Support TOSCA functions in Node Filters

Adds support to use tosca functions as value in the node property
filters and substitution filters

Change-Id: Id242691cc9ddd233245b58f052b9f0e2c7bbd66b
Issue-ID: SDC-4128
Signed-off-by: André Schmid <andre.schmid@est.tech>

24 files changed, 298 insertions, 146 deletions

diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ParsedToscaYamlInfo.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ParsedToscaYamlInfo.java
index 6af88e1215..326cfca202 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ParsedToscaYamlInfo.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ParsedToscaYamlInfo.java
@@ -24,7 +24,7 @@ import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
-import org.openecomp.sdc.be.datatypes.elements.RequirementSubstitutionFilterPropertyDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.SubstitutionFilterPropertyDataDefinition;
 
 @ToString
 @Getter
@@ -37,6 +37,6 @@ public class ParsedToscaYamlInfo {
     Map<String, GroupDefinition> groups;
     Map<String, PolicyDefinition> policies;
     Map<String, PropertyDefinition> properties;
-    ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> substitutionFilterProperties;
+    ListDataDefinition<SubstitutionFilterPropertyDataDefinition> substitutionFilterProperties;
     String substitutionMappingNodeType;
 }
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/PropertyConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/PropertyConstraint.java
index 6bc8083118..12a79ec90e 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/PropertyConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/PropertyConstraint.java
@@ -21,7 +21,7 @@ package org.openecomp.sdc.be.model;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
-import org.openecomp.sdc.be.model.tosca.constraints.ConstraintType;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintValueDoNotMatchPropertyTypeException;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintViolationException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ToscaPropertyData.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ToscaPropertyData.java
index 14c95757c7..6626d9aa3d 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/ToscaPropertyData.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/ToscaPropertyData.java
@@ -26,6 +26,7 @@ package org.openecomp.sdc.be.model;
  */
 public interface ToscaPropertyData {
     String getUniqueId();
+    String getName();
     String getType();
     String getSchemaType();
 }
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/dto/FilterConstraintDto.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/dto/FilterConstraintDto.java
new file mode 100644
index 0000000000..b9ceb11276
--- /dev/null
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/dto/FilterConstraintDto.java
@@ -0,0 +1,58 @@
+/*
+ * -
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation.
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.model.dto;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.util.Optional;
+import lombok.Data;
+import org.openecomp.sdc.be.datatypes.elements.ToscaGetFunctionDataDefinition;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
+import org.openecomp.sdc.be.datatypes.enums.FilterValueType;
+import org.openecomp.sdc.be.datatypes.enums.PropertyFilterTargetType;
+
+@Data
+public class FilterConstraintDto {
+
+    private String propertyName;
+    private String capabilityName;
+    private PropertyFilterTargetType targetType;
+    private ConstraintType operator;
+    private FilterValueType valueType;
+    private Object value;
+
+    public boolean isCapabilityPropertyFilter() {
+        return capabilityName != null;
+    }
+
+    public Optional<ToscaGetFunctionDataDefinition> getAsToscaGetFunction() {
+        if (value instanceof ToscaGetFunctionDataDefinition) {
+            return Optional.of((ToscaGetFunctionDataDefinition) value);
+        }
+        try {
+            return Optional.of(new ObjectMapper().convertValue(value, ToscaGetFunctionDataDefinition.class));
+        } catch (final Exception ignored) {
+            return Optional.empty();
+        }
+    }
+
+}
+
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/NodeFilterOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/NodeFilterOperation.java
index 2d0693af76..3dc2a73466 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/NodeFilterOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/NodeFilterOperation.java
@@ -19,8 +19,6 @@
  */
 package org.openecomp.sdc.be.model.jsonjanusgraph.operations;
 
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
 import fj.data.Either;
 import java.util.ArrayList;
 import java.util.List;
@@ -33,8 +31,8 @@ import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
 import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
 import org.openecomp.sdc.be.datatypes.elements.CINodeFilterDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.PropertyFilterDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.RequirementNodeFilterCapabilityDataDefinition;
-import org.openecomp.sdc.be.datatypes.elements.RequirementNodeFilterPropertyDataDefinition;
 import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
 import org.openecomp.sdc.be.datatypes.enums.NodeFilterConstraintType;
 import org.openecomp.sdc.be.model.Component;
@@ -69,7 +67,7 @@ public class NodeFilterOperation extends BaseOperation {
 
