Fix sonars in clamp #2

Fixed sonars:

Fixed eclipse warnings:
- unused imports
- unused fields
- add serialVersionUID

Issue-ID: POLICY-3200
Change-Id: Ieaab6e85f65fb5eed6db337060961ba831628905
Signed-off-by: Jim Hahn <jrh3@att.com>

4 files changed, 10 insertions, 6 deletions

diff --git a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantAckListener.java b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantAckListener.java
index 113f75dd5..95bbb2940 100644
--- a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantAckListener.java
+++ b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantAckListener.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Nordix Foundation.
+ *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
@@ -34,7 +35,7 @@ import org.onap.policy.common.utils.coder.StandardCoderObject;
  * Abstract Listener for Participant Ack messages sent by runtime.
  */
 public abstract class ParticipantAckListener<T extends ParticipantAckMessage> extends ScoListener<T>
-        implements Listener {
+                implements Listener<T> {
 
     private final ParticipantHandler participantHandler;
     private final Consumer<T> consumer;
diff --git a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantListener.java b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantListener.java
index 67af5c844..5326ccddc 100644
--- a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantListener.java
+++ b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ParticipantListener.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Nordix Foundation.
+ *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,7 +32,7 @@ import org.onap.policy.common.utils.coder.StandardCoderObject;
 /**
  * Abstract Listener for Participant messages sent by CLAMP.
  */
-public abstract class ParticipantListener<T extends ParticipantMessage> extends ScoListener<T> implements Listener {
+public abstract class ParticipantListener<T extends ParticipantMessage> extends ScoListener<T> implements Listener<T> {
 
     private final ParticipantHandler participantHandler;
     private final Consumer<T> consumer;
diff --git a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/IntermediaryActivator.java b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/IntermediaryActivator.java
index 754bf2887..d544915dd 100644
--- a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/IntermediaryActivator.java
+++ b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/IntermediaryActivator.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Nordix Foundation.
+ *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,9 +59,9 @@ public class IntermediaryActivator extends ServiceManagerContainer implements Cl
      * @param publishers list of Publishers
      * @param listeners list of Listeners
      */
-    public IntermediaryActivator(final ParticipantParameters parameters,
+    public <T> IntermediaryActivator(final ParticipantParameters parameters,
             ParticipantIntermediaryApi participantIntermediaryApi, List<Publisher> publishers,
-            List<Listener> listeners) {
+            List<Listener<T>> listeners) {
         this.participantIntermediaryApi = participantIntermediaryApi;
 
         topicSinks = TopicEndpointManager.getManager()
diff --git a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/Listener.java b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/Listener.java
index bca71afda..19bad9a67 100644
--- a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/Listener.java
+++ b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/handler/Listener.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Nordix Foundation.
+ *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +23,7 @@ package org.onap.policy.clamp.controlloop.participant.intermediary.handler;
 
 import org.onap.policy.common.endpoints.listeners.ScoListener;
 
-public interface Listener {
+public interface Listener<T> {
 
     /**
      * Get the type of message of interest to the listener.
@@ -36,5 +37,5 @@ public interface Listener {
      *
      * @return listener to register
      */
-    <T> ScoListener<T> getScoListener();
+    ScoListener<T> getScoListener();
 }