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Merge pull request #100 from LLM-Coding/copilot/add-fowler-patterns-anchor
Add Fowler patterns (PEAA) semantic anchor
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‎docs/anchors/fowler-patterns.adoc‎

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= Patterns of Enterprise Application Architecture (PEAA)
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:categories: design-principles
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:roles: software-architect, software-developer, team-lead
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:proponents: Martin Fowler
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:related: domain-driven-design, hexagonal-architecture, clean-architecture
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:tags: enterprise, architecture, patterns, design-patterns, orm
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[%collapsible]
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====
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Full Name:: Patterns of Enterprise Application Architecture according to Martin Fowler
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Also known as:: Fowler patterns, PEAA patterns, Enterprise patterns
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*Core Concepts*:
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Domain Logic Patterns:: Transaction Script, Domain Model, Table Module, Service Layer
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Data Source Architectural Patterns:: Table Data Gateway, Row Data Gateway, Active Record, Data Mapper
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Object-Relational Behavioral Patterns:: Unit of Work, Identity Map, Lazy Load
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Object-Relational Structural Patterns:: Identity Field, Foreign Key Mapping, Association Table Mapping, Dependent Mapping, Embedded Value, Serialized LOB, Single Table Inheritance, Class Table Inheritance, Concrete Table Inheritance
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Object-Relational Metadata Mapping Patterns:: Metadata Mapping, Query Object, Repository
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Web Presentation Patterns:: Model View Controller, Page Controller, Front Controller, Template View, Transform View, Two Step View, Application Controller
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Distribution Patterns:: Remote Facade, Data Transfer Object
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Offline Concurrency Patterns:: Optimistic Offline Lock, Pessimistic Offline Lock, Coarse-Grained Lock, Implicit Lock
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Session State Patterns:: Client Session State, Server Session State, Database Session State
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Base Patterns:: Gateway, Mapper, Layer Supertype, Separated Interface, Registry, Value Object, Money, Special Case, Plugin, Service Stub, Record Set
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Key Proponent:: Martin Fowler ("Patterns of Enterprise Application Architecture", 2002)
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*When to Use*:
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* Designing complex enterprise applications with data persistence
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* Building layered architectures with clear separation of concerns
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* Working with object-relational mapping and database interactions
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* Designing web applications with proper presentation layer patterns
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* Managing distributed system communication
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* Handling concurrency in multi-user enterprise systems
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* Creating maintainable and testable enterprise code
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*Related Anchors*:
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* <<domain-driven-design,Domain-Driven Design>> - Complements PEAA with domain modeling approach
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* <<hexagonal-architecture,Hexagonal Architecture>> - Architectural style emphasizing ports and adapters
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* <<clean-architecture,Clean Architecture>> - Layered architecture pattern with dependency rules
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====

