Template Method Pattern

Kind: pattern

Layer: Design Patterns Core

Record: architecture:template-method-pattern

Severity: contextual

Scope: workflow, framework

Canonical: Ontology

A design pattern that fixes the steps of an algorithm in a base class and lets subclasses supply the steps that vary.

Listed in Architecture principles, after Strategy Pattern and before Observer Pattern.

Requires

• Stable Algorithm Skeleton

Reinforces

• Framework Reuse

Enables

• Controlled Variation

Conflicts with

• Duplicated Workflow

In tension with

• Inheritance Coupling

Tensions

• Template Method Pattern / Inheritance Coupling

Violated by

• Duplicated Workflow

Severity

• contextual

Category

• Behavioral Patterns

Linked from

• Integrating algorithms
• Behavioral Patterns
• Severity levels
• The resolutions