DongHyeonkaandClaude Opus 5
b2963105a8
The keycloak project ended with four open questions that design could not
settle. A two-VM lab was built to answer them by measurement, and this is
that material: 26 experiments, 125 raw command outputs, 22 browser captures.
Follows the import procedure in README.md.
source/ the originating repository verbatim — 78 documents, 28 SVGs,
8 manifests, plus .source-revision recording the commit
final/ the SSOT
document.md 729 lines written from the 29 experiment documents, not
concatenated: what was predicted, what was measured, and
where the measurement itself was wrong
evidence/raw 125 outputs, flattened to <experiment>__<file> because
the originals collided (01-baseline.txt appeared three
times) and the audit only globs the top level
evidence/meta one per raw file; command and exitCode are null and the
README says why rather than inventing them
evidence/browser 22 captures
assets/ three diagrams through techviz
.techviz/ their VizSpecs
A separate project rather than an addition to keycloak: the B-layer answers
that project's four questions, but the A, C and D layers are about cluster
failure, SSO and operations, and one document.md should hold one subject.
The four question records there can point here through 관계.
Recorded rather than papered over: only three of the 28 diagrams were
remade. The repository forbids hand-drawn SVG and forbids titles inside the
canvas; all 28 originals carry both, so converting them is redrawing, not
reformatting. They stay in source/ and the gap is written into the document.
verify-pipeline.py passes. audit-records.py reports no issues.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
48 lines
2.0 KiB
Markdown
48 lines
2.0 KiB
Markdown
---
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kind: CONCEPT
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slug: adapter-outbound-persistence-jpa-c27
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title: JpaRepositoryFragmentSupport는 CRUD가 아니라 실행 정책이다
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topic: query-and-pagination-models
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project: clean-architecture-backend-template
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status: 게시 전
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sourceRevision: 21234e38cdb9a926cbc92bb97a2aee2e4a7d2916
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rootTreeNode: concept:adapter-outbound-persistence-jpa-c27
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evidenceCapturedOn: 2026-09-01
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assets:
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- key: adapter-outbound-persistence-jpa-c27
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file: ../../../final/evidence/rendered/adapter-outbound-persistence-jpa-c27.svg
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evidence:
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- ../../../final/evidence/raw/adapter-outbound-persistence-jpa-c27.txt
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source:
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- 원본 분석 절은 analysis/05-adapter-outbound-persistence-jpa.md#L1860 이다.
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module: adapter-outbound-persistence-jpa
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---
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# JpaRepositoryFragmentSupport는 CRUD가 아니라 실행 정책이다
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`JpaRepositoryFragmentSupport`는 domain-specific repository adapter가 사용할 공통 실행 support이며 범용 business repository contract는 제공하지 않는다.
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## 본문
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<!-- body:start -->
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`JpaRepositoryFragmentSupport`는 domain-specific repository adapter가 사용할 공통 실행 support다. 제공하는 것은 대략 네 가지다.
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- `EntityManager` access
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- query name context
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- fetch plan application
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- bounded query observation scope
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범용 business repository contract는 제공하지 않는다.
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## JpaRepositoryFragmentSupport 참조 위치
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:::evidence key="adapter-outbound-persistence-jpa-c27" alt="코드베이스에서 JpaRepositoryFragmentSupport 를 검색한 출력 5줄. 이 기록이 세는 참조가 그 출력에 그대로 보인다." caption="JpaRepositoryFragmentSupport 코드베이스 검색 — 5줄 · exit 0" zoom="true"
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:::
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## application-core가 JPA를 알 필요가 없는 이유
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이 구조는 Clean Architecture 관점에서 의미가 있다. application-core가 `JpaRepository`, `EntityManager`, `Specification`을 알 필요가 없고, 실제 domain repository port를 구현하는 outbound adapter 내부에서만 Spring Data/JPA mechanics를 사용한다.
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<!-- body:end -->
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