new unit tests for sdc-dao

Change-Id: Id7ba81e71502db771f7243f526d46eb0865f16f2
Issue-ID: SDC-1333
Signed-off-by: Tal Gitelman <tg851x@intl.att.com>

38 files changed, 295 insertions, 178 deletions

diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Component.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Component.java
index 956a94048a..a9543d240f 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Component.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Component.java
@@ -20,20 +20,27 @@
 
 package org.openecomp.sdc.be.model;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
+import static java.util.Collections.emptyList;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
 import org.openecomp.sdc.be.config.ConfigurationManager;
+import org.openecomp.sdc.be.dao.utils.MapUtil;
 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
 import org.openecomp.sdc.be.model.category.CategoryDefinition;
 import org.openecomp.sdc.be.model.category.SubCategoryDefinition;
-
-import static java.util.Collections.emptyList;
-import org.openecomp.sdc.be.dao.utils.MapUtil;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.ToscaElementTypeEnum;
 import org.openecomp.sdc.common.api.ArtifactTypeEnum;
 
-import java.io.Serializable;
-import java.util.*;
-import java.util.stream.Collectors;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 
 public abstract class Component implements Serializable {
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstInputsMap.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstInputsMap.java
index 19653e3847..3db3131fb0 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstInputsMap.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstInputsMap.java
@@ -20,13 +20,13 @@
 
 package org.openecomp.sdc.be.model;
 
-import org.apache.commons.collections.MapUtils;
-import org.apache.commons.lang3.tuple.Pair;
-
 import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.collections.MapUtils;
+import org.apache.commons.lang3.tuple.Pair;
+
 public class ComponentInstInputsMap implements Serializable {
 
     /**
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstance.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstance.java
index a45e3d2bd7..e80f306faf 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstance.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentInstance.java
@@ -20,15 +20,15 @@
 
 package org.openecomp.sdc.be.model;
 
-import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
-import org.openecomp.sdc.be.datatypes.elements.PropertiesOwner;
-import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
-
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
+import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.PropertiesOwner;
+import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
+
 public class ComponentInstance extends ComponentInstanceDataDefinition implements Serializable, PropertiesOwner {
 
     /**
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentParametersView.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentParametersView.java
index 9bd66006e7..769aa8aac3 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentParametersView.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ComponentParametersView.java
@@ -20,12 +20,12 @@
 
 package org.openecomp.sdc.be.model;
 
+import java.util.List;
+
 import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
 import org.openecomp.sdc.be.datatypes.enums.ComponentFieldsEnum;
 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
 
-import java.util.List;
-
 public class ComponentParametersView {
 
 	boolean ignoreUsers = false;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/GroupInstance.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/GroupInstance.java
index 4ffa843463..e9efa8f2e4 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/GroupInstance.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/GroupInstance.java
@@ -71,15 +71,21 @@ public class GroupInstance extends GroupInstanceDataDefinition implements Serial
 	private void removeArtifactsDuplicates() {
 		List<String> artifacts = getArtifacts();
 		Set<String> artifactsSet = new HashSet<>();
-		artifactsSet.addAll(artifacts);
-		artifacts.clear();
-		artifacts.addAll(artifactsSet);
+		
+		if (artifacts != null && !artifacts.isEmpty()) {
+			artifactsSet.addAll(artifacts);
+			artifacts.clear();
+			artifacts.addAll(artifactsSet);
+		}
 		