     public Either<String, StorageOperationStatus> deleteNodeFilter(final Component component, final String componentInstanceId) {
         final Either<Set<String>, StorageOperationStatus> listStorageOperationStatusEither = deleteNodeFilters(component,
-            ImmutableSet.of(componentInstanceId));
+            Set.of(componentInstanceId));
         if (listStorageOperationStatusEither.isRight()) {
             return Either.right(listStorageOperationStatusEither.right().value());
         }
@@ -86,7 +84,7 @@ public class NodeFilterOperation extends BaseOperation {
                                                                                        final int propertyIndex,
                                                                                        final NodeFilterConstraintType nodeFilterConstraintType) {
         if (NodeFilterConstraintType.PROPERTIES.equals(nodeFilterConstraintType)) {
-            final ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> properties = nodeFilterDataDefinition.getProperties();
+            final ListDataDefinition<PropertyFilterDataDefinition> properties = nodeFilterDataDefinition.getProperties();
             properties.getListToscaDataDefinition().remove(propertyIndex);
             nodeFilterDataDefinition.setProperties(properties);
         } else if (NodeFilterConstraintType.CAPABILITIES.equals(nodeFilterConstraintType)) {
@@ -97,22 +95,22 @@ public class NodeFilterOperation extends BaseOperation {
         return addOrUpdateNodeFilter(true, serviceId, componentInstanceId, nodeFilterDataDefinition);
     }
 
-    public Either<CINodeFilterDataDefinition, StorageOperationStatus> addNewProperty(final String componentId, final String componentInstanceId,
-                                                                                     final CINodeFilterDataDefinition nodeFilterDataDefinition,
-                                                                                     final RequirementNodeFilterPropertyDataDefinition requirementNodeFilterPropertyDataDefinition) {
-        ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> properties = nodeFilterDataDefinition.getProperties();
+    public Either<CINodeFilterDataDefinition, StorageOperationStatus> addPropertyFilter(final String componentId, final String componentInstanceId,
+                                                                                        final CINodeFilterDataDefinition nodeFilterDataDefinition,
+                                                                                        final PropertyFilterDataDefinition propertyFilterDataDefinition) {
+        ListDataDefinition<PropertyFilterDataDefinition> properties = nodeFilterDataDefinition.getProperties();
         if (properties == null) {
             properties = new ListDataDefinition<>();
             nodeFilterDataDefinition.setProperties(properties);
         }
-        properties.getListToscaDataDefinition().add(requirementNodeFilterPropertyDataDefinition);
+        properties.getListToscaDataDefinition().add(propertyFilterDataDefinition);
         nodeFilterDataDefinition.setProperties(properties);
         return addOrUpdateNodeFilter(true, componentId, componentInstanceId, nodeFilterDataDefinition);
     }
 
-    public Either<CINodeFilterDataDefinition, StorageOperationStatus> addNewCapabilities(final String componentId, final String componentInstanceId,
-                                                                                         final CINodeFilterDataDefinition nodeFilterDataDefinition,
-                                                                                         final RequirementNodeFilterCapabilityDataDefinition requirementNodeFilterCapabilityDataDefinition) {
+    public Either<CINodeFilterDataDefinition, StorageOperationStatus> addCapabilities(final String componentId, final String componentInstanceId,
+                                                                                      final CINodeFilterDataDefinition nodeFilterDataDefinition,
+                                                                                      final RequirementNodeFilterCapabilityDataDefinition requirementNodeFilterCapabilityDataDefinition) {
         ListDataDefinition<RequirementNodeFilterCapabilityDataDefinition> capabilities = nodeFilterDataDefinition.getCapabilities();
         if (capabilities == null) {
             capabilities = new ListDataDefinition<>();
@@ -124,9 +122,9 @@ public class NodeFilterOperation extends BaseOperation {
                 .filter(def -> def.getName().equals(requirementNodeFilterCapabilityDataDefinition.getName())).findAny();
         
         if (existingCap.isPresent()) {
-            final ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> newProperties  = requirementNodeFilterCapabilityDataDefinition.getProperties();
-            final ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> existingProperties = existingCap.get().getProperties();
-            newProperties.getListToscaDataDefinition().stream().forEach((prop -> existingProperties.add(prop))) ;
+            final ListDataDefinition<PropertyFilterDataDefinition> newProperties  = requirementNodeFilterCapabilityDataDefinition.getProperties();
+            final ListDataDefinition<PropertyFilterDataDefinition> existingProperties = existingCap.get().getProperties();
+            newProperties.getListToscaDataDefinition().forEach((existingProperties::add)) ;
         } else {
             capabilities.getListToscaDataDefinition().add(requirementNodeFilterCapabilityDataDefinition);
         }
@@ -134,26 +132,6 @@ public class NodeFilterOperation extends BaseOperation {
         return addOrUpdateNodeFilter(true, componentId, componentInstanceId, nodeFilterDataDefinition);
     }
 
