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Add timeline/ to the root and backend package tables, TimelineEvent to the domain-model entity tables, TimelineEvent/EventType/Zeitstrahl to the glossary, a new l3-backend-timeline C4 component diagram, and the timeline_events table + two join tables (with their CHECKs and cascade FKs) to the db-orm and db-relationships ER diagrams. Bumps the db-orm snapshot to V77. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
25 lines
1.6 KiB
Plaintext
25 lines
1.6 KiB
Plaintext
@startuml
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!include <C4/C4_Component>
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title Component Diagram: API Backend — Timeline (Zeitstrahl)
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ContainerDb(db, "PostgreSQL", "PostgreSQL 16")
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System_Boundary(backend, "API Backend (Spring Boot)") {
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Component(timelineRepo, "TimelineEventRepository", "Spring Data JPA", "Reads and writes TimelineEvent rows and their persons/documents join tables (timeline_event_persons, timeline_event_documents). Issue #774 ships the repository empty; the per-person filter query lands in a later issue.")
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Component(timelineSvc, "TimelineEventService", "Spring Service (planned, issue 3)", "Will own curated-event CRUD: assemble TimelineEventView/Summary inside the transaction (lazy ManyToMany + open-in-view=false, per ADR-036/ADR-040), populate createdBy/updatedBy from the session principal, and translate optimistic-lock conflicts to DomainException.conflict.")
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Component(timelineCtrl, "TimelineEventController", "Spring MVC (planned, issue 3)", "Will expose /api/timeline reads (READ_ALL) and writes (WRITE_ALL). createdBy/updatedBy are never bound from request bodies (CWE-639).")
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}
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System_Ext(documentDomain, "Document domain", "Provides DatePrecision (shared value type) and Document references for linked letters")
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System_Ext(personDomain, "Person domain", "Provides Person references for who an event involves")
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Rel(timelineRepo, db, "SQL queries", "JDBC")
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Rel(timelineSvc, timelineRepo, "Reads / writes events (planned)")
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Rel(timelineCtrl, timelineSvc, "Delegates to (planned)")
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Rel(timelineRepo, personDomain, "References persons via join table")
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Rel(timelineRepo, documentDomain, "References documents via join table")
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@enduml
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