Making ComparableComparator Serializable. This doesn't stop people putting non-Serializable comparators in a Range, but it does mean the default case can be serialized. LANG-551

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@891627 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/lang3/Range.java

@@ -328,7 +328,9 @@ public String toString() {
 
 
     // Taken from Commons Collections - documentation removed as not a public class
-    private static class ComparableComparator<E extends Comparable<? super E>> implements Comparator<E> {
+    private static class ComparableComparator<E extends Comparable<? super E>> implements Comparator<E>, Serializable {
+
+        private static final long serialVersionUID = 1L;
 
         @SuppressWarnings("unchecked")
         public static final ComparableComparator<?> INSTANCE = new ComparableComparator();

src/test/org/apache/commons/lang3/RangeTest.java

@@ -269,4 +269,8 @@ public void testOverlapsRange() {
 
     }
 
+    public void testSerializing() {
+        SerializationUtils.clone(intRange);
+    }
+
 }