-    public Either<CINodeFilterDataDefinition, StorageOperationStatus> updateProperties(final String componentId, final String componentInstanceId,
-                                                                                       final CINodeFilterDataDefinition nodeFilterDataDefinition,
-                                                                                       final List<RequirementNodeFilterPropertyDataDefinition> requirementNodeFilterPropertyDataDefinition) {
-        final ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> properties = nodeFilterDataDefinition.getProperties();
-        properties.getListToscaDataDefinition().clear();
-        properties.getListToscaDataDefinition().addAll(requirementNodeFilterPropertyDataDefinition);
-        nodeFilterDataDefinition.setProperties(properties);
-        return addOrUpdateNodeFilter(true, componentId, componentInstanceId, nodeFilterDataDefinition);
-    }
-
-    public Either<CINodeFilterDataDefinition, StorageOperationStatus> updateCapabilities(final String componentId, final String componentInstanceId,
-                                                                                         final CINodeFilterDataDefinition nodeFilterDataDefinition,
-                                                                                         final List<RequirementNodeFilterCapabilityDataDefinition> requirementNodeFilterCapabilityDataDefinitions) {
-        final ListDataDefinition<RequirementNodeFilterCapabilityDataDefinition> capabilities = nodeFilterDataDefinition.getCapabilities();
-        capabilities.getListToscaDataDefinition().clear();
-        capabilities.getListToscaDataDefinition().addAll(requirementNodeFilterCapabilityDataDefinitions);
-        nodeFilterDataDefinition.setCapabilities(capabilities);
-        return addOrUpdateNodeFilter(true, componentId, componentInstanceId, nodeFilterDataDefinition);
-    }
-
     public Either<CINodeFilterDataDefinition, StorageOperationStatus> updateNodeFilter(final String serviceId, final String componentInstanceId,
                                                                                        final CINodeFilterDataDefinition ciNodeFilterDataDefinition) {
         return addOrUpdateNodeFilter(true, serviceId, componentInstanceId, ciNodeFilterDataDefinition);
@@ -169,20 +147,19 @@ public class NodeFilterOperation extends BaseOperation {
     private Either<CINodeFilterDataDefinition, StorageOperationStatus> addOrUpdateNodeFilter(final boolean isUpdateAction, final String componentId,
                                                                                              final String componentInstanceId,
                                                                                              final CINodeFilterDataDefinition ciNodeFilterDataDefinition) {
-        StorageOperationStatus statusRes;
-        Either<GraphVertex, JanusGraphOperationStatus> getToscaElementRes;
-        getToscaElementRes = janusGraphDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
-        if (getToscaElementRes.isRight()) {
-            JanusGraphOperationStatus status = getToscaElementRes.right().value();
+
+        final Either<GraphVertex, JanusGraphOperationStatus> serviceVertexEither =
+            janusGraphDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
+        if (serviceVertexEither.isRight()) {
+            JanusGraphOperationStatus status = serviceVertexEither.right().value();
             CommonUtility
                 .addRecordToLog(logger, CommonUtility.LogLevelEnum.DEBUG, "Failed to get tosca element {} upon adding the properties. Status is {}. ",
                     componentId, status);
-            statusRes = DaoStatusConverter.convertJanusGraphStatusToStorageStatus(status);
-            return Either.right(statusRes);
+            return Either.right(DaoStatusConverter.convertJanusGraphStatusToStorageStatus(status));
         }
-        GraphVertex serviceVertex = getToscaElementRes.left().value();
+        final GraphVertex serviceVertex = serviceVertexEither.left().value();
         ciNodeFilterDataDefinition.setID(componentInstanceId);
-        statusRes = performUpdateToscaAction(isUpdateAction, serviceVertex, ImmutableList.of(ciNodeFilterDataDefinition));
+        final StorageOperationStatus statusRes = performUpdateToscaAction(isUpdateAction, serviceVertex, List.of(ciNodeFilterDataDefinition));
         if (!statusRes.equals(StorageOperationStatus.OK)) {
             janusGraphDao.rollback();
             logger.error(" Failed to perform tosca update for node filter in service {} , component instance {}. status is {}", componentId,
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/SubstitutionFilterOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/SubstitutionFilterOperation.java
index b4873fa78a..ca50f42453 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/SubstitutionFilterOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/operations/SubstitutionFilterOperation.java
@@ -18,7 +18,6 @@
  */
 package org.openecomp.sdc.be.model.jsonjanusgraph.operations;
 
