s_mach.datadiff.impl.SimpleDataDiffImpl.scala Maven / Gradle / Ivy

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/*
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package s_mach.datadiff.impl

import s_mach.datadiff.DataDiff

class SimpleDataDiffImpl[A] extends DataDiff[A,Option[A]] {

  override val noChange = None

  override def calcDiff(oldValue: A, newValue: A) = {
    if(oldValue != newValue) {
      Some(newValue)
    } else {
      None
    }
  }

  override def applyPatch(value: A, patch: Option[A]): A = patch match {
    case Some(newValue) => newValue
    case None => value
  }

}