From daa096b8149e18e69e1344e01cf4627d7e0dede5 Mon Sep 17 00:00:00 2001
From: Joshua Reich <jreich@research.att.com>
Date: Fri, 21 Sep 2018 16:44:25 -0700
Subject: Yet more sonar issues in drools-applications

removed unused imports and variable definitions
moved variable declarations above methods
refactored deeply nested if/while
removed code smell due to unecessary use of static keyword
moved string literals to left side of comparator
fixed logging of exceptions
immediately return expression instead of assigning it to the temporary variable

Change-Id: Idfd2a2bdf3c2f3bbfcb54a06b713d57bc867b3ab
Issue-ID: POLICY-1129
Signed-off-by: Joshua Reich <jreich@research.att.com>
---
 .../org/onap/policy/guard/PipEngineGetStatus.java  | 31 +++++++++++-----------
 1 file changed, 16 insertions(+), 15 deletions(-)

(limited to 'controlloop/common/guard/src')

diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/PipEngineGetStatus.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/PipEngineGetStatus.java
index 36bb36f5c..b61ab5d73 100644
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/PipEngineGetStatus.java
+++ b/controlloop/common/guard/src/main/java/org/onap/policy/guard/PipEngineGetStatus.java
@@ -148,7 +148,7 @@ public class PipEngineGetStatus extends StdConfigurableEngine {
         try {
             pipResponse = pipFinder.getMatchingAttributes(pipRequest, this);
         } catch (PIPException ex) {
-            logger.error("getAttribute threw:", ex);
+            logger.error("getAttribute threw", ex);
             return null;
         }
         if (pipResponse == null) {
@@ -197,16 +197,17 @@ public class PipEngineGetStatus extends StdConfigurableEngine {
         Set<String> setUids = new HashSet<>();
         for (Attribute attributeUid : listUids) {
             Iterator<AttributeValue<String>> iterAttributeValues = attributeUid.findValues(DataTypes.DT_STRING);
-            if (iterAttributeValues != null) {
-                while (iterAttributeValues.hasNext()) {
-                    String uid = iterAttributeValues.next().getValue();
-                    if (uid != null) {
-                        setUids.add(uid);
-                    }
+            if (iterAttributeValues == null) {
+                continue;
+            }
+            while (iterAttributeValues.hasNext()) {
+                String uid = iterAttributeValues.next().getValue();
+                if (uid == null) {
+                    continue;
                 }
+                setUids.add(uid);
             }
         }
-
         return setUids;
     }
 
@@ -220,13 +221,13 @@ public class PipEngineGetStatus extends StdConfigurableEngine {
             props.put(Util.ECLIPSE_LINK_KEY_USER, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_USER));
             props.put(Util.ECLIPSE_LINK_KEY_PASS, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_PASS));
         } catch (NullPointerException e) {
-            logger.error("getStatusFromDB: {} when setting properties", e.getMessage());
+            logger.error("getStatusFromDb: when setting properties", e);
         }
         //
         // Set opsHistPu to the correct value and clear properties if necessary.
         //
         String opsHistPu = System.getProperty("OperationsHistoryPU");
-        if (opsHistPu == null || !opsHistPu.equals("TestOperationsHistoryPU")) {
+        if (!"TestOperationsHistoryPU".equals(opsHistPu)) {
             opsHistPu = "OperationsHistoryPU";
         } else {
             props.clear();
@@ -240,14 +241,14 @@ public class PipEngineGetStatus extends StdConfigurableEngine {
             emf = Persistence.createEntityManagerFactory(opsHistPu, props);
         } catch (Exception ex) {
             logger.error("PIP thread got Exception. Can't connect to Operations History DB -- {}", opsHistPu);
-            logger.error("getStatusFromDb threw: ", ex);
+            logger.error("getStatusFromDb threw", ex);
             return null;
         }
         try {
             em = emf.createEntityManager();
         } catch (Exception ex) {
             logger.error("PIP thread got Exception. Problem creating EntityManager");
-            logger.error("getStatusFromDb threw: ", ex);
+            logger.error("getStatusFromDb threw", ex);
             emf.close();
             return null;
         } 
@@ -269,7 +270,7 @@ public class PipEngineGetStatus extends StdConfigurableEngine {
         try {
             ret = ((String)nq.getSingleResult());
         } catch (NoResultException ex) {
-            logger.debug("NoResultException for getSingleResult()");
+            logger.debug("NoResultException for getSingleResult()", ex);
             ret = "NO_MATCHING_ENTRY";
         } catch (Exception ex) {
             logger.error("getStatusFromDB threw an exception", ex);
@@ -283,12 +284,12 @@ public class PipEngineGetStatus extends StdConfigurableEngine {
         try {
             em.close();
         } catch (Exception ex) {
-            logger.error("getStatusFromDB threw an exception ", ex);
+            logger.error("getStatusFromDB threw an exception", ex);
         }
         try {
             emf.close();
         } catch (Exception ex) {
-            logger.error("getStatusFromDB threw an exception ", ex);
+            logger.error("getStatusFromDB threw an exception", ex);
         }
         return ret;
     }
-- 
cgit 1.2.3-korg