Add method comments and format code

components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/util/PolicyManagerUtil.java

@@ -143,10 +143,10 @@ public class PolicyManagerUtil {
     }
 
     /**
-     * Attach policy specific data which has been not retrieved
+     * Transform policy into a Operation
-     * @param policy
+     * @param policy policy to be transformed
-     * @return
+     * @return policy operation object
-     * @throws PolicyTransformException
+     * @throws PolicyTransformException for errors occurred while transforming a policy
      */
     public static Operation transformPolicy(Policy policy) throws PolicyTransformException {
         List<ProfileFeature> effectiveFeatures = policy.getProfile().getProfileFeaturesList();