Minor changes for new Eclipse checkstyle checks

The laest Eclipse checkstyle version 8.26.0 does more thorough checking
and identified a number of small issues in the apex-pdp codebase. This
review fixes those issues.

Issue-ID: POLICY-1913
Change-Id: I30ba25e3e425c6d54c77f925e8da3ab841a8357c
Signed-off-by: liamfallon <liam.fallon@est.tech>

3 files changed, 23 insertions, 7 deletions

diff --git a/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyStateFinalizerExecutor.java b/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyStateFinalizerExecutor.java
index cdbd27b8f..6f2474aa1 100644
--- a/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyStateFinalizerExecutor.java
+++ b/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyStateFinalizerExecutor.java
@@ -23,6 +23,7 @@ package org.onap.policy.apex.services.onappf.parameters.dummyclasses;
 
 import java.util.Map;
 import java.util.Properties;
+
 import org.onap.policy.apex.context.ContextException;
 import org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor;
 import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
@@ -31,7 +32,9 @@ import org.onap.policy.apex.core.engine.executor.exception.StateMachineException
  * Dummy state finalizer executor for testing.
  */
 public class DummyStateFinalizerExecutor extends StateFinalizerExecutor {
-    public DummyStateFinalizerExecutor() {}
+    public DummyStateFinalizerExecutor() {
+        // Default constructor
+    }
 
     @Override
     public String execute(final long executionId, final Properties executorProperties,
diff --git a/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskExecutor.java b/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskExecutor.java
index d3fa9b570..387479b12 100644
--- a/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskExecutor.java
+++ b/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskExecutor.java
@@ -23,6 +23,7 @@ package org.onap.policy.apex.services.onappf.parameters.dummyclasses;
 
 import java.util.Map;
 import java.util.Properties;
+
 import org.onap.policy.apex.context.ContextException;
 import org.onap.policy.apex.core.engine.event.EnEvent;
 import org.onap.policy.apex.core.engine.executor.TaskExecutor;
@@ -34,10 +35,14 @@ import org.onap.policy.apex.model.policymodel.concepts.AxTask;
  * Dummy task executor for testing.
  */
 public class DummyTaskExecutor extends TaskExecutor {
-    public DummyTaskExecutor() {}
+    public DummyTaskExecutor() {
+        // Default constructor
+    }
 
     @Override
-    public void prepare() throws StateMachineException {}
+    public void prepare() throws StateMachineException {
+        // Not used
+    }
 
     @Override
     public Map<String, Object> execute(final long executionId, final Properties executorProperties,
@@ -54,5 +59,7 @@ public class DummyTaskExecutor extends TaskExecutor {
     }
 
     @Override
-    public void cleanUp() throws StateMachineException {}
+    public void cleanUp() throws StateMachineException {
+        // Not used
+    }
 }
diff --git a/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskSelectExecutor.java b/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskSelectExecutor.java
index b27ff6ebc..b6e0dd432 100644
--- a/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskSelectExecutor.java
+++ b/services/services-onappf/src/test/java/org/onap/policy/apex/services/onappf/parameters/dummyclasses/DummyTaskSelectExecutor.java
@@ -22,6 +22,7 @@
 package org.onap.policy.apex.services.onappf.parameters.dummyclasses;
 
 import java.util.Properties;
+
 import org.onap.policy.apex.context.ContextException;
 import org.onap.policy.apex.core.engine.event.EnEvent;
 import org.onap.policy.apex.core.engine.executor.TaskSelectExecutor;
@@ -32,10 +33,13 @@ import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
  * Dummy task selection executor for testing.
  */
 public class DummyTaskSelectExecutor extends TaskSelectExecutor {
-    public DummyTaskSelectExecutor() {}
+    public DummyTaskSelectExecutor() {
+    }
 
     @Override
-    public void prepare() throws StateMachineException {}
+    public void prepare() throws StateMachineException {
+        // Not used
+    }
 
     @Override
     public AxArtifactKey execute(final long executionId, final Properties executorProperties,
@@ -45,5 +49,7 @@ public class DummyTaskSelectExecutor extends TaskSelectExecutor {
     }
 
     @Override
-    public void cleanUp() throws StateMachineException {}
+    public void cleanUp() throws StateMachineException {
+        // Not used
+    }
 }