Fixing Sonar bugs and code smells

Change-Id: I661cd409d01320fe11a29b7ea72b9e8f70e72a6c
Issue-ID: POLICY-856
Signed-off-by: waqas.ikram <waqas.ikram@ericsson.com>

4 files changed, 31 insertions, 105 deletions

diff --git a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ApexModelImpl.java b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ApexModelImpl.java
index 5303e9502..738178d17 100644
--- a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ApexModelImpl.java
+++ b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ApexModelImpl.java
@@ -33,17 +33,12 @@ import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
  * @author Liam Fallon (liam.fallon@ericsson.com)
  */
 public final class ApexModelImpl implements ApexModel {
-    private static final int HASH_CODE_PRIME_0 = 31;
-    private static final int HASH_CODE_PRIME_1 = 1231;
-    private static final int HASH_CODE_PRIME_2 = 1237;
-
     // The policy model being acted upon
     private AxPolicyModel policyModel = new AxPolicyModel();
 
     // The file name for the loaded file
     private String fileName = null;
 
-    // Facade classes for working towards the real Apex model
     // @formatter:off
     private ModelFacade modelFacade;
     private KeyInformationFacade keyInformationFacade;
@@ -1183,30 +1178,6 @@ public final class ApexModelImpl implements ApexModel {
     /*
      * (non-Javadoc)
      *
-     * @see java.lang.Object#hashCode()
-     */
-    @Override
-    public int hashCode() {
-        final int prime = HASH_CODE_PRIME_0;
-        int result = 1;
-        result = prime * result + ((apexProperties == null) ? 0 : apexProperties.hashCode());
-        result = prime * result + ((contextAlbumFacade == null) ? 0 : contextAlbumFacade.hashCode());
-        result = prime * result + ((contextSchemaFacade == null) ? 0 : contextSchemaFacade.hashCode());
-        result = prime * result + ((eventFacade == null) ? 0 : eventFacade.hashCode());
-        result = prime * result + ((fileName == null) ? 0 : fileName.hashCode());
-        result = prime * result + (jsonMode ? HASH_CODE_PRIME_1 : HASH_CODE_PRIME_2);
-        result = prime * result + ((keyInformationFacade == null) ? 0 : keyInformationFacade.hashCode());
-        result = prime * result + ((modelFacade == null) ? 0 : modelFacade.hashCode());
-        result = prime * result + ((modelHandlerFacade == null) ? 0 : modelHandlerFacade.hashCode());
-        result = prime * result + ((policyFacade == null) ? 0 : policyFacade.hashCode());
-        result = prime * result + ((policyModel == null) ? 0 : policyModel.hashCode());
-        result = prime * result + ((taskFacade == null) ? 0 : taskFacade.hashCode());
-        return result;
-    }
-
-    /*
-     * (non-Javadoc)
-     *
      * @see org.onap.policy.apex.auth.api.ApexModel#getModel()
      */
     @Override
diff --git a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ContextAlbumFacade.java b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ContextAlbumFacade.java
index 57d05025a..afd518d7a 100644
--- a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ContextAlbumFacade.java
+++ b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/ContextAlbumFacade.java
@@ -115,7 +115,7 @@ public class ContextAlbumFacade {
             contextAlbum.setItemSchema(schema.getKey());
 
             if (writable != null
-                    && (writable.trim().equalsIgnoreCase("true") || writable.trim().equalsIgnoreCase("t"))) {
+                    && ("true".equalsIgnoreCase(writable.trim()) || "t".equalsIgnoreCase(writable.trim()))) {
                 contextAlbum.setWritable(true);
             } else {
                 contextAlbum.setWritable(false);
diff --git a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/PolicyFacade.java b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/PolicyFacade.java
index f33627e44..97bf3da0d 100644
--- a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/PolicyFacade.java
+++ b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/PolicyFacade.java
@@ -20,6 +20,7 @@
 
 package org.onap.policy.apex.model.modelapi.impl;
 
