UndoableCommand<State> class abstract interface

A command that knows how to apply and undo its own effect on a mutable state.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

type → String

Command category for journal persistence.

no setter

Methods

apply(State state) → void

Applies this command to state.

mergeWith(UndoableCommand<State> next) → UndoableCommand<State>?

Attempts to merge next into this command, returning a replacement.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, Object?>

Serializes the command payload for the journal.

toString() → String

A string representation of this object.

inherited

undo(State state) → void

Restores state to the value before this command ran.

Operators

operator ==(Object other) → bool

The equality operator.

inherited