geotrellis.spark.util.KryoClosure.scala Maven / Gradle / Ivy

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GeoTrellis is an open source geographic data processing engine for high performance applications.

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package geotrellis.spark.util

class KryoClosure1[T1, R](f: T1=>R) extends KryoWrapper[T1=>R] with (T1=>R) {
  assert(f != null)
  value = f

  def apply(in: T1): R = {
    assert(value != null)
    value.apply(in)
  }
}
class KryoClosure2[T1, T2, R](f: (T1,T2)=>R) extends KryoWrapper[(T1, T2)=>R] with ((T1,T2)=>R) {
  assert(f != null)
  value = f

  def apply(t1: T1, t2: T2): R = {
    assert(value != null)
    value.apply(t1,t2)
  }
}

object KryoClosure {
  // import com.esotericsoftware.minlog.Log
  // import com.esotericsoftware.minlog.Log._
  // Log.set(LEVEL_TRACE)

  def apply[T1, R](f: T1 => R)  = new KryoClosure1[T1, R](f)
  def apply[T1, T2, R](f: (T1,T2) => R)  = new KryoClosure2[T1, T2, R](f)
}