 		List<String> giArtifacts = getGroupInstanceArtifacts();
 		Set<String> giArtifactsSet = new HashSet<>();
-		giArtifactsSet.addAll(giArtifacts);
-		giArtifacts.clear();
-		giArtifacts.addAll(giArtifactsSet);
+		
+		if (giArtifacts != null && !giArtifacts.isEmpty()) {
+			giArtifactsSet.addAll(giArtifacts);
+			giArtifacts.clear();
+			giArtifacts.addAll(giArtifactsSet);
+		}
 	}
 
 	private void clearArtifactsUuid() {
@@ -104,7 +110,7 @@ public class GroupInstance extends GroupInstanceDataDefinition implements Serial
 	 */
 	public void alignArtifactsUuid(Map<String, ArtifactDefinition> deploymentArtifacts) {
 		List<String> artifactIds = getArtifacts();
-		if(CollectionUtils.isNotEmpty(artifactIds)){
+		if(CollectionUtils.isNotEmpty(artifactIds) && deploymentArtifacts != null){
 			removeArtifactsDuplicates();
 			clearArtifactsUuid();
 			List<String> artifactUuids = getArtifactsUuid();
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/InterfaceDefinition.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/InterfaceDefinition.java
index d5dfbc28e3..e1a648cbcf 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/InterfaceDefinition.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/InterfaceDefinition.java
@@ -20,14 +20,15 @@
 
 package org.openecomp.sdc.be.model;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import org.openecomp.sdc.be.datatypes.elements.InterfaceDataDefinition;
-import org.openecomp.sdc.be.datatypes.elements.OperationDataDefinition;
-
 import java.io.Serializable;
 import java.util.Map;
 import java.util.stream.Collectors;
 
+import org.openecomp.sdc.be.datatypes.elements.InterfaceDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.OperationDataDefinition;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
 /**
  * Definition of the operations that can be performed on (instances of) a Node
  * Type.
@@ -59,7 +60,6 @@ public class InterfaceDefinition extends InterfaceDataDefinition implements IOpe
 
     @Override
     public boolean isDefinition() {
-        // TODO Auto-generated method stub
         return false;
     }
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyDefinition.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyDefinition.java
index 681fc4e33b..22d69cd61b 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyDefinition.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyDefinition.java
@@ -1,13 +1,13 @@
 package org.openecomp.sdc.be.model;
 
-import org.openecomp.sdc.be.datatypes.elements.PolicyDataDefinition;
-import org.openecomp.sdc.be.datatypes.elements.PropertiesOwner;
-import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
-
 import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.Collectors;
+
+import org.openecomp.sdc.be.datatypes.elements.PolicyDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.PropertiesOwner;
+import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
 /**
  * public class representing the component policy
  */
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyTypeDefinition.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyTypeDefinition.java
index 0cfdf196e1..9483d5c9da 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyTypeDefinition.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/PolicyTypeDefinition.java
@@ -20,10 +20,10 @@
 
 package org.openecomp.sdc.be.model;
 
-import org.openecomp.sdc.be.datatypes.elements.PolicyTypeDataDefinition;
-
 import java.util.List;
 
+import org.openecomp.sdc.be.datatypes.elements.PolicyTypeDataDefinition;
+
 /**
  * Specifies the policy type that the Node Type exposes.
  */
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Resource.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Resource.java
index 8e38beb2c6..917678380b 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Resource.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Resource.java
@@ -43,6 +43,9 @@ public class Resource extends Component implements Serializable {
 
 	public Resource(ComponentMetadataDefinition componentMetadataDefinition) {
 		super(componentMetadataDefinition);
+		if(this.getComponentMetadataDefinition().getMetadataDataDefinition() == null) {
+			this.getComponentMetadataDefinition().componentMetadataDataDefinition = new ResourceMetadataDataDefinition();
+		}
 		this.getComponentMetadataDefinition().getMetadataDataDefinition().setComponentType(ComponentTypeEnum.RESOURCE);
 	}
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Service.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Service.java
index c3852e060b..259083303b 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Service.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Service.java
@@ -23,6 +23,7 @@ package org.openecomp.sdc.be.model;
 import java.util.HashMap;
 import java.util.Map;
 
