# Clean Architecture

> A convention of concentric layers in which source dependencies point only inward, towards the use cases and entities.

Record: `architecture:clean-architecture`
Kind: style
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Severity: recommended
Scope: application, system
Canonical: https://banes-lab.com/ontology#architecture-clean-architecture

Listed in [Architecture principles](https://banes-lab.com/api/records/architecture.md), after [Hexagonal Architecture](https://banes-lab.com/records/architecture/hexagonal-architecture.md) and before [Layered Architecture](https://banes-lab.com/records/architecture/layered-architecture.md).

## Repair

- Refactored by: Move Logic Inward, Extract Interface, Add Adapter
- Detected by: dependency rule violations
- Violated by: outer layers imported by inner layers
- Measured by: inward dependency compliance
- Enforced by: dependency graph rules

## Requires

- [Dependency Rule](https://banes-lab.com/records/lexicon/dependency-rule.md)
- [Use Cases](https://banes-lab.com/records/lexicon/use-cases.md)
- [Boundaries](https://banes-lab.com/records/lexicon/boundaries.md)

## Reinforces

- [Dependency Inversion Principle (DIP)](https://banes-lab.com/records/architecture/dependency-inversion.md)
- [Testability](https://banes-lab.com/records/architecture/testability.md)

## Enables

- [Framework Independence](https://banes-lab.com/records/lexicon/framework-independence.md)

## Conflicts with

- [Layer Leakage](https://banes-lab.com/records/lexicon/layer-leakage.md)

## In tension with

- [Boilerplate](https://banes-lab.com/records/lexicon/boilerplate.md)

## Tensions

- [Clean Architecture / Boilerplate](https://banes-lab.com/records/tension/boilerplate-clean-architecture.md)

## Severity

- [recommended](https://banes-lab.com/records/vocabulary/severity-recommended.md)

## Category

- [Codebase / System Architecture Styles](https://banes-lab.com/records/architecture-category/codebase-system-architecture-styles.md)

## Reinforced by

- [Hexagonal Architecture](https://banes-lab.com/records/architecture/hexagonal-architecture.md)

## Linked from

- [The layer spine](https://banes-lab.com/software-architecture/model/the-layer-spine.md)
- [The direction axis](https://banes-lab.com/software-architecture/model/the-direction-axis.md)
- [Correctness / Determinism / Verification](https://banes-lab.com/ontology/principles/architecture-category-correctness-determinism-verification.md)
- [SOLID / Object-Oriented Design](https://banes-lab.com/ontology/principles/architecture-category-solid-object-oriented-design.md)
- [Codebase / System Architecture Styles](https://banes-lab.com/ontology/principles/architecture-category-codebase-system-architecture-styles.md)
- [Codebase / System Architecture Styles](https://banes-lab.com/ontology/lexicon/lexicon-category-codebase-system-architecture-styles.md)
- [Core Vocabulary](https://banes-lab.com/ontology/lexicon/lexicon-category-core-vocabulary.md)
- [Severity levels](https://banes-lab.com/ontology/schema/the-vocabulary-severity.md)
- [The resolutions](https://banes-lab.com/ontology/schema/the-resolutions.md)