final def release()

in connector/src/main/scala/com/datastax/spark/connector/cql/RefCountMap.scala [71:86]

• 16 lines of code
• 8 McCabe index (conditional complexity)

  final def release(key: T, n: Int = 1): Int = {
    refCounts.get(key) match {
      case Some(count) if count > n =>
        if (refCounts.replace(key, count, count - n))
          count - n
        else
          release(key, n)
      case Some(count) if count == n =>
        if (refCounts.remove(key, n))
          0
        else
          release(key, n)
      case _ =>
        throw new IllegalStateException("Release without acquire for key: " + key)
    }
  }