Address checkstyle version issues in drools-pdp

Also added serializationId to several classes to address eclipse warnings.

Issue-ID: POLICY-2188
Change-Id: I3df5e8abaad8da9261c0d5cd19a93ed68dceb870
Signed-off-by: Jim Hahn <jrh3@att.com>

3 files changed, 11 insertions, 12 deletions

diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/Pair.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/Pair.java
index d044ca6f..c37084f4 100644
--- a/policy-utils/src/main/java/org/onap/policy/drools/utils/Pair.java
+++ b/policy-utils/src/main/java/org/onap/policy/drools/utils/Pair.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,11 +20,11 @@
 
 package org.onap.policy.drools.utils;
 
-public class Pair<F,S> {
+public class Pair<F, S> {
 
     protected F first;
     protected S second;
-    
+
     public Pair(F first, S second) {
         this.first = first;
         this.second = second;
diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java
index e6195fa4..4d287170 100644
--- a/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java
+++ b/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java
@@ -330,8 +330,7 @@ public class PropertyUtil {
                 public void run() {
                     try {
                         poll();
-                    }
-                    catch (Exception e) {
+                    } catch (Exception e) {
                         logger.warn("Polling for property changes", e);
                     }
                 }
@@ -347,7 +346,7 @@ public class PropertyUtil {
          */
         synchronized Properties addListener(Listener listener) {
             listeners.add(listener);
-            return (Properties)properties.clone();
+            return (Properties) properties.clone();
         }
 
         /**
@@ -420,7 +419,7 @@ public class PropertyUtil {
                         // Copy 'properties' and 'changedProperties', so it doesn't
                         // cause problems if the recipient makes changes.
                         final Properties tmpProperties =
-                                (Properties)(properties.clone());
+                                (Properties) properties.clone();
                         final HashSet<String> tmpChangedProperties =
                                 new HashSet<>(changedProperties);
 
diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/Triple.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/Triple.java
index 04817346..d37a5d92 100644
--- a/policy-utils/src/main/java/org/onap/policy/drools/utils/Triple.java
+++ b/policy-utils/src/main/java/org/onap/policy/drools/utils/Triple.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,7 +20,7 @@
 
 package org.onap.policy.drools.utils;
 
-public class Triple<F,S,T> {
+public class Triple<F, S, T> {
 
     private F first;
     private S second;
@@ -32,7 +32,7 @@ public class Triple<F,S,T> {
 
     /**
      * Constructor.
-     * 
+     *
      * @param first first
      * @param second second
      * @param third third