CanExecuteAction is an OCL operator used in MDriven to check whether a given action can be executed within a specific ViewModel nesting before you actually run it with ExecuteAction. It returns a Boolean (true or false)

Syntax

selfVM.CanExecuteAction(nameofNesting, nameofAction) : Boolean

Example

Suppose you have a ViewModel nesting called "OrderList" and an action named "ApproveOrder".

selfVM.CanExecuteAction('OrderList', 'ApproveOrder')

Returns true you can execute the 'ApproveOrder' action now

Returns false you cannot execute it yet (e.g., no order selected or business rule disallows it)

Arguments

nameofnesting: String

Name of ViewModel Nesting.

nameofaction: String

ActionName to check for.

See also:

• ListActions
• OCLOperator ExecuteAction
• Nestings