1 files changed, 0 insertions, 40 deletions
diff --git a/core/source/core/scala/com/rockymadden/stringmetric/similarity/OverlapMetric.scala b/core/source/core/scala/com/rockymadden/stringmetric/similarity/OverlapMetric.scala
deleted file mode 100755
index a543a7e..0000000
--- a/core/source/core/scala/com/rockymadden/stringmetric/similarity/OverlapMetric.scala
+++ /dev/null
@@ -1,40 +0,0 @@
-package com.rockymadden.stringmetric.similarity
-
-import com.rockymadden.stringmetric.{StringMetric, MatchTuple, StringFilter}
-import com.rockymadden.stringmetric.tokenization.NGramTokenizer
-import scala.math
-
-/* An implementation of the overlap metric. */
-class OverlapMetric extends StringMetric[Int, Double] { this: StringFilter =>
-	final override def compare(charArray1: Array[Char], charArray2: Array[Char])(implicit n: Int): Option[Double] = {
-		if (n <= 0) throw new IllegalArgumentException("Expected valid n.")
-
-		val fca1 = filter(charArray1)
-		lazy val fca2 = filter(charArray2)
-
-		if (fca1.length < n || fca2.length < n) None // Because length is less than n, it is not possible to compare.
-		else if (fca1.sameElements(fca2)) Some(1d)
-		else NGramTokenizer.tokenize(fca1)(n).flatMap { ca1bg =>
-			NGramTokenizer.tokenize(fca2)(n).map { ca2bg =>
-				val ms = scoreMatches(ca1bg.map(_.mkString), ca2bg.map(_.mkString))
-
-				ms.toDouble / (math.min(ca1bg.length, ca2bg.length))
-			}
-		}
-	}
-
-	final override def compare(string1: String, string2: String)(implicit n: Int): Option[Double] =
-		compare(string1.toCharArray, string2.toCharArray)(n: Int)
-
-	private[this] def scoreMatches(mt: MatchTuple[String]) = mt._1.intersect(mt._2).length
-}
-
-object OverlapMetric {
-	private lazy val self = apply()
-
-	def apply(): OverlapMetric = new OverlapMetric with StringFilter
-
-	def compare(charArray1: Array[Char], charArray2: Array[Char])(n: Int) = self.compare(charArray1, charArray2)(n)
-
-	def compare(string1: String, string2: String)(n: Int) = self.compare(string1, string2)(n)
-}