+import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Properties;
 import java.util.Set;
@@ -1118,29 +1119,20 @@ public class PolicyFacade {
 
             final ApexAPIResult result = new ApexAPIResult();
             boolean found = false;
-            for (final Entry<AxArtifactKey, AxStateTaskReference> taskReferenceEntry : state.getTaskReferences()
-                    .entrySet()) {
-                if (taskName == null) {
-                    result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false)
-                            .writeString(taskReferenceEntry.getKey(), AxArtifactKey.class, jsonMode));
-                    result.addMessage(new ApexModelStringWriter<AxStateTaskReference>(false)
-                            .writeString(taskReferenceEntry.getValue(), AxStateTaskReference.class, jsonMode));
-                    found = true;
-                    continue;
-                }
-                if (!taskReferenceEntry.getKey().getName().equals(taskName)) {
-                    continue;
-                }
-
-                if (taskVersion != null && !taskReferenceEntry.getKey().getVersion().equals(taskVersion)) {
+            final Map<AxArtifactKey, AxStateTaskReference> taskReferences = state.getTaskReferences();
+            for (final Entry<AxArtifactKey, AxStateTaskReference> taskReferenceEntry : taskReferences.entrySet()) {
+                final AxArtifactKey key = taskReferenceEntry.getKey();
+                final AxStateTaskReference value = taskReferenceEntry.getValue();
+                if ((taskName != null && !key.getName().equals(taskName))
+                        || (taskVersion != null && !key.getVersion().equals(taskVersion))) {
                     continue;
                 }
 
                 found = true;
-                result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false)
-                        .writeString(taskReferenceEntry.getKey(), AxArtifactKey.class, jsonMode));
-                result.addMessage(new ApexModelStringWriter<AxStateTaskReference>(false)
-                        .writeString(taskReferenceEntry.getValue(), AxStateTaskReference.class, jsonMode));
+                result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false).writeString(key, AxArtifactKey.class,
+                        jsonMode));
+                result.addMessage(new ApexModelStringWriter<AxStateTaskReference>(false).writeString(value,
+                        AxStateTaskReference.class, jsonMode));
             }
             if (found) {
                 return result;
@@ -1183,15 +1175,8 @@ public class PolicyFacade {
             final Set<AxArtifactKey> deleteSet = new TreeSet<>();
 
             for (final AxArtifactKey taskReferenceKey : state.getTaskReferences().keySet()) {
-                if (taskName == null) {
-                    deleteSet.add(taskReferenceKey);
-                    continue;
-                }
-                if (!taskReferenceKey.getName().equals(taskName)) {
-                    continue;
-                }
-
-                if (taskVersion != null && !taskReferenceKey.getVersion().equals(taskVersion)) {
+                if ((taskName != null && !taskReferenceKey.getName().equals(taskName))
+                        || (taskVersion != null && !taskReferenceKey.getVersion().equals(taskVersion))) {
                     continue;
                 }
                 deleteSet.add(taskReferenceKey);
@@ -1292,22 +1277,13 @@ public class PolicyFacade {
             final ApexAPIResult result = new ApexAPIResult();
             boolean found = false;
             for (final AxArtifactKey albumKey : state.getContextAlbumReferences()) {
-                if (contextAlbumName == null) {
-                    result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false).writeString(albumKey,
-                            AxArtifactKey.class, jsonMode));
-                    found = true;
+                if ((contextAlbumName != null && !albumKey.getName().equals(contextAlbumName))
+                        || (contextAlbumVersion != null && !albumKey.getVersion().equals(contextAlbumVersion))) {
                     continue;
                 }
-
-                if (!albumKey.getName().equals(contextAlbumName)) {
-                    continue;
-                }
-
-                if (contextAlbumVersion == null || albumKey.getVersion().equals(contextAlbumVersion)) {
-                    result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false).writeString(albumKey,
-                            AxArtifactKey.class, jsonMode));
-                    found = true;
-                }
+                result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false).writeString(albumKey,
+                        AxArtifactKey.class, jsonMode));
+                found = true;
             }
             if (!found) {
                 return new ApexAPIResult(ApexAPIResult.RESULT.CONCEPT_DOES_NOT_EXIST, CONCEPT + contextAlbumName + ':'
@@ -1351,18 +1327,13 @@ public class PolicyFacade {
             final Set<AxArtifactKey> deleteSet = new TreeSet<>();
 