‎docs/anchors/fowler-patterns.de.adoc‎

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= Patterns of Enterprise Application Architecture (PEAA)
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:categories: design-principles
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:roles: software-architect, software-developer, team-lead
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:proponents: Martin Fowler
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:related: domain-driven-design, hexagonal-architecture, clean-architecture
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:tags: enterprise, architecture, patterns, design-patterns, orm
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[%collapsible]
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====
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Vollständiger Name:: Patterns of Enterprise Application Architecture nach Martin Fowler
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Auch bekannt als:: Fowler-Muster, PEAA-Muster, Enterprise-Muster
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*Kernkonzepte*:
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Domain-Logic-Muster:: Transaction Script, Domain Model, Table Module, Service Layer
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Data Source Architectural Patterns:: Table Data Gateway, Row Data Gateway, Active Record, Data Mapper
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Object-Relational Behavioral Patterns:: Unit of Work, Identity Map, Lazy Load
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Object-Relational Structural Patterns:: Identity Field, Foreign Key Mapping, Association Table Mapping, Dependent Mapping, Embedded Value, Serialized LOB, Single Table Inheritance, Class Table Inheritance, Concrete Table Inheritance
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Object-Relational Metadata Mapping Patterns:: Metadata Mapping, Query Object, Repository
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Web Presentation Patterns:: Model View Controller, Page Controller, Front Controller, Template View, Transform View, Two Step View, Application Controller
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Distribution Patterns:: Remote Facade, Data Transfer Object
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Offline Concurrency Patterns:: Optimistic Offline Lock, Pessimistic Offline Lock, Coarse-Grained Lock, Implicit Lock
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Session State Patterns:: Client Session State, Server Session State, Database Session State
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Base Patterns:: Gateway, Mapper, Layer Supertype, Separated Interface, Registry, Value Object, Money, Special Case, Plugin, Service Stub, Record Set
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Hauptvertreter:: Martin Fowler ("Patterns of Enterprise Application Architecture", 2002)
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*Wann verwenden*:
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* Beim Entwurf komplexer Unternehmensanwendungen mit Datenpersistenz
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* Beim Aufbau geschichteter Architekturen mit klarer Trennung der Belange
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* Bei der Arbeit mit objektrelationalem Mapping und Datenbankinteraktionen
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* Beim Entwurf von Webanwendungen mit geeigneten Präsentationsschichtmustern
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* Beim Verwalten verteilter Systemkommunikation
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* Beim Umgang mit Nebenläufigkeit in Mehrbenutzersystemen
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* Beim Erstellen wartbaren und testbaren Enterprise-Codes
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*Verwandte Anker*:
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* <<domain-driven-design,Domain-Driven Design>> - Ergänzt PEAA mit Domain-Modellierungsansatz
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* <<hexagonal-architecture,Hexagonal Architecture>> - Architekturstil mit Fokus auf Ports und Adaptern
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* <<clean-architecture,Clean Architecture>> - Geschichtete Architektur mit Abhängigkeitsregeln
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====

‎website/public/data/anchors.json‎

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"tags": [],
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"filePath": "docs/anchors/five-whys.adoc"
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},
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{
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"id": "fowler-patterns",
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"title": "Patterns of Enterprise Application Architecture (PEAA)",
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"categories": [
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"design-principles"
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],
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"roles": [
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"software-architect",
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"software-developer",
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"team-lead"
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],
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"related": [
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"domain-driven-design",
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"hexagonal-architecture",
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"clean-architecture"
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],
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"proponents": [
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"Martin Fowler"
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],
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"tags": [
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"enterprise",
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"architecture",
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"patterns",
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"design-patterns",
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"orm"
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],
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"filePath": "docs/anchors/fowler-patterns.adoc"
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},
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{
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"id": "hexagonal-architecture",
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"title": "Hexagonal Architecture (Ports &amp; Adapters)",

‎website/public/data/categories.json‎

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"name": "Design Principles & Patterns",
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"anchors": [
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"dry-principle",
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"fowler-patterns",
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"solid-principles",
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"spot-principle",
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"ssot-principle"

‎website/public/data/metadata.json‎

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"generatedAt": "2026-02-13T15:46:21.683Z",
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"generatedAt": "2026-02-16T07:35:12.663Z",
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"version": "1.0.0",
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"counts": {
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"anchors": 49,
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"categories": 12,
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"roles": 12
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},
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"statistics": {
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"averageRolesPerAnchor": "3.17",
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"averageRolesPerAnchor": "3.16",
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"averageCategoriesPerAnchor": "1.00",
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"anchorsWithTags": 2,
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"anchorsWithRelated": 2
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"anchorsWithTags": 3,
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"anchorsWithRelated": 3
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}
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}

‎website/public/data/roles.json‎

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"devils-advocate",
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"domain-driven-design",
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"dry-principle",
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"fowler-patterns",
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"hexagonal-architecture",
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"iec-61508-sil-levels",
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"madr",
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"dry-principle",
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"feynman-technique",
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"five-whys",
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"fowler-patterns",
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"hexagonal-architecture",
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"iec-61508-sil-levels",
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"madr",
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"domain-driven-design",
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"feynman-technique",
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"five-whys",
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"fowler-patterns",
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"impact-mapping",
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"madr",
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"mental-model-according-to-naur",

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