Pattern Consistency

Kind: quality-attribute

Layer: Evolution Principles

Record: architecture:pattern-consistency

Severity: recommended

Scope: codebase, system

Canonical: Ontology

The degree to which one kind of problem is solved with the same pattern throughout a codebase.

Listed in Architecture principles, after Reference Architecture and before Architectural Consistency.

Requires

• Naming/Structure Conventions

Reinforces

• Predictability
• Maintainability

Enables

• Easier Refactoring

Conflicts with

• Ad-Hoc Pattern Mixing

In tension with

• Local Optimization

Tensions

• Pattern Consistency / Local Optimization

Violated by

• Ad-Hoc Pattern Mixing

Refactored by

• Standardize the Interface

Severity

• recommended

Category

• Architecture Review / Evolution / Governance Artifacts

Reinforced by

• Architectural Consistency
• Convention over Configuration

Linked from

• Correctness / Determinism / Verification
• Architecture Review / Evolution / Governance Artifacts
• Metadata / Self-Description / Declarative Systems
• Architecture Review Evolution Governance
• Contracts / Interfaces / Compatibility
• Quality Attributes
• Severity levels
• The resolutions