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import org.scalatest.mock.EasyMockSugar

trait RepositoryComponentMock
extends RepositoryComponent
with EasyMockSugar {
  val projectRepository = mock[ProjectRepository]
  val userRepository = mock[UserRepository]
}

trait ServiceComponentMock

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trait ChartViewFactoryComponent {
  val chartViewFactory: ChartViewFactory
  trait ChartViewFactory {
    def create(chart: Chart): ChartView                                                                                                          
  }
}

trait ChartViewFactoryComponentImpl extends ChartViewFactoryComponent {
  self: HistogramViewFactoryComponent with ScatterPlotViewFactoryComponent =>
  override val chartViewFactory: ChartViewFactory = new ChartViewFactoryImpl

sullivan-

trait ChartViewComponent
extends ChartViewFactoryComponent

trait ChartViewComponentImpl
extends ChartViewComponent
with ChartViewFactoryComponentImpl
with HistogramViewFactoryComponentImpl
with ScatterPlotViewFactoryComponentImpl

trait ViewComponent

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@Component @Scope("prototype")
public class StatefulService {
    // ...
}

@Component
public class ReferencingService {

    // every referencing component will get its own instance of the service
    @Autowired

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trait StatefulServiceComponent {
  def statefulService: StatefulService
  trait StatefulService {
    // ...                                                                                                          
  }
}

trait StatefulServiceComponentImpl extends StatefulServiceComponent {
  override def statefulService: StatefulService = new StatefulServiceImpl
  private class StatefulServiceImpl extends StatefulService {

sullivan-

trait ReferencingServiceComponent {
  def referencingService: ReferencingService
  trait ReferencingService {
    // ...                                                                                                          
  }
}

trait ReferencingServiceComponentImpl extends ReferencingServiceComponent {
  self: StatefulServiceComponent =>

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abstract class MyApplication extends TopComponent {
  def start = {
    // ...
  }
  // ...
}

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object MyApplication {
  def main(args: Array[String]) =
    (new MyApplication with TopComponentImpl).start
}

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object MyApplication {
  def main(args: Array[String]) = {
    val app =
      if (testMode)
        (new MyApplication with TopComponentTestImpl)
      else
        (new MyApplication with TopComponentImpl)
    app.start
  }
}

sullivan-

trait TopComponent
extends RepositoryComponent
with ServiceComponent

object TopComponentImpl extends TopComponentImpl

trait TopComponentImpl
extends TopComponent
with RepositoryComponentImpl
with ServiceComponentImpl