+import org.openecomp.sdc.be.datatypes.components.ComponentMetadataDataDefinition;
 import org.openecomp.sdc.be.datatypes.components.ServiceMetadataDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
@@ -40,7 +41,10 @@ public class Service extends Component {
 
 	public Service(ComponentMetadataDefinition serviceMetadataDefinition) {
 		super(serviceMetadataDefinition);
-		this.getComponentMetadataDefinition().getMetadataDataDefinition().setComponentType(ComponentTypeEnum.SERVICE);
+		ComponentMetadataDataDefinition metadataDataDefinition = this.getComponentMetadataDefinition().getMetadataDataDefinition();
+		if(metadataDataDefinition != null) {
+			metadataDataDefinition.setComponentType(ComponentTypeEnum.SERVICE);
+		}
 		this.setToscaType(ToscaElementTypeEnum.TopologyTemplate.getValue());
 	}
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/cache/ComponentCache.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/cache/ComponentCache.java
index f969bbd18f..eb33a50e0b 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/cache/ComponentCache.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/cache/ComponentCache.java
@@ -20,7 +20,22 @@
 
 package org.openecomp.sdc.be.model.cache;
 
-import fj.data.Either;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import javax.annotation.PostConstruct;
+
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.apache.commons.lang3.tuple.ImmutableTriple;
 import org.openecomp.sdc.be.config.BeEcompErrorManager;
@@ -50,20 +65,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 
-import javax.annotation.PostConstruct;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.locks.Lock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-import java.util.function.Function;
-import java.util.stream.Collectors;
+import fj.data.Either;
 
 @org.springframework.stereotype.Component("component-cache")
 public class ComponentCache {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/datamodel/TopologyTemplate.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/datamodel/TopologyTemplate.java
index 8912efdca9..567258d0d5 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/datamodel/TopologyTemplate.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/datamodel/TopologyTemplate.java
@@ -20,14 +20,29 @@
 
 package org.openecomp.sdc.be.model.jsontitan.datamodel;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import org.apache.commons.collections.MapUtils;
-import org.openecomp.sdc.be.datatypes.elements.*;
+import org.openecomp.sdc.be.datatypes.elements.ArtifactDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.CompositionDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.GroupDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.InterfaceDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapArtifactDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapCapabiltyProperty;
+import org.openecomp.sdc.be.datatypes.elements.MapComponentInstanceExternalRefs;
+import org.openecomp.sdc.be.datatypes.elements.MapGroupsDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapListCapabiltyDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapListRequirementDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapPropertiesDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.PolicyDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.RelationshipInstDataDefinition;
 import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
 import org.openecomp.sdc.be.model.jsontitan.enums.JsonConstantKeysEnum;
 
-import java.util.HashMap;
-import java.util.Map;
-
 public class TopologyTemplate extends ToscaElement{
 
 	public TopologyTemplate() {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ExternalReferencesOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ExternalReferencesOperation.java
index 76fb0a9151..2b35699289 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ExternalReferencesOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ExternalReferencesOperation.java
@@ -1,6 +1,11 @@
 package org.openecomp.sdc.be.model.jsontitan.operations;
 
-import fj.data.Either;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
 import org.openecomp.sdc.be.dao.api.ActionStatus;
 import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
 import org.openecomp.sdc.be.dao.jsongraph.TitanDao;
@@ -14,7 +19,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import java.util.*;
+import fj.data.Either;
 
 /**
  * Created by yavivi on 26/01/2018.
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ForwardingPathOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ForwardingPathOperation.java
index ad4c1fb4f3..ed06704a68 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ForwardingPathOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ForwardingPathOperation.java
@@ -20,7 +20,12 @@
 
 package org.openecomp.sdc.be.model.jsontitan.operations;
 
-import fj.data.Either;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+
 import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
 import org.openecomp.sdc.be.dao.jsongraph.types.EdgeLabelEnum;
 import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
@@ -35,11 +40,7 @@ import org.openecomp.sdc.common.jsongraph.util.CommonUtility;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Set;
-import java.util.UUID;
+import fj.data.Either;
 
 @org.springframework.stereotype.Component("forwarding-paths-operations")
 public class ForwardingPathOperation extends BaseOperation {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java
index 0cde1dc9f4..ea2f8bc1f7 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java
@@ -16,12 +16,12 @@
 
 package org.openecomp.sdc.be.model.jsontitan.operations;
 
