Christoph Wagner
|
290a3bc99b
|
docs: add implementation plan with TDD methodology and architectural decisions
Create comprehensive project implementation plan and document architectural
review decisions with corrected analysis.
Implementation Plan (PROJECT_IMPLEMENTATION_PLAN.md):
- 10-12 week plan across 5 phases (87-99 person-days)
- 30+ detailed implementation tasks with owners and deliverables
- Sprint planning for 6 sprints (2-week each)
- Team structure: 4-6 developers + QA + DevOps
- Complete TDD methodology section (400+ lines)
* Red-Green-Refactor cycle with examples
* 4-hour TDD training workshop on Day 1
* Daily TDD workflow with Git commit patterns
* TDD acceptance criteria for all user stories
- Gitea-specific CI/CD configurations
* Option 1: Gitea Actions (.gitea/workflows/ci.yml)
* Option 2: Drone CI (.drone.yml)
* Coverage enforcement: 95% line, 90% branch
- Risk management, success criteria, deliverables checklist
Architectural Decisions (ARCHITECTURE_DECISIONS.md):
- Document all 10 stakeholder decisions on review findings
- Decision 1: Security (TLS/Auth) - DEFERRED to future release
- Decision 2: Buffer size - REJECTED (keep 300 messages)
- Decision 3: Single consumer thread - NOT AN ISSUE (corrected analysis)
* Original error: Assumed individual message sends (526 msg/s bottleneck)
* Corrected: Batch sending provides 952 msg/s throughput (sufficient)
* Key insight: Req-FR-31 (4MB batches) + Req-FR-32 (1s timeout)
- Decision 4: Circuit breaker - REJECTED (leave as-is)
- Decision 5: Exponential backoff - ACCEPTED (as separate adapter)
- Decision 6: Metrics endpoint - REJECTED (gRPC receiver responsibility)
- Decision 7: Graceful shutdown - REJECTED (not required)
- Decision 8: Rate limiting - ACCEPTED (implement)
- Decision 9: Backpressure - ACCEPTED (implement)
- Decision 10: Test coverage 95%/90% - ACCEPTED (raise targets)
- Updated architecture score: 6.5/10 → 7.0/10
|
2025-11-20 08:26:57 +01:00 |
|
Christoph Wagner
|
5b658e2468
|
docs: add architectural review and requirement refinement verification
Complete architectural analysis and requirement traceability improvements:
1. Architecture Review Report (NEW)
- Independent architectural review identifying 15 issues
- 5 critical issues: security (no TLS), buffer inadequacy, performance
bottleneck, missing circuit breaker, inefficient backoff
- 5 major issues: no metrics, no graceful shutdown, missing rate limiting,
no backpressure, low test coverage
- Overall architecture score: 6.5/10
- Recommendation: DO NOT DEPLOY until critical issues resolved
- Detailed analysis with code examples and effort estimates
2. Requirement Refinement Verification (NEW)
- Verified Req-FR-25, Req-NFR-7, Req-NFR-8 refinement status
- Added 12 missing Req-FR-25 references to architecture documents
- Confirmed 24 Req-NFR-7 references (health check endpoint)
- Confirmed 26 Req-NFR-8 references (health check content)
- 100% traceability for all three requirements
3. Architecture Documentation Updates
- system-architecture.md: Added 4 Req-FR-25 references for data transmission
- java-package-structure.md: Added 8 Req-FR-25 references across components
- Updated DataTransmissionService, GrpcStreamPort, GrpcStreamingAdapter,
DataConsumerService with proper requirement annotations
Files changed:
- docs/ARCHITECTURE_REVIEW_REPORT.md (NEW)
- docs/REQUIREMENT_REFINEMENT_VERIFICATION.md (NEW)
- docs/architecture/system-architecture.md (4 additions)
- docs/architecture/java-package-structure.md (8 additions)
All 62 requirements now have complete bidirectional traceability with
documented architectural concerns and critical issues identified for resolution.
|
2025-11-19 11:06:02 +01:00 |
|
Christoph Wagner
|
a7516834ad
|
feat: Complete HSP architecture design with full requirement traceability
Add comprehensive architecture documentation for HTTP Sender Plugin (HSP):
Architecture Design:
- Hexagonal (ports & adapters) architecture validated as highly suitable
- 7 port interfaces (3 primary, 4 secondary) with clean boundaries
- 32 production classes mapped to 57 requirements
- Virtual threads for 1000 concurrent HTTP endpoints
- Producer-Consumer pattern with circular buffer
- gRPC bidirectional streaming with 4MB batching
Documentation Deliverables (20 files, ~150 pages):
- Requirements catalog: All 57 requirements analyzed
- Architecture docs: System design, component mapping, Java packages
- Diagrams: 6 Mermaid diagrams (C4 model, sequence, data flow)
- Traceability: Complete Req→Arch→Code→Test matrix (100% coverage)
- Test strategy: 35+ test classes, 98% requirement coverage
- Validation: Architecture approved, 0 critical gaps, LOW risk
Key Metrics:
- Requirements coverage: 100% (57/57)
- Architecture mapping: 100%
- Test coverage (planned): 94.6%
- Critical gaps: 0
- Overall risk: LOW
Critical Issues Identified:
- Buffer size conflict: Req-FR-25 (300) vs config spec (300,000)
- Duplicate requirement IDs: Req-FR-25, Req-NFR-7/8, Req-US-1
Technology Stack:
- Java 25 (OpenJDK 25), Maven 3.9+, fat JAR packaging
- gRPC Java 1.60+, Protocol Buffers 3.25+
- JUnit 5, Mockito, WireMock for testing
- Compliance: ISO-9001, EN 50716
Status: Ready for implementation approval
|
2025-11-19 08:58:42 +01:00 |
|