-import com.google.common.collect.ImmutableList;
 import fj.data.Either;
 import java.util.List;
 import java.util.Objects;
@@ -28,8 +27,8 @@ 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.datatypes.elements.ListDataDefinition;
-import org.openecomp.sdc.be.datatypes.elements.RequirementSubstitutionFilterPropertyDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.SubstitutionFilterDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.SubstitutionFilterPropertyDataDefinition;
 import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
 import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
@@ -50,7 +49,7 @@ public class SubstitutionFilterOperation extends BaseOperation {
     public Either<SubstitutionFilterDataDefinition, StorageOperationStatus> deleteConstraint(final String serviceId,
                                                                                              final SubstitutionFilterDataDefinition substitutionFilterDataDefinition,
                                                                                              final int propertyIndex) {
-        final ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> properties = substitutionFilterDataDefinition.getProperties();
+        final ListDataDefinition<SubstitutionFilterPropertyDataDefinition> properties = substitutionFilterDataDefinition.getProperties();
         properties.getListToscaDataDefinition().remove(propertyIndex);
         substitutionFilterDataDefinition.setProperties(properties);
         return addOrUpdateSubstitutionFilter(true, serviceId, substitutionFilterDataDefinition);
@@ -58,26 +57,34 @@ public class SubstitutionFilterOperation extends BaseOperation {
 
     public Either<SubstitutionFilterDataDefinition, StorageOperationStatus> addPropertyFilter(final String componentId,
                                                                                               final SubstitutionFilterDataDefinition substitutionFilterDataDefinition,
-                                                                                              final RequirementSubstitutionFilterPropertyDataDefinition substitutionFilterPropertyDataDefinition) {
+                                                                                              final SubstitutionFilterPropertyDataDefinition substitutionFilterPropertyDataDefinition) {
         final SubstitutionFilterDataDefinition substitutionFilterDataDefinition1 = Objects
             .requireNonNullElseGet(substitutionFilterDataDefinition, SubstitutionFilterDataDefinition::new);
-        final ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> properties = Objects
+        final ListDataDefinition<SubstitutionFilterPropertyDataDefinition> properties = Objects
             .requireNonNullElseGet(substitutionFilterDataDefinition1.getProperties(), ListDataDefinition::new);
         properties.getListToscaDataDefinition().add(substitutionFilterPropertyDataDefinition);
         substitutionFilterDataDefinition1.setProperties(properties);
         return addOrUpdateSubstitutionFilter(true, componentId, substitutionFilterDataDefinition1);
     }
 
-    public Either<SubstitutionFilterDataDefinition, StorageOperationStatus> updateProperties(final String componentId,
-                                                                                             final SubstitutionFilterDataDefinition substitutionFilterDataDefinition,
-                                                                                             final List<RequirementSubstitutionFilterPropertyDataDefinition> requirementSubstitutionFilterPropertyDataDefinition) {
-        final ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> properties = substitutionFilterDataDefinition.getProperties();
+    public Either<SubstitutionFilterDataDefinition, StorageOperationStatus> updatePropertyFilters(final String componentId,
+                                                                                                  final SubstitutionFilterDataDefinition substitutionFilterDataDefinition,
+                                                                                                  final List<SubstitutionFilterPropertyDataDefinition> substitutionFilterPropertyDataDefinition) {
+        final ListDataDefinition<SubstitutionFilterPropertyDataDefinition> properties = substitutionFilterDataDefinition.getProperties();
         properties.getListToscaDataDefinition().clear();
-        properties.getListToscaDataDefinition().addAll(requirementSubstitutionFilterPropertyDataDefinition);
+        properties.getListToscaDataDefinition().addAll(substitutionFilterPropertyDataDefinition);
         substitutionFilterDataDefinition.setProperties(properties);
         return addOrUpdateSubstitutionFilter(true, componentId, substitutionFilterDataDefinition);
     }
 
