Backend · Domain Logic

Domain Logic developer concepts

Learn 42 Domain Logic concepts for Backend development, with definitions, aliases, and ready-to-use AI prompts.

Domain model

Defines the domain model concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Domain model pattern, Domain Logic domain model, Domain model implementation
AI prompt: Implement production-ready Domain model for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Domain entity

Defines the domain entity concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Domain entity pattern, Domain Logic domain entity, Domain entity implementation
AI prompt: Implement production-ready Domain entity for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Value object

Defines the value object concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Value object pattern, Domain Logic value object, Value object implementation
AI prompt: Implement production-ready Value object for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Aggregate

Defines the aggregate concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Aggregate pattern, Domain Logic aggregate, Aggregate implementation
AI prompt: Implement production-ready Aggregate for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Aggregate root

Defines the aggregate root concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Aggregate root pattern, Domain Logic aggregate root, Aggregate root implementation
AI prompt: Implement production-ready Aggregate root for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Invariant

Defines the invariant concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Invariant pattern, Domain Logic invariant, Invariant implementation
AI prompt: Implement production-ready Invariant for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Domain service

Defines the domain service concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Domain service pattern, Domain Logic domain service, Domain service implementation
AI prompt: Implement production-ready Domain service for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Application service

Defines the application service concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Application service pattern, Domain Logic application service, Application service implementation
AI prompt: Implement production-ready Application service for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Domain event

Defines the domain event concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Domain event pattern, Domain Logic domain event, Domain event implementation
AI prompt: Implement production-ready Domain event for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Domain command

Defines the domain command concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Domain command pattern, Domain Logic domain command, Domain command implementation
AI prompt: Implement production-ready Domain command for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Domain query

Defines the domain query concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Domain query pattern, Domain Logic domain query, Domain query implementation
AI prompt: Implement production-ready Domain query for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Business rule

Defines the business rule concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Business rule pattern, Domain Logic business rule, Business rule implementation
AI prompt: Implement production-ready Business rule for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Policy object

Defines the policy object concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Policy object pattern, Domain Logic policy object, Policy object implementation
AI prompt: Implement production-ready Policy object for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Specification

Defines the specification concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Specification pattern, Domain Logic specification, Specification implementation
AI prompt: Implement production-ready Specification for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Factory

Defines the factory concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Factory pattern, Domain Logic factory, Factory implementation
AI prompt: Implement production-ready Factory for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Repository interface

Defines the repository interface concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Repository interface pattern, Domain Logic repository interface, Repository interface implementation
AI prompt: Implement production-ready Repository interface for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Domain exception

Defines the domain exception concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Domain exception pattern, Domain Logic domain exception, Domain exception implementation
AI prompt: Implement production-ready Domain exception for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Behavior & modeling

Ubiquitous language

Defines the ubiquitous language concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Ubiquitous language pattern, Domain Logic ubiquitous language, Ubiquitous language implementation
AI prompt: Implement production-ready Ubiquitous language for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Bounded context

Defines the bounded context concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Bounded context pattern, Domain Logic bounded context, Bounded context implementation
AI prompt: Implement production-ready Bounded context for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Context map

Defines the context map concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Context map pattern, Domain Logic context map, Context map implementation
AI prompt: Implement production-ready Context map for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Entity identity

Defines the entity identity concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Entity identity pattern, Domain Logic entity identity, Entity identity implementation
AI prompt: Implement production-ready Entity identity for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Value equality

Defines the value equality concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Value equality pattern, Domain Logic value equality, Value equality implementation
AI prompt: Implement production-ready Value equality for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Encapsulation

Defines the encapsulation concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Encapsulation pattern, Domain Logic encapsulation, Encapsulation implementation
AI prompt: Implement production-ready Encapsulation for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Tell-don't-ask

Defines the tell-don't-ask concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Tell-don't-ask pattern, Domain Logic tell-don't-ask, Tell-don't-ask implementation
AI prompt: Implement production-ready Tell-don't-ask for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Anemic domain model

Defines the anemic domain model concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Anemic domain model pattern, Domain Logic anemic domain model, Anemic domain model implementation
AI prompt: Implement production-ready Anemic domain model for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Rich domain model

Defines the rich domain model concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Rich domain model pattern, Domain Logic rich domain model, Rich domain model implementation
AI prompt: Implement production-ready Rich domain model for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

State machine

Defines the state machine concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: State machine pattern, Domain Logic state machine, State machine implementation
AI prompt: Implement production-ready State machine for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Decision table

Defines the decision table concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Decision table pattern, Domain Logic decision table, Decision table implementation
AI prompt: Implement production-ready Decision table for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Rules engine

Defines the rules engine concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Rules engine pattern, Domain Logic rules engine, Rules engine implementation
AI prompt: Implement production-ready Rules engine for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Money value

Defines the money value concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Money value pattern, Domain Logic money value, Money value implementation
AI prompt: Implement production-ready Money value for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Quantity value

Defines the quantity value concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Quantity value pattern, Domain Logic quantity value, Quantity value implementation
AI prompt: Implement production-ready Quantity value for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Temporal rule

Defines the temporal rule concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Temporal rule pattern, Domain Logic temporal rule, Temporal rule implementation
AI prompt: Implement production-ready Temporal rule for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Effective dating

Defines the effective dating concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Effective dating pattern, Domain Logic effective dating, Effective dating implementation
AI prompt: Implement production-ready Effective dating for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Audit rule

Defines the audit rule concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Audit rule pattern, Domain Logic audit rule, Audit rule implementation
AI prompt: Implement production-ready Audit rule for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Calculation service

Defines the calculation service concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Calculation service pattern, Domain Logic calculation service, Calculation service implementation
AI prompt: Implement production-ready Calculation service for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Approval rule

Defines the approval rule concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Approval rule pattern, Domain Logic approval rule, Approval rule implementation
AI prompt: Implement production-ready Approval rule for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Eligibility rule

Defines the eligibility rule concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Eligibility rule pattern, Domain Logic eligibility rule, Eligibility rule implementation
AI prompt: Implement production-ready Eligibility rule for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Pricing rule

Defines the pricing rule concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Pricing rule pattern, Domain Logic pricing rule, Pricing rule implementation
AI prompt: Implement production-ready Pricing rule for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Inventory allocation

Defines the inventory allocation concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Inventory allocation pattern, Domain Logic inventory allocation, Inventory allocation implementation
AI prompt: Implement production-ready Inventory allocation for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Reservation rule

Defines the reservation rule concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Reservation rule pattern, Domain Logic reservation rule, Reservation rule implementation
AI prompt: Implement production-ready Reservation rule for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Idempotent domain operation

Defines the idempotent domain operation concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Idempotent domain operation pattern, Domain Logic idempotent domain operation, Idempotent domain operation implementation
AI prompt: Implement production-ready Idempotent domain operation for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.

Compensating domain action

Defines the compensating domain action concept used in domain logic systems, with its contract, lifecycle, failure behavior, and operational boundaries.

Also known as: Compensating domain action pattern, Domain Logic compensating domain action, Compensating domain action implementation
AI prompt: Implement production-ready Compensating domain action for a backend system. Define the contract, validation, authorization, lifecycle, failure behavior, observability, concurrency and idempotency rules, performance limits, tests, rollout plan, and framework-neutral examples.