1 files changed, 9 insertions, 26 deletions
diff --git a/core/source/main/scala/com/rockymadden/stringmetric/phonetic/SoundexMetric.scala b/core/source/main/scala/com/rockymadden/stringmetric/phonetic/SoundexMetric.scala
index e4daa17..7e0bf5c 100755
--- a/core/source/main/scala/com/rockymadden/stringmetric/phonetic/SoundexMetric.scala
+++ b/core/source/main/scala/com/rockymadden/stringmetric/phonetic/SoundexMetric.scala
@@ -1,33 +1,16 @@
 package com.rockymadden.stringmetric.phonetic
 
-import com.rockymadden.stringmetric.{StringFilter, StringMetric}
-import com.rockymadden.stringmetric.Alphabet.Alpha
+import com.rockymadden.stringmetric.Metric.StringMetricLike
 
-/** An implementation of the Soundex metric. */
-class SoundexMetric extends StringMetric[DummyImplicit, Boolean] { this: StringFilter =>
-	final override def compare(charArray1: Array[Char], charArray2: Array[Char])
-		(implicit di: DummyImplicit): Option[Boolean] = {
+case object SoundexMetric extends StringMetricLike[Boolean] {
+	import com.rockymadden.stringmetric.Alphabet.Alpha
 
-		val fca1 = filter(charArray1)
-		lazy val fca2 = filter(charArray2)
-
-		if (fca1.length == 0 || !(Alpha isSuperset fca1.head) || fca2.length == 0 || !(Alpha isSuperset fca2.head)) None
-		else if (fca1.head.toLower != fca2.head.toLower) Some(false)
-		else SoundexAlgorithm.compute(fca1).filter(_.length > 0).flatMap(se1 =>
-			SoundexAlgorithm.compute(fca2).filter(_.length > 0).map(se1.sameElements(_))
+	override def compare(a: Array[Char], b: Array[Char]): Option[Boolean] =
+		if (a.length == 0 || !(Alpha isSuperset a.head) || b.length == 0 || !(Alpha isSuperset b.head)) None
+		else if (a.head.toLower != b.head.toLower) Some(false)
+		else SoundexAlgorithm.compute(a).filter(_.length > 0).flatMap(se1 =>
+			SoundexAlgorithm.compute(b).filter(_.length > 0).map(se1.sameElements(_))
 		)
-	}
-
-	final override def compare(string1: String, string2: String)(implicit di: DummyImplicit): Option[Boolean] =
-		compare(string1.toCharArray, string2.toCharArray)
-}
-
-object SoundexMetric {
-	private lazy val self = apply()
-
-	def apply(): SoundexMetric = new SoundexMetric with StringFilter
-
-	def compare(charArray1: Array[Char], charArray2: Array[Char]) = self.compare(charArray1, charArray2)
 
-	def compare(string1: String, string2: String) = self.compare(string1, string2)
+	final override def compare(a: String, b: String): Option[Boolean] = compare(a.toCharArray, b.toCharArray)
 }