+    public Either<SubstitutionFilterDataDefinition, StorageOperationStatus> updatePropertyFilter(final String componentId,
+                                                                                                 final SubstitutionFilterDataDefinition substitutionFilter,
+                                                                                                 final SubstitutionFilterPropertyDataDefinition substitutionFilterProperty,
+                                                                                                 final int index) {
+        substitutionFilter.getProperties().getListToscaDataDefinition().set(index, substitutionFilterProperty);
+        return addOrUpdateSubstitutionFilter(true, componentId, substitutionFilter);
+    }
+
     private Either<SubstitutionFilterDataDefinition, StorageOperationStatus> addOrUpdateSubstitutionFilter(final boolean isUpdateAction,
                                                                                                            final String componentId,
                                                                                                            final SubstitutionFilterDataDefinition substitutionFilterDataDefinition) {
@@ -92,7 +99,7 @@ public class SubstitutionFilterOperation extends BaseOperation {
         final GraphVertex serviceVertex = toscaElementEither.left().value();
         substitutionFilterDataDefinition.setID(componentId);
         final StorageOperationStatus operationStatus = performUpdateToscaAction(isUpdateAction, serviceVertex,
-            ImmutableList.of(substitutionFilterDataDefinition));
+            List.of(substitutionFilterDataDefinition));
         if (!StorageOperationStatus.OK.equals(operationStatus)) {
             janusGraphDao.rollback();
             LOGGER.error(EcompErrorSeverity.ERROR, EcompLoggerErrorCode.BUSINESS_PROCESS_ERROR,
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 b5215dc848..6b580527c4 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
@@ -82,12 +82,11 @@ import org.openecomp.sdc.be.model.DataTypeDefinition;
 import org.openecomp.sdc.be.model.IComplexDefaultValue;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.PropertyDefinition;
-import org.openecomp.sdc.be.model.validation.ToscaFunctionValidator;
 import org.openecomp.sdc.be.model.operations.api.DerivedFromOperation;
 import org.openecomp.sdc.be.model.operations.api.IPropertyOperation;
 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
 import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
-import org.openecomp.sdc.be.model.tosca.constraints.ConstraintType;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.tosca.constraints.GreaterOrEqualConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.GreaterThanConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.InRangeConstraint;
@@ -96,6 +95,7 @@ import org.openecomp.sdc.be.model.tosca.constraints.LessThanConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.MinLengthConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.ValidValuesConstraint;
 import org.openecomp.sdc.be.model.tosca.converters.PropertyValueConverter;
+import org.openecomp.sdc.be.model.validation.ToscaFunctionValidator;
 import org.openecomp.sdc.be.resources.data.ComponentInstanceData;
 import org.openecomp.sdc.be.resources.data.DataTypeData;
 import org.openecomp.sdc.be.resources.data.ModelData;
@@ -2145,7 +2145,7 @@ public class PropertyOperation extends AbstractOperation implements IPropertyOpe
                 Entry<String, JsonElement> element = set.iterator().next();
                 String key = element.getKey();
                 JsonElement value = element.getValue();
-                ConstraintType constraintType = ConstraintType.getByType(key);
+                ConstraintType constraintType = ConstraintType.findByType(key).orElse(null);
                 if (constraintType == null) {
                     log.warn("ConstraintType was not found for constraint name:{}", key);
                 } else {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/ToscaPropertyType.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/ToscaPropertyType.java
index ec7ca43155..364dfd33fb 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/ToscaPropertyType.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/ToscaPropertyType.java
@@ -71,10 +71,10 @@ public enum ToscaPropertyType {
     JSON("json", JsonValidator.getInstance(), JsonConverter.getInstance(), ToscaJsonValueConverter.getInstance());
     // @formatter:on
 
-    private String type;
-    private PropertyTypeValidator validator;
-    private PropertyValueConverter converter;
-    private ToscaValueConverter valueConverter;
+    private final String type;
+    private final PropertyTypeValidator validator;
+    private final PropertyValueConverter converter;
+    private final ToscaValueConverter valueConverter;
     private boolean isAbstract = false;
 
     ToscaPropertyType(String type, PropertyTypeValidator validator, PropertyValueConverter converter, ToscaValueConverter valueConverter) {
@@ -111,10 +111,7 @@ public enum ToscaPropertyType {
         if (ToscaPropertyType.MAP.getType().equals(dataTypeName) || ToscaPropertyType.LIST.getType().equals(dataTypeName)) {
             return false;
         }
-        if (isScalarType(dataTypeName)) {
-            return true;
-        }
-        return false;
+        return isScalarType(dataTypeName);
     }
 
     public static ToscaPropertyType getTypeIfScalar(String dataTypeName) {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/ConstraintType.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/ConstraintType.java
deleted file mode 100644
index 3647bd67d0..0000000000
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/ConstraintType.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * SDC
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-package org.openecomp.sdc.be.model.tosca.constraints;
-
-import java.util.Arrays;
-import java.util.List;
-
-public enum ConstraintType {
-    // @formatter:off
-    EQUAL("equal", "equal"),
-    IN_RANGE("inRange", "in_range"),
-    GREATER_THAN("greaterThan", "greater_than"),
-    GREATER_OR_EQUAL("greaterOrEqual", "greater_or_equal"),
-    LESS_OR_EQUAL("lessOrEqual", "less_or_equal"),
-    LENGTH("length", "length"),
-    MIN_LENGTH("minLength", "min_length"),
-    MAX_LENGTH("maxLength", "max_length"),
-    VALID_VALUES("validValues", "valid_values"),
-    LESS_THAN("lessThan", "less_than"),
-    SCHEMA("schema", "schema");
-    // @formatter:on
-
-    List<String> types;
-
-    private ConstraintType(String... types) {
-        this.types = Arrays.asList(types);
-    }
-
-    public static ConstraintType getByType(String type) {
-        for (ConstraintType inst : ConstraintType.values()) {
-            if (inst.getTypes().contains(type)) {
-                return inst;
-            }
-        }
-        return null;
-    }
-
-    public List<String> getTypes() {
-        return types;
-    }
-}
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/EqualConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/EqualConstraint.java
index 4b62b12897..c4b26f3077 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/EqualConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/EqualConstraint.java
@@ -21,6 +21,7 @@ package org.openecomp.sdc.be.model.tosca.constraints;
 
