Public Class WorkItem
    implements IWorkItem

    Public Property BatchVisual As Integer Implements IWorkItem.BatchVisual
    Public Property DeliverToResource As String Implements IWorkItem.DeliverToResource
    Public Property ProductGroup As String Implements IWorkItem.ProductGroup
    Public Property Remark As String Implements IWorkItem.Remark
    Public Property EndTimeStamp As DateTime Implements IWorkItem.EndTimeStamp
    Public Property Activities As List(Of IActivity) Implements IWorkItem.Activities

    ''' <inheritdoc/>
    Public Function AreAllActivatableActivitiesFinished() As Boolean Implements IWorkItem.AreAllActivatableActivitiesFinished
        Return Activities.All(Function(activity) Not activity.IsReadOnly And activity.Status = ActivityStateEnum.Finished)
    End Function
End Class