Refactor: Use descriptive methods when comparing Timestamps

Change-Id: I938f1db98c3d6868da73b5f3e8e01e7a787260c1

@@ -191,9 +191,9 @@ public class IntentData { //FIXME need to make this "immutable"
 
         if (currentData == null) {
             return true;
-        } else if (currentData.version().compareTo(newData.version()) < 0) {
+        } else if (currentData.version().isOlderThan(newData.version())) {
             return true;
-        } else if (currentData.version().compareTo(newData.version()) > 0) {
+        } else if (currentData.version().isNewerThan(newData.version())) {
             return false;
         }
 

@@ -40,4 +40,14 @@ public interface Timestamp extends Comparable<Timestamp> {
     default boolean isNewerThan(Timestamp other) {
         return this.compareTo(checkNotNull(other)) > 0;
     }
+
+    /**
+     * Tests if this timestamp is older than the specified timestamp.
+     *
+     * @param other timestamp to compare against
+     * @return true if this instance is older
+     */
+    default boolean isOlderThan(Timestamp other) {
+        return this.compareTo(checkNotNull(other)) < 0;
+    }
 }