 import java.io.Serializable;
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterOrEqualConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterOrEqualConstraint.java
index dc50d7d549..d32ab721fc 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterOrEqualConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterOrEqualConstraint.java
@@ -23,6 +23,7 @@ import javax.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterThanConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterThanConstraint.java
index 0b76e97967..e50c8fe3d0 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterThanConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/GreaterThanConstraint.java
@@ -20,6 +20,7 @@
 package org.openecomp.sdc.be.model.tosca.constraints;
 
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/InRangeConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/InRangeConstraint.java
index bfb1b75a5c..d574816c5f 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/InRangeConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/InRangeConstraint.java
@@ -22,6 +22,7 @@ package org.openecomp.sdc.be.model.tosca.constraints;
 import com.google.common.collect.Lists;
 import java.util.List;
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LengthConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LengthConstraint.java
index 3c89ed1b07..457c824ac6 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LengthConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LengthConstraint.java
@@ -22,6 +22,7 @@ package org.openecomp.sdc.be.model.tosca.constraints;
 import java.util.List;
 import java.util.Map;
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessOrEqualConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessOrEqualConstraint.java
index 653c93bf29..62cec05a73 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessOrEqualConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessOrEqualConstraint.java
@@ -20,6 +20,7 @@
 package org.openecomp.sdc.be.model.tosca.constraints;
 
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessThanConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessThanConstraint.java
index 59c091f224..c721c5cd63 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessThanConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/LessThanConstraint.java
@@ -21,6 +21,7 @@ package org.openecomp.sdc.be.model.tosca.constraints;
 
 import javax.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MaxLengthConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MaxLengthConstraint.java
index 2535d972ca..004e431485 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MaxLengthConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MaxLengthConstraint.java
@@ -22,6 +22,7 @@ package org.openecomp.sdc.be.model.tosca.constraints;
 import java.util.List;
 import java.util.Map;
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MinLengthConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MinLengthConstraint.java
index 98fda80604..a2ff95512a 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MinLengthConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/MinLengthConstraint.java
@@ -22,6 +22,7 @@ package org.openecomp.sdc.be.model.tosca.constraints;
 import java.util.List;
 import java.util.Map;
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java
index e3f4d3e7e3..e519f1b7e4 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java
@@ -21,6 +21,7 @@ package org.openecomp.sdc.be.model.tosca.constraints;
 
 import java.util.regex.Pattern;
 import javax.validation.constraints.NotNull;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/ValidValuesConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/ValidValuesConstraint.java
index fb4685d716..1cafc213bb 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/ValidValuesConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/ValidValuesConstraint.java
@@ -26,6 +26,7 @@ import java.util.List;
 import java.util.Set;
 import javax.validation.constraints.NotNull;
 import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
 import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
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 0a537a5445..4a5cda2fdd 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
@@ -29,6 +29,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.openecomp.sdc.be.model.DataTypeDefinition;
 import org.openecomp.sdc.be.model.PropertyDefinition;
@@ -36,18 +38,13 @@ import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
 import org.openecomp.sdc.be.model.tosca.converters.PropertyValueConverter;
 import org.openecomp.sdc.common.log.wrappers.Logger;
 
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
 public class DataTypeValidatorConverter {
 
     private static final Logger log = Logger.getLogger(DataTypeValidatorConverter.class.getName());
-    private static DataTypeValidatorConverter dataTypeValidatorConverter = new DataTypeValidatorConverter();
-    JsonParser jsonParser = new JsonParser();
-    ImmutablePair<JsonElement, Boolean> falseResult = new ImmutablePair<>(null, false);
-    ImmutablePair<JsonElement, Boolean> trueEmptyResult = new ImmutablePair<>(null, true);
-    ImmutablePair<String, Boolean> trueStringEmptyResult = new ImmutablePair<>(null, true);
-    ImmutablePair<String, Boolean> falseStringEmptyResult = new ImmutablePair<>(null, true);
-
-    private DataTypeValidatorConverter() {
-    }
+    private static final DataTypeValidatorConverter dataTypeValidatorConverter = new DataTypeValidatorConverter();
+    private static final ImmutablePair<JsonElement, Boolean> falseResult = new ImmutablePair<>(null, false);
+    private static final ImmutablePair<JsonElement, Boolean> trueEmptyResult = new ImmutablePair<>(null, true);
 