-import fj.data.Either;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Set;
 import java.util.UUID;
+
 import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
 import org.openecomp.sdc.be.dao.jsongraph.types.EdgeLabelEnum;
 import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
@@ -36,6 +36,8 @@ import org.openecomp.sdc.common.jsongraph.util.CommonUtility;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import fj.data.Either;
+
 @org.springframework.stereotype.Component("interfaces-operation")
 public class InterfaceOperation extends BaseOperation {
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/NodeTemplateOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/NodeTemplateOperation.java
index 3dc39b3a99..561a95b693 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/NodeTemplateOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/NodeTemplateOperation.java
@@ -28,11 +28,11 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.function.BiConsumer;
-import java.util.function.BiPredicate;
 import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
+import java.util.function.BiConsumer;
+import java.util.function.BiPredicate;
 import java.util.stream.Collectors;
 
 import org.apache.commons.collections.CollectionUtils;
@@ -69,7 +69,22 @@ import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
 import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
 import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
-import org.openecomp.sdc.be.model.*;
+import org.openecomp.sdc.be.model.ArtifactDefinition;
+import org.openecomp.sdc.be.model.CapabilityDefinition;
+import org.openecomp.sdc.be.model.CapabilityRequirementRelationship;
+import org.openecomp.sdc.be.model.Component;
+import org.openecomp.sdc.be.model.ComponentInstance;
+import org.openecomp.sdc.be.model.ComponentInstanceInput;
+import org.openecomp.sdc.be.model.ComponentInstanceProperty;
+import org.openecomp.sdc.be.model.ComponentParametersView;
+import org.openecomp.sdc.be.model.GroupDefinition;
+import org.openecomp.sdc.be.model.GroupInstance;
+import org.openecomp.sdc.be.model.RelationshipImpl;
+import org.openecomp.sdc.be.model.RelationshipInfo;
+import org.openecomp.sdc.be.model.RequirementCapabilityRelDef;
+import org.openecomp.sdc.be.model.RequirementDefinition;
+import org.openecomp.sdc.be.model.Resource;
+import org.openecomp.sdc.be.model.User;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.NodeType;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.TopologyTemplate;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.ToscaElement;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/PolicyOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/PolicyOperation.java
index 06770318aa..d775f44bdb 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/PolicyOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/PolicyOperation.java
@@ -1,5 +1,9 @@
 package org.openecomp.sdc.be.model.jsontitan.operations;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
 import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
 import org.openecomp.sdc.be.dao.jsongraph.TitanDao;
 import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
@@ -12,10 +16,6 @@ import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-
 @org.springframework.stereotype.Component
 public class PolicyOperation {
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java
index 355a6e28a5..d109439cc1 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java
@@ -20,8 +20,15 @@
 
 package org.openecomp.sdc.be.model.jsontitan.operations;
 
-import com.google.gson.reflect.TypeToken;
-import fj.data.Either;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
+
 import org.apache.commons.collections.MapUtils;
 import org.apache.tinkerpop.gremlin.structure.Direction;
 import org.apache.tinkerpop.gremlin.structure.Edge;
@@ -69,14 +76,9 @@ import org.openecomp.sdc.common.jsongraph.util.CommonUtility.LogLevelEnum;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.lang.reflect.Type;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.stream.Collectors;
+import com.google.gson.reflect.TypeToken;
+
+import fj.data.Either;
 
 @org.springframework.stereotype.Component("topology-template-operation")
 public class TopologyTemplateOperation extends ToscaElementOperation {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ToscaOperationFacade.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ToscaOperationFacade.java
index b1b886bc62..0ae3532169 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ToscaOperationFacade.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ToscaOperationFacade.java
@@ -20,7 +20,21 @@
 
 package org.openecomp.sdc.be.model.jsontitan.operations;
 
