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• youi-communicate_sjs0.6_2.12
• 0.1.0
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• Invocation.scala

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io.youi.communicate.Invocation.scala Maven / Gradle / Ivy

package io.youi.communicate

trait Invocation {
  val id: Int = Invocation.nextId(this)
}

object Invocation {
  private var map = Map.empty[Int, Invocation]
  private var increment = 0

  private def nextId(invocation: Invocation): Int = synchronized {
    increment += 1
    map += increment -> invocation
    increment
  }

  def byId[I <: Invocation](id: Int): I = map(id).asInstanceOf[I]
}