import com.wacai.config.annotation._
import scala.concurrent.duration._

@conf trait Kafka {
  val server = new {
    val host = "wacai.com"
    val port = 12306
  }

  val socket = new {
    val timeout = 3 seconds
    val buffer = 1024 * 64L
  }

  val client = "wacai"
}

class Consumer extends Kafka {
  val client = new SimpleConsumer(
    server.host,
    server.port,
    socket.timeout,
    socket.buffer,
    client
  )
  
  ...
}

trait Kafka {
  val server = new {
    val host = config.getString("kafka.server.host")
    val port = config.getInt("kafka.server.port")
  }
  val socket = new {
    val timeout = Duration(config.getDuration("kafka.socket.timeout", SECONDS))
    val buffer = config.getBytes("kafka.socket.buffer")
  }
  val client = config.getString("kafka.client")

  ...
}

kafka {
  server {
    host = wacai.com
    port = 12306
  }

  socket {
    timeout = 3s
    buffer = 64K
  }

  client = wacai
}

## Установка

> Внимание: поддерживается только Scala 2.11.0+

Установите ваш `project/build.properties` следующим образом:

Установите ваш `build.sbt` следующим образом:

```scala
addCompilerPlugin("org.scalamacros" % "paradise" % "2.0.1" cross CrossVersion.full)

libraryDependencies += "com.wacai" %% "config-annotation" % "0.3.5"

import com.wacai.config.annotation._

@conf trait Kafka extends Configurable { self: Actor =>
  def config = context.system.settings.config

  ...
}

scalacOptions += "-Xmacro-settings:conf.output.dir=/путь/к/выходной/директории"