             for (final AxArtifactKey albumKey : state.getContextAlbumReferences()) {
-                if (contextAlbumName == null) {
-                    deleteSet.add(albumKey);
-                    continue;
-                }
+                
+                if ((contextAlbumName != null && !albumKey.getName().equals(contextAlbumName))
+                        || (contextAlbumVersion != null && !albumKey.getVersion().equals(contextAlbumVersion))) {
 
-                if (!albumKey.getName().equals(contextAlbumName)) {
                     continue;
                 }
-
-                if (contextAlbumVersion == null || albumKey.getVersion().equals(contextAlbumVersion)) {
-                    deleteSet.add(albumKey);
-                }
+                deleteSet.add(albumKey);
             }
             if (deleteSet.isEmpty()) {
                 return new ApexAPIResult(ApexAPIResult.RESULT.CONCEPT_DOES_NOT_EXIST, CONCEPT + contextAlbumName + ':'
diff --git a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/TaskFacade.java b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/TaskFacade.java
index 923814daf..dd00da7d4 100644
--- a/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/TaskFacade.java
+++ b/model/model-api/src/main/java/org/onap/policy/apex/model/modelapi/impl/TaskFacade.java
@@ -811,22 +811,13 @@ public class TaskFacade {
             final ApexAPIResult result = new ApexAPIResult();
             boolean found = false;
             for (final AxArtifactKey albumKey : task.getContextAlbumReferences()) {
-                if (contextAlbumName == null) {
-                    result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false).writeString(albumKey,
-                            AxArtifactKey.class, jsonMode));
-                    found = true;
+                if ((contextAlbumName != null && !albumKey.getName().equals(contextAlbumName))
+                        || (contextAlbumVersion != null && !albumKey.getVersion().equals(contextAlbumVersion))) {
                     continue;
                 }
-
-                if (!albumKey.getName().equals(contextAlbumName)) {
-                    continue;
-                }
-
-                if (contextAlbumVersion == null || albumKey.getVersion().equals(contextAlbumVersion)) {
-                    result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false).writeString(albumKey,
-                            AxArtifactKey.class, jsonMode));
-                    found = true;
-                }
+                result.addMessage(new ApexModelStringWriter<AxArtifactKey>(false).writeString(albumKey,
+                        AxArtifactKey.class, jsonMode));
+                found = true;
             }
             if (!found) {
                 return new ApexAPIResult(ApexAPIResult.RESULT.CONCEPT_DOES_NOT_EXIST,
@@ -861,18 +852,11 @@ public class TaskFacade {
             final Set<AxArtifactKey> deleteSet = new TreeSet<>();
 
             for (final AxArtifactKey albumKey : task.getContextAlbumReferences()) {
-                if (contextAlbumName == null) {
-                    deleteSet.add(albumKey);
+                if ((contextAlbumName != null && !albumKey.getName().equals(contextAlbumName))
+                        || (contextAlbumVersion != null && !albumKey.getVersion().equals(contextAlbumVersion))) {
                     continue;
                 }
-
-                if (!albumKey.getName().equals(contextAlbumName)) {
-                    continue;
-                }
-
-                if (contextAlbumVersion == null || albumKey.getVersion().equals(contextAlbumVersion)) {
-                    deleteSet.add(albumKey);
-                }
+                deleteSet.add(albumKey);
             }
 
             if (deleteSet.isEmpty()) {