Scala版ワークステートエンジン構想・・・第二版 rev1

gistfile1.scala

class Sample02 {
  import sburi.b1._
  import scala.reflect.BeanInfo
  @BeanInfo
  class Sample02Entity(
      var id:Long = 0 ,
      var name : String = "" ,
      var status : String = "")

  class Sample02EntityPersistentPlugin extends PersistentPlugin[Sample02Entity,Long] {
    import scala.collection.mutable.HashMap
    val repo = new HashMap[Long,Sample02Entity]
    var idGen = 0;
    def setStatus(e :Sample02Entity , state : String) {
      e.status = state
    }
    def save(e :Sample02Entity) = {
      if(e.id == 0) {
        idGen += 1
        e.id = idGen
      }
      repo += ((e.id,e))
    }
    def getStatus(e :Sample02Entity) :Option[String] = {
      e.status match {
        case null => None
        case "" => None
        case status => Some(status)
      }
    }
    def get(id:Long) : Option[Sample02Entity] = {
      repo.get(id)
    }
  }

  class Sample02Builder extends SburiBuilder {
    type IdType = Long
    type Entity = Sample02Entity
    val persistent = new Sample02EntityPersistentPlugin()

    val start = StartActivity("Start")
    val process = ProcessActivity("p1" , {e => })
    val state = Activity("state" , List(status,useUpdate,useDelete) )
    val end = EndActivity("End")

    this += start %% process
    this += process %% state
    this += state %% end
    //this += end %% state // compile error
    //this += state %% start // compile error

  }

}