Transactional Business API
Research Question
Under a defined transactional workload and controlled conditions, how do Java, Python, and Rust differ in the expression, verification, and operational behavior of a bounded business API implementing validation, persistence, authorization, auditability, error handling, and recovery?
Scope
This application family covers a single bounded context: a transactional business API. It is intentionally limited to isolate language-level differences from architectural or infrastructure variation.
Out of scope: distributed system behavior, multi-tenant concerns, front-end rendering, and infrastructure provisioning.
Behavioral Contract
The behavioral contract defines the required inputs, outputs, state transitions, and error conditions that all implementations must satisfy. It is the basis for the shared verification suite.
Specification: Draft. Full behavioral contract not yet published.
Nonfunctional Envelope
Nonfunctional requirements (throughput targets, latency bounds, memory constraints, recovery time objectives) will be specified before implementation begins. Not yet published.
Reference Dataset
Reference datasets will be published with the behavioral contract. Not yet available.
Edge Cases
Edge case registry will be published with the behavioral contract. Not yet available.
Implementations
| Language | Status | Notes |
|---|---|---|
| Java | Planned | Implementation not yet started. |
| Python | Planned | Implementation not yet started. |
| Rust | Planned | Implementation not yet started. |
Verification Status
Verification not started.
The common verification suite will be executed after all implementations reach a buildable state.
Experiment Environment
Experiment environment specification (hardware, OS, runtime versions, container configuration, network topology) will be published before measurement begins. Not yet available.
Measurements
No measurements published.
Measurements will appear only after equivalence verification and environment normalization are complete.
Planned capability — not yet available.
Findings
No findings published.
Findings will be published after measurements are complete, reviewed, and interpreted with declared limitations.
Not yet published.
Limitations
Limitations will be documented as the study progresses. Not yet published.
Reproduction
Reproduction package not yet available.
A reproduction package containing all source code, verification suites, datasets, and environment specifications will be published alongside findings.
Planned capability.
Version History
| Version | Date | Author | Change |
|---|---|---|---|
| 0.1.0 | 2026-09-03 | xcodeflex research team | Initial structure created. Specification in draft. No implementations. |