-import fj.data.Either;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.EnumMap;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.BiPredicate;
+import java.util.stream.Collectors;
+
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -31,13 +45,44 @@ import org.openecomp.sdc.be.dao.jsongraph.types.EdgeLabelEnum;
 import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
 import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
 import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
-import org.openecomp.sdc.be.datatypes.elements.*;
+import org.openecomp.sdc.be.datatypes.elements.ArtifactDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.CapabilityDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.GroupDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ListCapabilityDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ListRequirementDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapArtifactDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapCapabiltyProperty;
+import org.openecomp.sdc.be.datatypes.elements.MapListCapabiltyDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapListRequirementDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.MapPropertiesDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.RequirementDataDefinition;
 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
 import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
 import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
 import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
-import org.openecomp.sdc.be.model.*;
+import org.openecomp.sdc.be.model.ArtifactDefinition;
+import org.openecomp.sdc.be.model.CapabilityDefinition;
+import org.openecomp.sdc.be.model.Component;
+import org.openecomp.sdc.be.model.ComponentInstance;
+import org.openecomp.sdc.be.model.ComponentInstanceInput;
+import org.openecomp.sdc.be.model.ComponentInstanceProperty;
+import org.openecomp.sdc.be.model.ComponentParametersView;
+import org.openecomp.sdc.be.model.DistributionStatusEnum;
+import org.openecomp.sdc.be.model.GroupDefinition;
+import org.openecomp.sdc.be.model.GroupInstance;
+import org.openecomp.sdc.be.model.InputDefinition;
+import org.openecomp.sdc.be.model.LifecycleStateEnum;
+import org.openecomp.sdc.be.model.PolicyDefinition;
+import org.openecomp.sdc.be.model.PropertyDefinition;
+import org.openecomp.sdc.be.model.RelationshipInfo;
+import org.openecomp.sdc.be.model.RequirementCapabilityRelDef;
+import org.openecomp.sdc.be.model.RequirementDefinition;
+import org.openecomp.sdc.be.model.Resource;
+import org.openecomp.sdc.be.model.Service;
+import org.openecomp.sdc.be.model.User;
 import org.openecomp.sdc.be.model.catalog.CatalogComponent;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.TopologyTemplate;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.ToscaElement;
@@ -53,10 +98,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 
-import java.util.*;
-import java.util.Map.Entry;
-import java.util.function.BiPredicate;
-import java.util.stream.Collectors;
+import fj.data.Either;
 
 @org.springframework.stereotype.Component("tosca-operation-facade")
 public class ToscaOperationFacade {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/IdMapper.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/IdMapper.java
index 8c9d025a7b..37c21e812f 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/IdMapper.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/IdMapper.java
@@ -1,5 +1,8 @@
 package org.openecomp.sdc.be.model.jsontitan.utils;
 
+import java.util.Map;
+import java.util.Optional;
+
 import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
 import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.CompositionDataDefinition;
@@ -9,9 +12,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
-import java.util.Map;
-import java.util.Optional;
-
 /**
  * Created by yavivi on 12/02/2018.
  */
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
index df9702949a..6b22413d56 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
@@ -15,6 +15,15 @@
  */
 package org.openecomp.sdc.be.model.jsontitan.utils;
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Formatter;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
 import org.openecomp.sdc.be.datatypes.elements.InputDataDefinition;
@@ -25,15 +34,6 @@ import org.openecomp.sdc.be.model.InterfaceDefinition;
 import org.openecomp.sdc.be.model.Operation;
 import org.openecomp.sdc.be.model.Resource;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Formatter;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
 public class InterfaceUtils {
 
