Divergent Change

Kind: anti-pattern

Layer: Enforcement Core

Record: architecture:divergent-change

Severity: discouraged

Scope: modularity

Formed by: Place unrelated responsibilities in the same module so unrelated change reasons repeatedly modify one artifact.

Canonical: Ontology

A defect in which one module changes for many unrelated reasons.

Listed in Architecture principles, after Shotgun Surgery and before Feature Envy.

Refactored by

• Split Module
• Extract Class
• Move Behavior to Its Owner

Severity

• discouraged

Category

• Anti-patterns

Force

• Modularity

Negated by

• Single Responsibility Principle

Violates

• Single Responsibility Principle
• High Cohesion

Linked from

• An anti-pattern is a decay path
• Anti-patterns
• Core Modular Design
• Core Modular Design
• Severity levels
• The forces