Factory Pattern

Kind: pattern

Layer: Design Patterns Core

Record: architecture:factory-pattern

Severity: recommended

Scope: object_creation, module

Canonical: Ontology

A design pattern that moves the construction of an object and its defaults into one function or object.

Listed in Architecture principles, after Statecharts and before Factory Method Pattern.

Requires

• Creation Variation

Reinforces

• Open/Closed Principle (OCP)
• Encapsulation

Enables

• Polymorphic Construction

Conflicts with

• Scattered Construction Logic

In tension with

• Simplicity

Tensions

• Factory Pattern / Simplicity

Violated by

• Scattered Construction Logic

Severity

• recommended

Category

• Creational Patterns

Force

• Object creation

Enforced by

• rules/eslint/factory-owned-value.eslint.rule.ts
• rules/eslint/no-raw-dom.eslint.rule.ts

Refactors

• Dynamic Binding
• Invariant
• Dependency Injection

Reinforced by

• Registry Pattern

Linked from

• Runtime Discovery / Dynamic Binding
• Contracts / Interfaces / Compatibility
• Core Modular Design
• SOLID / Object-Oriented Design
• Plugin / Extensibility / IoC
• Creational Patterns
• Quality Attributes
• Severity levels
• The forces
• The resolutions