     public static final String INTERFACE_TOSCA_RESOURCE_NAME = "org.openecomp.interfaces.node.lifecycle.%s";
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/ModelConverter.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/ModelConverter.java
index 9fecbe7fba..bbe607b58c 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/ModelConverter.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/ModelConverter.java
@@ -40,6 +40,7 @@ import org.openecomp.sdc.be.datatypes.elements.ArtifactDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.CapabilityDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.CompositionDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.GroupDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.GroupInstanceDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.InterfaceDataDefinition;
@@ -84,7 +85,6 @@ import org.openecomp.sdc.be.model.jsontitan.datamodel.TopologyTemplate;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.ToscaElement;
 import org.openecomp.sdc.be.model.jsontitan.datamodel.ToscaElementTypeEnum;
 import org.openecomp.sdc.be.model.jsontitan.enums.JsonConstantKeysEnum;
-import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
 import org.openecomp.sdc.be.resources.data.ComponentMetadataData;
 import org.openecomp.sdc.be.resources.data.ProductMetadataData;
 import org.openecomp.sdc.be.resources.data.ResourceMetadataData;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/DerivedFromOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/DerivedFromOperation.java
index 0dc03ad363..73abef3efb 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/DerivedFromOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/DerivedFromOperation.java
@@ -1,10 +1,11 @@
 package org.openecomp.sdc.be.model.operations.api;
 
-import fj.data.Either;
 import org.openecomp.sdc.be.dao.graph.datatype.GraphNode;
 import org.openecomp.sdc.be.dao.graph.datatype.GraphRelation;
 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
 
+import fj.data.Either;
+
 public interface DerivedFromOperation {
 
     /**
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPolicyTypeOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPolicyTypeOperation.java
index 526cbd282d..46a6aefa05 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPolicyTypeOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPolicyTypeOperation.java
@@ -20,12 +20,13 @@
 
 package org.openecomp.sdc.be.model.operations.api;
 
-import fj.data.Either;
-import org.openecomp.sdc.be.model.PolicyTypeDefinition;
-
 import java.util.List;
 import java.util.Set;
 
+import org.openecomp.sdc.be.model.PolicyTypeDefinition;
+
+import fj.data.Either;
+
 public interface IPolicyTypeOperation {
 
     Either<PolicyTypeDefinition, StorageOperationStatus> getLatestPolicyTypeByType(String policyTypeName);
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPropertyOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPropertyOperation.java
index d1a51677fe..c3218e666c 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPropertyOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/api/IPropertyOperation.java
@@ -20,14 +20,15 @@
 
 package org.openecomp.sdc.be.model.operations.api;
 
-import fj.data.Either;
+import java.util.Map;
+
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
 import org.openecomp.sdc.be.model.DataTypeDefinition;
 import org.openecomp.sdc.be.model.IComplexDefaultValue;
 import org.openecomp.sdc.be.model.PropertyDefinition;
 
-import java.util.Map;
+import fj.data.Either;
 
 public interface IPropertyOperation {
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/AdditionalInformationOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/AdditionalInformationOperation.java
index 65abcd4d4f..8f34b3207e 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/AdditionalInformationOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/AdditionalInformationOperation.java
@@ -51,7 +51,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
-import com.thinkaurelius.titan.core.TitanTransaction;
 import com.thinkaurelius.titan.core.TitanVertex;
 
 import fj.data.Either;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/CsarOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/CsarOperation.java
index 5b9af033ea..88edb1fd9e 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/CsarOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/CsarOperation.java
@@ -27,6 +27,7 @@ import java.nio.file.Files;
 import java.util.Map;
 
 import javax.annotation.PostConstruct;
+
 import org.apache.commons.io.filefilter.WildcardFileFilter;
 import org.openecomp.sdc.be.model.User;
 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/DefaultDerivedFromOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/DefaultDerivedFromOperation.java
index fc78ada054..2e5da8ddda 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/DefaultDerivedFromOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/DefaultDerivedFromOperation.java
@@ -1,6 +1,5 @@
 package org.openecomp.sdc.be.model.operations.impl;
 
