---
title: "adam bien's blog"
url: https://daily.dev/posts/adam-bien-s-blog-zi0voiad2
source_url: https://adambien.blog/roller/abien/entry/inside_a_business_component_bc__boundary_control_entity_bce_
type: article
source: "Jakarta EE"
published: 2026-07-25T07:20:40.643Z
updated: 2026-07-25T09:17:59.607Z
tags: ["java", "architecture", "spec-driven-development"]
reading_time: 3
upvotes: 0
comments: 0
language: en
---

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# adam bien's blog

**[Jakarta EE](https://daily.dev/sources/jakartaee)** · 3 min read · 0 upvotes · 0 comments

## Summary

SBCE (Spec-Driven BCE) is a workflow where every capability is declared as a single spec living in a Java package's package-info.java file using Markdown JavaDoc (JEP 467). The spec defines boundary operations and EARS requirements in a transport-neutral, 'what not how' style. It ships as an AIrails AI skill (~4,000 tokens) with two modes: /sbce new to declare and scaffold a new business component, and /sbce apply to converge code to the spec by generating missing methods/tests and surfacing undeclared code as drift. The approach relies entirely on established standards (EARS, JavaDoc, BCE pattern) already present in LLM weights, avoiding custom DSLs.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://adambien.blog/roller/abien/entry/inside_a_business_component_bc__boundary_control_entity_bce_>

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---

Tags: [#java](https://daily.dev/tags/java), [#architecture](https://daily.dev/tags/architecture), [#spec-driven-development](https://daily.dev/tags/spec-driven-development)

[View this post on daily.dev](https://daily.dev/posts/adam-bien-s-blog-zi0voiad2)