package ru.stachek66.tools
import org.slf4j.LoggerFactory
import scala.concurrent.duration._
/**
* alexeyev
* 02.09.14.
*/
object Tools {
private val log = LoggerFactory.getLogger(getClass)
@throws(classOf[Exception])
def withAttempt[T](n: Int, timeout: Duration = 0.millis)(action: => T): T = try {
action
} catch {
case e: Exception if n > 1 =>
log.warn(s"${n - 1} attempts left", e)
Thread.sleep(timeout.toMillis)
withAttempt(n - 1)(action)
case e: Exception =>
throw new Exception("No attempts left", e)
}
}