-import fj.data.Either;
 import org.apache.commons.lang3.tuple.Pair;
 import org.openecomp.sdc.be.dao.graph.datatype.GraphNode;
 import org.openecomp.sdc.be.dao.graph.datatype.GraphRelation;
@@ -15,6 +14,8 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
+import fj.data.Either;
+
 @Component
 public class DefaultDerivedFromOperation implements DerivedFromOperation {
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupInstanceOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupInstanceOperation.java
index 3b7b5def2e..0b13fe1962 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupInstanceOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupInstanceOperation.java
@@ -42,7 +42,6 @@ import org.openecomp.sdc.be.dao.neo4j.GraphEdgeLabels;
 import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
 import org.openecomp.sdc.be.dao.titan.TitanGenericDao;
 import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
-import org.openecomp.sdc.be.datatypes.elements.GroupInstanceDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.SchemaDefinition;
 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
@@ -63,7 +62,6 @@ import org.openecomp.sdc.be.resources.data.PropertyData;
 import org.openecomp.sdc.be.resources.data.PropertyValueData;
 import org.openecomp.sdc.be.resources.data.UniqueIdData;
 import org.openecomp.sdc.common.datastructure.Wrapper;
-import org.openecomp.sdc.common.util.ValidationUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupTypeOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupTypeOperation.java
index e9236fc9af..b17bab3d04 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupTypeOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/GroupTypeOperation.java
@@ -20,9 +20,18 @@
 
 package org.openecomp.sdc.be.model.operations.impl;
 
-import com.google.common.base.Strings;
-import com.thinkaurelius.titan.graphdb.query.TitanPredicate;
-import fj.data.Either;
+import static org.openecomp.sdc.be.dao.titan.TitanUtils.buildNotInPredicate;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import javax.annotation.Resource;
+
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.apache.tinkerpop.gremlin.structure.Edge;
@@ -50,16 +59,10 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.stereotype.Component;
 
-import javax.annotation.Resource;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
+import com.google.common.base.Strings;
+import com.thinkaurelius.titan.graphdb.query.TitanPredicate;
 
-import static org.openecomp.sdc.be.dao.titan.TitanUtils.buildNotInPredicate;
+import fj.data.Either;
 
 @Component("group-type-operation")
 public class GroupTypeOperation extends AbstractOperation implements IGroupTypeOperation {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/HeatParametersOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/HeatParametersOperation.java
index c6abe8a849..7b7ead5a19 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/HeatParametersOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/HeatParametersOperation.java
@@ -47,8 +47,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
-import com.google.gson.Gson;
-
 import fj.data.Either;
 
 @Component("heat-parameter-operation")
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/InterfaceLifecycleOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/InterfaceLifecycleOperation.java
index 4e9506f8db..53a7f39001 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/InterfaceLifecycleOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/InterfaceLifecycleOperation.java
@@ -50,8 +50,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
-import com.thinkaurelius.titan.core.TitanVertex;
-
 import fj.data.Either;
 
 @Component("interface-operation")
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PolicyTypeOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PolicyTypeOperation.java
index 799c01692d..11355f3387 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PolicyTypeOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PolicyTypeOperation.java
@@ -20,8 +20,15 @@
 
 package org.openecomp.sdc.be.model.operations.impl;
 
-import com.thinkaurelius.titan.graphdb.query.TitanPredicate;
-import fj.data.Either;
+import static org.openecomp.sdc.be.dao.titan.TitanUtils.buildNotInPredicate;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
 import org.openecomp.sdc.be.config.BeEcompErrorManager;
 import org.openecomp.sdc.be.dao.graph.datatype.GraphRelation;
 import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
@@ -40,14 +47,9 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.stream.Collectors;
+import com.thinkaurelius.titan.graphdb.query.TitanPredicate;
 
-import static org.openecomp.sdc.be.dao.titan.TitanUtils.buildNotInPredicate;
+import fj.data.Either;
 
 @Component("policy-type-operation")
 public class PolicyTypeOperation extends AbstractOperation implements IPolicyTypeOperation {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java
index f0d0b514ab..86e5b1b466 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java
@@ -20,20 +20,22 @@
 
 package org.openecomp.sdc.be.model.operations.impl;
 
