaptor-layer.md
  • rules/infrastructure-layer.md
  • rules/client-layer.md
  • rules/model-layer.md
  • rules/anti-patterns.md

Plus reference files if needed:

  • references/base-classes-reference.md
  • references/exception-handling.md

Step 3: Layer-by-Layer Audit

Group files by layer. For each layer:

  1. Package check — all files in correct package?
  2. Base class check — all classes extend correct base?
  3. Naming check — classes/methods follow DDD naming conventions?
  4. Dependency check — no illegal cross-layer imports?
  5. Structural check — aggregates, entities, value objects structured correctly?
  6. Exception mode check — 阻断型 throws, 分支型 returns ResultDO?

Step 4: Cross-Layer Checks

  • Dependency direction: Run grep -r "import org\.bookiosk\.ddd\." on each layer, verify no reverse dependencies
  • Missing patterns: Are there layers with zero classes? Missing base classes?
  • Anemic model detection: Any domain class with only getters/setters and no behavior methods?
  • Exception boundary: Is APP catching Domain/Adaptor exceptions? Is any layer throwing across boundaries?

Step 5: Report

Format as comprehensive report:

# DDD Full Compliance Audit
Project: {name} | Files: {N} | Layers: {M} | Date: {date}

## Executive Summary
- Total violations: {X} (CRITICAL: {a}, HIGH: {b}, MEDIUM: {c}, LOW: {d})
- Compliance score: {Y}%
- Worst layer: {layer}

## By Layer

### Domain Layer (N files, X violations)
| File | Severity | Issue | Fix |
|------|----------|-------|-----|
| Order.java | CRITICAL | setId public | Change to protected |
| ... | | | |

### Application Layer (N files, X violations)
...

## Anti-Patterns Found
{list of anti-patterns detected with file locations}

## Dependency Graph (ascii)
common
  ↑
domain ← infrastructure
  ↑
application
  ↑
client

## Recommendations
1. {Top priority fix}
2. {Second priority fix}
...

Severity

LevelCriteria
CRITICALArchitecture violation — wrong layer dependency, missing required base class, domain depends on infrastructure
HIGHRule violation — wrong naming, public identity setter, domain service with no behavior
MEDIUMConvention deviation — anemic entity, missing Field wrapper, no JavaDoc on public API
LOWStyle — inconsistent formatting, missing @Override

Key Checks by Layer

Domain Layer (MOST CRITICAL):

  • All aggregates extend BaseAggregate<ID>
  • All entities extend BaseEntity<ID>
  • All value objects extend BaseValue
  • setId() is protected, not public
  • No infrastructure imports (no Mapper, no JPA, no SQL)
  • Repository interfaces extend AggregateRepository<T, ID, Q>
  • External calls go through GatewayI interfaces
  • Aggregate methods = business behaviors, not CRUD
  • Design patterns FORBIDDEN in domain (Strategy, Factory, etc.)
  • 阻断型 throws exception, 分支型 returns ResultDO (see references/exception-handling.md)

Application Layer:

  • Cmd services extend ApplicationCmdService
  • Qry services extend ApplicationQueryService
  • APP catches Domain/Adaptor exceptions, converts to ResultDO
  • APP never throws exceptions to Adaptor

Infrastructure Layer:

  • Repository impls in correct package
  • PO classes separate from domain objects
  • Converter/Assembler between PO and domain
  • LevelLock implementations are concrete (extend abstract class)
  • All GatewayI implementations here, not in domain

Client Layer:

  • All DTOs extend BaseDTO
  • No domain classes exposed in DTOs
  • Client module is deployable standalone (no domain imports)

Important

  • Always reference the specific rule section when flagging violations (e.g. "rules/domain-layer.md Section A.3")
  • Suggest the exact fix, not just the problem
  • Prioritize CRITICAL issues — architecture decay is harder to fix later
  • A perfect score is rare — focus on actionable items