Command

E173615

Command is a behavioral design pattern that encapsulates a request as an object, allowing parameterization, queuing, logging, and support for undoable operations.

All labels observed (3)

Label Occurrences
Command pattern 2
Command canonical 1
Command (design pattern) 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf behavioral design pattern ⓘ
design pattern ⓘ
allows parameterization of clients with different requests ⓘ
alsoKnownAs Action ⓘ
Transaction ⓘ
appearsIn Design Patterns: Elements of Reusable Object-Oriented Software ⓘ
belongsTo Gang of Four design patterns ⓘ
canBeImplementedWith callbacks ⓘ
function objects or functors ⓘ
lambda expressions ⓘ
canIncrease number of small command classes ⓘ
Client creates ConcreteCommand objects ⓘ
ConcreteCommand binds a Receiver to an action ⓘ
decouples invoker from receiver ⓘ
object that invokes operation from object that knows how to perform it ⓘ
defines command interface with execute operation ⓘ
enables dynamic reconfiguration of commands at runtime ⓘ
macro commands ⓘ
replay of operations ⓘ
transaction-like group of operations ⓘ
encapsulates request as an object ⓘ
Invoker stores and invokes commands ⓘ
oftenDefines undo operation ⓘ
oftenUsedWith Composite pattern for macro commands ⓘ
Invoker objects like buttons or menu items ⓘ
Memento pattern for undo ⓘ
participantsInclude Client ⓘ
Command interface ⓘ
ConcreteCommand ⓘ
Invoker ⓘ
Receiver ⓘ
promotes open-closed principle ⓘ
single responsibility principle ⓘ
Receiver knows how to perform the work ⓘ
supports history of executed commands ⓘ
logging of requests ⓘ
queuing of requests ⓘ
undoable operations ⓘ
typicalMethodName execute ⓘ
undo ⓘ
usedFor implementing undo-redo stacks ⓘ
job queues ⓘ
macro recording ⓘ
menu actions in GUIs ⓘ
task scheduling systems ⓘ
toolbar actions in GUIs ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Chain of Responsibility → relatedTo → Command pattern ⓘ
linked to: Command
Memento (design pattern) → relatedTo → Command (design pattern) ⓘ
subject linked to: Memento
linked to: Command
Visitor → relatedTo → Command pattern ⓘ
linked to: Command