strategy_controller.kt

   // blueprint
    open class EpoxyModel {
        fun bind() {}
    }

    class Factory(
        val key: Int,
        val createModel: (Any) -> EpoxyModel
    )


    class StrategyExpoxyController { // extend from Type2Controller<List<Any>,Boolean>
        private val factories: SparseArray<Factory> = SparseArray();

        fun registerFactory(factory: Factory) {
            factories.append(factory.key, factory)
        }

        fun buildModels(list: List<*>) {
            for (data in list) {
                data?.run {
                    factories[this::class.java.hashCode()]?.createModel?.invoke(this) // add bind this
                }
            }
        }

        //usage

        class Data1 {}
        class Data1Model : EpoxyModel() {}
        // declare factory

        val modelCreation: (Data1) -> EpoxyModel = { Data1Model() }
        val factory1 = Factory(key = Data1::class.java.hashCode(), createModel = modelCreation as (Any) -> EpoxyModel)

        // in fragment

        val controller = StrategyExpoxyController().apply {
            registerFactory(factory1)
            // more registration here
        }