IsItPlugedIn.swift

struct IsItPlugedIn : Action {
    var counter = Counter()
    func execute(data: String, callback: @escaping (DataType, BehaviourResult) -> ()) {
        let realy = [String](repeating: " realy", count: counter.count).joined(separator: ",")
        print("Is it\(realy) plugged in?")
        counter.increase()
        callback(data, .succeeded)
    }
}

RepeatOnSuccess.swift

struct RepeatOnSuccess : Decorator {
    let node : BehaviourNode
    let counter = Counter()
    func execute(data: DataType, callback: @escaping (DataType, BehaviourResult) -> ()) {
        func repeatExecution(data : DataType, result : BehaviourResult) -> (){
            if result == .succeeded {
                if counter.count < 3 {
                    counter.increase()
                } else {
                    print("Sorry can't help you mate.")
                    callback(data, .panicked(reason: "This is pointless"))
                    return
                }
                node.execute(data: data, callback: repeatExecution)
            } else {
                callback(data, result)
            }
        }
        node.execute(data: data, callback: repeatExecution)
    }
}