     public static DataTypeValidatorConverter getInstance() {
         return dataTypeValidatorConverter;
@@ -101,7 +98,7 @@ public class DataTypeValidatorConverter {
                     String convertedValue = converter.convert(value, null, allDataTypes);
                     JsonElement element = null;
                     try {
-                        element = jsonParser.parse(convertedValue);
+                        element = JsonParser.parseString(convertedValue);
                     } catch (JsonSyntaxException e) {
                         log.debug("Failed to parse value {} of property {} {}", convertedValue, dataTypeDefinition.getName(), e);
                         return falseResult;
@@ -174,7 +171,7 @@ public class DataTypeValidatorConverter {
                                     element = new JsonPrimitive("");
                                 } else {
                                     try {
-                                        element = jsonParser.parse(convertedValue);
+                                        element = JsonParser.parseString(convertedValue);
                                     } catch (JsonSyntaxException e) {
                                         log.debug("Failed to parse value {} of type {}", convertedValue, propertyType, e);
                                         return falseResult;
@@ -237,9 +234,9 @@ public class DataTypeValidatorConverter {
         if (value == null || value.isEmpty()) {
             return true;
         }
-        JsonElement jsonElement = null;
+        JsonElement jsonElement;
         try {
-            jsonElement = jsonParser.parse(value);
+            jsonElement = JsonParser.parseString(value);
         } catch (JsonSyntaxException e) {
             log.debug("Failed to parse the value {} from type {}", value, dataTypeDefinition, e);
             return false;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/MapValidator.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/MapValidator.java
index 2635647467..d3424b8612 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/MapValidator.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/MapValidator.java
@@ -52,9 +52,8 @@ Keys always need " " around them.
 public class MapValidator implements PropertyTypeValidator {
 
     private static final Logger log = Logger.getLogger(MapValidator.class.getName());
-    private static MapValidator mapValidator = new MapValidator();
-    private static DataTypeValidatorConverter dataTypeValidatorConverter = DataTypeValidatorConverter.getInstance();
-    private static JsonParser jsonParser = new JsonParser();
+    private static final MapValidator mapValidator = new MapValidator();
+    private static final DataTypeValidatorConverter dataTypeValidatorConverter = DataTypeValidatorConverter.getInstance();
 