-import com.fasterxml.jackson.core.ObjectCodec;
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.google.gson.JsonArray;
-import com.google.gson.JsonDeserializationContext;
-import com.google.gson.JsonDeserializer;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParseException;
-import com.google.gson.JsonParser;
-import com.google.gson.JsonSerializationContext;
-import com.google.gson.JsonSerializer;
-import com.thinkaurelius.titan.core.TitanVertex;
-import fj.data.Either;
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.StringJoiner;
+import java.util.function.Consumer;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.apache.tinkerpop.gremlin.structure.Edge;
@@ -80,22 +82,21 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
-import java.io.IOException;
-import java.lang.reflect.Type;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.StringJoiner;
-import java.util.function.Consumer;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
+import com.fasterxml.jackson.core.ObjectCodec;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParseException;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+import com.thinkaurelius.titan.core.TitanVertex;
+
+import fj.data.Either;
 
 @Component("property-operation")
 public class PropertyOperation extends AbstractOperation implements IPropertyOperation {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/DataTypeValidatorConverter.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/DataTypeValidatorConverter.java
index 31cec74f0d..ed58bc221b 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/DataTypeValidatorConverter.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/DataTypeValidatorConverter.java
@@ -29,13 +29,11 @@ import java.util.Set;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.openecomp.sdc.be.model.DataTypeDefinition;
 import org.openecomp.sdc.be.model.PropertyDefinition;
-import org.openecomp.sdc.be.model.operations.impl.PropertyOperation;
 import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
 import org.openecomp.sdc.be.model.tosca.converters.PropertyValueConverter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/ListValidator.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/ListValidator.java
index d4331937c8..8eb784029b 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/ListValidator.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/ListValidator.java
@@ -20,10 +20,8 @@
 
 package org.openecomp.sdc.be.model.tosca.validators;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonParser;
-import com.google.gson.JsonSyntaxException;
+import java.util.Map;
+
 import org.openecomp.sdc.be.config.BeEcompErrorManager;
 import org.openecomp.sdc.be.model.DataTypeDefinition;
 import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
@@ -31,7 +29,10 @@ import org.openecomp.sdc.common.util.JsonUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Map;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonSyntaxException;
 
 public class ListValidator implements PropertyTypeValidator {
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiComponentDataTransfer.java b/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiComponentDataTransfer.java
index f324cf83ad..eaf887b003 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiComponentDataTransfer.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiComponentDataTransfer.java
@@ -20,13 +20,23 @@
 
 package org.openecomp.sdc.be.ui.model;
 
-import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
-import org.openecomp.sdc.be.model.*;
-import org.openecomp.sdc.be.model.category.CategoryDefinition;
-
 import java.util.List;
 import java.util.Map;
 
+import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
+import org.openecomp.sdc.be.model.AdditionalInformationDefinition;
+import org.openecomp.sdc.be.model.ArtifactDefinition;
+import org.openecomp.sdc.be.model.CapabilityDefinition;
+import org.openecomp.sdc.be.model.ComponentInstance;
+import org.openecomp.sdc.be.model.ComponentInstanceInput;
+import org.openecomp.sdc.be.model.ComponentInstanceProperty;
+import org.openecomp.sdc.be.model.GroupDefinition;
+import org.openecomp.sdc.be.model.InputDefinition;
+import org.openecomp.sdc.be.model.PolicyDefinition;
+import org.openecomp.sdc.be.model.RequirementCapabilityRelDef;
+import org.openecomp.sdc.be.model.RequirementDefinition;
+import org.openecomp.sdc.be.model.category.CategoryDefinition;
+
 public class UiComponentDataTransfer {
 
 
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiServiceDataTransfer.java b/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiServiceDataTransfer.java
index c784a598ab..197f3883b2 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiServiceDataTransfer.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/ui/model/UiServiceDataTransfer.java
@@ -20,10 +20,10 @@
 
 package org.openecomp.sdc.be.ui.model;
 
+import java.util.Map;
+
 import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
 import org.openecomp.sdc.be.model.ArtifactDefinition;
-
-import java.util.Map;
 public class UiServiceDataTransfer extends UiComponentDataTransfer {