Class
SetCommand
Command to set a property value on an EObject.
@MainActor final class SetCommandOverview
SetCommand modifies a single-valued structural feature on an EObject, storing the previous value to enable undo operations. This command works with both attributes and single-valued references.
Example Usage
let command = SetCommand(
object: person,
feature: nameAttribute,
value: "John Doe"
)
let previousValue = try await command.execute()
try await command.undo() // Restores previous valueTopics
Initializers
?
init(object:feature:value:)
Creates a new set command.
Instance Properties
V
canRedo
Indicates whether the command can be redone after being undone.
V
canUndo
Indicates whether the command can be undone.
V
description
A human-readable description of the command.
V
feature
The feature to set.
V
newValue
The new value to set.
V
objectId
The object to modify.