     public static MapValidator getInstance() {
         return mapValidator;
@@ -99,7 +98,7 @@ public class MapValidator implements PropertyTypeValidator {
             return isValid;
         }
         try {
-            JsonElement jsonObject = jsonParser.parse(value);
+            JsonElement jsonObject = JsonParser.parseString(value);
             if (!jsonObject.isJsonObject()) {
                 return false;
             }
@@ -134,7 +133,7 @@ public class MapValidator implements PropertyTypeValidator {
             return false;
         }
         try {
-            JsonElement jsonObject = jsonParser.parse(value);
+            JsonElement jsonObject = JsonParser.parseString(value);
             JsonObject asJsonObject = jsonObject.getAsJsonObject();
             Set<Entry<String, JsonElement>> entrySet = asJsonObject.entrySet();
             for (Entry<String, JsonElement> entry : entrySet) {
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/validation/FilterConstraintValidator.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/validation/FilterConstraintValidator.java
new file mode 100644
index 0000000000..634b1efe85
--- /dev/null
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/validation/FilterConstraintValidator.java
@@ -0,0 +1,39 @@
+/*
+ * -
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation.
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.model.validation;
+
+import org.openecomp.sdc.be.model.dto.FilterConstraintDto;
+
+/**
+ * Handle validation for a node/substitution filter constraint
+ */
+public interface FilterConstraintValidator {
+
+    /**
+     * Validates a node/substitution filter constraint
+     *
+     * @param filterConstraint the filter constraint
+     * @throws RuntimeException when the filter constraint is invalid
+     */
+    void validate(final FilterConstraintDto filterConstraint);
+
+}
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/ui/mapper/FilterConstraintMapper.java b/catalog-model/src/main/java/org/openecomp/sdc/be/ui/mapper/FilterConstraintMapper.java
new file mode 100644
index 0000000000..da486e47f5
--- /dev/null
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/ui/mapper/FilterConstraintMapper.java
@@ -0,0 +1,124 @@
+/*
+ * -
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation.
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.ui.mapper;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.gson.Gson;
+import java.util.Map;
+import java.util.Optional;
+import org.apache.commons.lang3.StringUtils;
+import org.openecomp.sdc.be.datatypes.elements.PropertyFilterConstraintDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ToscaFunction;
+import org.openecomp.sdc.be.datatypes.elements.ToscaFunctionType;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
+import org.openecomp.sdc.be.datatypes.enums.FilterValueType;
+import org.openecomp.sdc.be.datatypes.enums.PropertyFilterTargetType;
+import org.openecomp.sdc.be.model.dto.FilterConstraintDto;
+import org.openecomp.sdc.be.ui.model.UIConstraint;
+
+public class FilterConstraintMapper {
+
+    public FilterConstraintDto mapFrom(final UIConstraint uiConstraint) {
+        final var filterConstraint = new FilterConstraintDto();
+        ConstraintType.findByType(uiConstraint.getConstraintOperator()).ifPresent(filterConstraint::setOperator);
+        filterConstraint.setCapabilityName(uiConstraint.getCapabilityName());
+        filterConstraint.setPropertyName(uiConstraint.getServicePropertyName());
+        filterConstraint.setTargetType(StringUtils.isEmpty(uiConstraint.getCapabilityName()) ? PropertyFilterTargetType.PROPERTY : PropertyFilterTargetType.CAPABILITY);
+        FilterValueType.findByName(uiConstraint.getSourceType()).ifPresent(filterConstraint::setValueType);
+        filterConstraint.setValue(parseValueFromUiConstraint(uiConstraint.getValue()));
+        return filterConstraint;
+    }
+
+    public FilterConstraintDto mapFrom(final PropertyFilterConstraintDataDefinition propertyFilterConstraint) {
+        var filterConstraintDto = new FilterConstraintDto();
+        filterConstraintDto.setTargetType(propertyFilterConstraint.getTargetType());
+        filterConstraintDto.setPropertyName(propertyFilterConstraint.getPropertyName());
+        filterConstraintDto.setCapabilityName(propertyFilterConstraint.getCapabilityName());
+        filterConstraintDto.setOperator(propertyFilterConstraint.getOperator());
+        filterConstraintDto.setValueType(propertyFilterConstraint.getValueType());
+        filterConstraintDto.setValue(propertyFilterConstraint.getValue());
+        return filterConstraintDto;
+    }
+
+    public PropertyFilterConstraintDataDefinition mapTo(final FilterConstraintDto filterConstraintDto) {
+        var propertyFilterConstraint = new PropertyFilterConstraintDataDefinition();
+        propertyFilterConstraint.setTargetType(filterConstraintDto.getTargetType());
+        propertyFilterConstraint.setPropertyName(filterConstraintDto.getPropertyName());
+        propertyFilterConstraint.setCapabilityName(filterConstraintDto.getCapabilityName());
+        propertyFilterConstraint.setOperator(filterConstraintDto.getOperator());
+        propertyFilterConstraint.setValueType(filterConstraintDto.getValueType());
+        propertyFilterConstraint.setValue(filterConstraintDto.getValue());
+        return propertyFilterConstraint;
+    }
+
+    public UIConstraint mapToUiConstraint(final FilterConstraintDto filterConstraintDto) {
+        final var uiConstraint = new UIConstraint();
+        uiConstraint.setConstraintOperator(filterConstraintDto.getOperator().getType());
+        uiConstraint.setValue(filterConstraintDto.getValue());
+        uiConstraint.setCapabilityName(filterConstraintDto.getCapabilityName());
+        uiConstraint.setServicePropertyName(filterConstraintDto.getPropertyName());
+        uiConstraint.setSourceType(filterConstraintDto.getValueType().getName());
+        return uiConstraint;
+    }
+
+    private Object parseValueFromUiConstraint(final Object value) {
+        if (!(value instanceof Map || value instanceof String)) {
+            return value;
+        }
+        final Map<?, ?> valueAsMap;
+        if (value instanceof String) {
+            try {
+                valueAsMap = new Gson().fromJson((String) value, Map.class);
+            } catch (final Exception ignored) {
+                return value;
+            }
+        } else {
+            valueAsMap = (Map<?, ?>) value;
+        }
+
+        final Optional<ToscaFunction> toscaFunction = parseValueToToscaFunction(valueAsMap);
+        if (toscaFunction.isPresent()) {
+            return toscaFunction.get();
+        }
+
+        return valueAsMap;
+    }
+
+    public Optional<ToscaFunction> parseValueToToscaFunction(final Object value) {
+        if (value instanceof ToscaFunction) {
+            return Optional.of((ToscaFunction) value);
+        }
+        return readToscaFunctionType(value).map(toscaFunctionType -> new ObjectMapper().convertValue(value, ToscaFunction.class));
+    }
+
+    private Optional<ToscaFunctionType> readToscaFunctionType(final Object toscaFunction) {
+        if (!(toscaFunction instanceof Map)) {
+            return Optional.empty();
+        }
+        final Object type = ((Map<?, ?>) toscaFunction).get("type");
+        if (type instanceof String) {
+            return ToscaFunctionType.findType((String) type);
+        }
+        return Optional.empty();
+    }
+
+}