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package no.nextgentel.oss.akkatools.aggregate

import no.nextgentel.oss.akkatools.persistence.{EnhancedPersistentView, GetState}

import scala.reflect.ClassTag

class GeneralAggregateView[E:ClassTag, S <: AggregateStateBase[E, S]:ClassTag]
(
  persistenceIdBase:String,
  id:String,
  initialState:S,
  collectHistory:Boolean = true
) extends EnhancedPersistentView[E, S](persistenceIdBase, id, collectHistory) {

  var state:S = initialState

  override def currentState():S = state

  override def applyEventToState(event: E): Unit = {
    state = state.transitionState(event).newState
  }

  override val onCmd: PartialFunction[AnyRef, Unit] = {
    case x:GetState =>
      sender ! state
  }
}