Fix exception not logged or rethrown

Eclipse sonarlint does not check for exception dropping by default,
it must be configured. This commit addresses exception dropping in
apex.

Change-Id: I406838990b3424c2912124b25d7326502cacc96c
Issue-ID: POLICY-1034
Signed-off-by: liamfallon <liam.fallon@ericsson.com>

4 files changed, 11 insertions, 13 deletions

diff --git a/examples/examples-adaptive/src/main/java/org/onap/policy/apex/examples/adaptive/concepts/AutoLearn.java b/examples/examples-adaptive/src/main/java/org/onap/policy/apex/examples/adaptive/concepts/AutoLearn.java
index d935af5f0..968b20499 100644
--- a/examples/examples-adaptive/src/main/java/org/onap/policy/apex/examples/adaptive/concepts/AutoLearn.java
+++ b/examples/examples-adaptive/src/main/java/org/onap/policy/apex/examples/adaptive/concepts/AutoLearn.java
@@ -31,9 +31,9 @@ import java.util.List;
 public class AutoLearn implements Serializable {
     private static final long serialVersionUID = 3825970380434170754L;
 
-    private List<Double> avDiffs = null;
+    private transient List<Double> avDiffs = null;
 
-    private List<Long> counts = null;
+    private transient List<Long> counts = null;
 
     /**
      * Checks if the Autolearn instance is initialized.
diff --git a/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAnomalyDetectionTslUseCase.java b/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAnomalyDetectionTslUseCase.java
index cb7e3c824..c29a3cb6e 100644
--- a/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAnomalyDetectionTslUseCase.java
+++ b/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAnomalyDetectionTslUseCase.java
@@ -38,6 +38,7 @@ import org.onap.policy.apex.core.engine.EngineParameters;
 import org.onap.policy.apex.core.engine.engine.ApexEngine;
 import org.onap.policy.apex.core.engine.engine.impl.ApexEngineFactory;
 import org.onap.policy.apex.core.engine.event.EnEvent;
+import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
 import org.onap.policy.apex.examples.adaptive.model.AdaptiveDomainModelFactory;
 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
@@ -148,7 +149,7 @@ public class TestAnomalyDetectionTslUseCase {
         assertEquals("ExecutionIDs are different", triggerEvent.getExecutionId(), result.getExecutionId());
         triggerEvent.clear();
         result.clear();
-        Thread.sleep(1);
+        ThreadUtilities.sleep(1);
         apexEngine1.stop();
     }
 
@@ -215,7 +216,7 @@ public class TestAnomalyDetectionTslUseCase {
             result.clear();
         }
         apexEngine1.stop();
-        Thread.sleep(1000);
+        ThreadUtilities.sleep(1000);
     }
 
     /**
diff --git a/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestApexActionListener.java b/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestApexActionListener.java
index ec7c197b7..006d3de6f 100644
--- a/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestApexActionListener.java
+++ b/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestApexActionListener.java
@@ -69,11 +69,8 @@ public class TestApexActionListener implements EnEventListener {
      */
     @Override
     public void onEnEvent(final EnEvent actionEvent) {
-        try {
-            Thread.sleep(100);
-        } catch (final InterruptedException e) {
-            e.printStackTrace();
-        }
+        ThreadUtilities.sleep(100);
+
         if (actionEvent != null) {
             System.out.println("Action event from engine:" + actionEvent.getName());
             resultEvents.add(actionEvent);
diff --git a/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAutoLearnTslUseCase.java b/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAutoLearnTslUseCase.java
index 3052c31a7..10d69a457 100644
--- a/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAutoLearnTslUseCase.java
+++ b/examples/examples-adaptive/src/test/java/org/onap/policy/apex/examples/adaptive/TestAutoLearnTslUseCase.java
@@ -38,6 +38,7 @@ import org.onap.policy.apex.core.engine.EngineParameters;
 import org.onap.policy.apex.core.engine.engine.ApexEngine;
 import org.onap.policy.apex.core.engine.engine.impl.ApexEngineFactory;
 import org.onap.policy.apex.core.engine.event.EnEvent;
+import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
 import org.onap.policy.apex.examples.adaptive.model.AdaptiveDomainModelFactory;
 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
@@ -146,7 +147,7 @@ public class TestAutoLearnTslUseCase {
         assertEquals("ExecutionIDs are different", triggerEvent.getExecutionId(), result.getExecutionId());
         triggerEvent.clear();
         result.clear();
-        Thread.sleep(1);
+        ThreadUtilities.sleep(10);
         apexEngine1.stop();
     }
 
@@ -234,12 +235,11 @@ public class TestAutoLearnTslUseCase {
             LOGGER.info("Iteration " + iteration + ": \tpreval\t" + prevval + "\tval\t" + val + "\tavval\t" + avval);
 
             result.clear();
-            Thread.sleep(1);
+            ThreadUtilities.sleep(10);
         }
 
         apexEngine1.stop();
-        Thread.sleep(1000);
-
+        ThreadUtilities.sleep(1000);
     }
 
     /**