sonar issue drools applications - 3

get already returns string
redudant return block
unused import
swap expected argument
use equals method instead
useless assignment for payload

Issue-ID: POLICY-2616
Change-Id: Ie4f07085994420b7ea3f39db89f980f6594f01b7
Signed-off-by: Taka Cho <takamune.cho@att.com>

3 files changed, 7 insertions, 11 deletions

diff --git a/controlloop/m2/adapters/src/test/java/org/onap/policy/m2/adapters/VirtualOnsetAdapterTest.java b/controlloop/m2/adapters/src/test/java/org/onap/policy/m2/adapters/VirtualOnsetAdapterTest.java
index 0ecbda672..c19a80e7e 100644
--- a/controlloop/m2/adapters/src/test/java/org/onap/policy/m2/adapters/VirtualOnsetAdapterTest.java
+++ b/controlloop/m2/adapters/src/test/java/org/onap/policy/m2/adapters/VirtualOnsetAdapterTest.java
@@ -21,6 +21,7 @@
 package org.onap.policy.m2.adapters;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 import org.junit.Test;
@@ -39,15 +40,15 @@ public class VirtualOnsetAdapterTest {
         VirtualControlLoopEvent virtualControlLoopEvent = new VirtualControlLoopEvent();
         VirtualOnsetAdapter virtualOnsetAdapter =
             VirtualOnsetAdapter.class.cast(OnsetAdapter.get(virtualControlLoopEvent));
-        assertTrue(virtualOnsetAdapter != null);
+        assertNotNull(virtualOnsetAdapter);
 
         ControlLoopNotification notification = virtualOnsetAdapter.createNotification(virtualControlLoopEvent);
-        assertTrue(notification != null);
+        assertNotNull(notification);
         // we want an exact class match, so 'instanceOf' is not being used
         assertEquals(VirtualControlLoopNotification.class, notification.getClass());
 
         ControlLoopEvent controlLoopEvent = new ControlLoopEvent() {};
         notification = virtualOnsetAdapter.createNotification(controlLoopEvent);
-        assertTrue(notification != null);
+        assertNotNull(notification);
     }
 }
diff --git a/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmHealthCheckOperation.java b/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmHealthCheckOperation.java
index 42e06f98f..cc0df4580 100644
--- a/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmHealthCheckOperation.java
+++ b/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmHealthCheckOperation.java
@@ -28,7 +28,6 @@ import org.onap.policy.appclcm.AppcLcmOutput;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.controlloop.ControlLoopEvent;
 import org.onap.policy.controlloop.ControlLoopException;
-import org.onap.policy.controlloop.VirtualControlLoopEvent;
 import org.onap.policy.controlloop.policy.Policy;
 import org.onap.policy.controlloop.policy.PolicyResult;
 import org.onap.policy.guard.PolicyGuardResponse;
@@ -88,7 +87,6 @@ public class AppcLcmHealthCheckOperation extends AppcLcmOperation {
         if (!(object instanceof AppcLcmDmaapWrapper)) {
             if (object instanceof PolicyGuardResponse) {
                 incomingGuardMessage((PolicyGuardResponse) object);
-                return;
             }
             // ignore this message (not sure why we even got it)
             return;
diff --git a/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmOperation.java b/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmOperation.java
index 6a2518f46..668860eb1 100644
--- a/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmOperation.java
+++ b/controlloop/m2/appclcm/src/main/java/org/onap/policy/m2/appclcm/AppcLcmOperation.java
@@ -245,7 +245,7 @@ public class AppcLcmOperation implements Operation, LockAdjunct.Requestor, Seria
      * the lock, but it has now became available.
      */
     public void lockAvailable() {
-        if (this.state == LCM_WAIT_FOR_LOCK) {
+        if (LCM_WAIT_FOR_LOCK.equals(this.state)) {
             // we have the lock -- invoke 'quardQuery()',
             // go to the appropriate state, and mark the transaction as modified
             guardQuery();
@@ -265,7 +265,7 @@ public class AppcLcmOperation implements Operation, LockAdjunct.Requestor, Seria
      * obtained.
      */
     public void lockUnavailable() {
-        if (this.state == LCM_WAIT_FOR_LOCK) {
+        if (LCM_WAIT_FOR_LOCK.equals(this.state)) {
             try {
                 setErrorStatus("Already processing event with this target");
             } catch (ControlLoopException e) {
@@ -314,7 +314,6 @@ public class AppcLcmOperation implements Operation, LockAdjunct.Requestor, Seria
                 payload = setRebootPayload();
                 break;
             default:
-                payload = null;
                 break;
         }
 
@@ -485,7 +484,7 @@ public class AppcLcmOperation implements Operation, LockAdjunct.Requestor, Seria
     void incomingGuardMessage(PolicyGuardResponse response) {
         // this message is only meaningful if we are waiting for a
         // 'guard' response -- ignore it, if this isn't the case
-        if (this.state == LCM_GUARD_PENDING) {
+        if (LCM_GUARD_PENDING.equals(this.state)) {
             if ("Deny".equals(response.getResult())) {
                 // this is a guard failure
                 logger.error("LCM operation denied by 'Guard'");
@@ -510,10 +509,8 @@ public class AppcLcmOperation implements Operation, LockAdjunct.Requestor, Seria
         if (! (object instanceof AppcLcmDmaapWrapper)) {
             if (object instanceof PolicyGuardResponse) {
                 incomingGuardMessage((PolicyGuardResponse)object);
-                return;
             } else if (object instanceof ControlLoopEvent) {
                 incomingAbatedEvent((ControlLoopEvent) object);
-                return;
             }
             // ignore this message (not sure why we even got it)
             return;