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>

30 files changed, 1004 insertions, 28 deletions

diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/CINodeFilterDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/CINodeFilterDataDefinition.java
index 22055e0620..bef9e52b8a 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/CINodeFilterDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/CINodeFilterDataDefinition.java
@@ -44,12 +44,12 @@ public class CINodeFilterDataDefinition extends ToscaDataDefinition implements S
         return getToscaPresentationValue(JsonPresentationFields.TOSCA_ID);
     }
 
-    public ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> getProperties() {
-        return (ListDataDefinition<RequirementNodeFilterPropertyDataDefinition>) getToscaPresentationValue(
+    public ListDataDefinition<PropertyFilterDataDefinition> getProperties() {
+        return (ListDataDefinition<PropertyFilterDataDefinition>) getToscaPresentationValue(
                 JsonPresentationFields.PROPERTIES);
     }
 
-    public void setProperties(ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> properties) {
+    public void setProperties(ListDataDefinition<PropertyFilterDataDefinition> properties) {
         setToscaPresentationValue(JsonPresentationFields.PROPERTIES, properties);
     }
 
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinition.java
new file mode 100644
index 0000000000..9284b530eb
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinition.java
@@ -0,0 +1,41 @@
+/*
+ * -
+ *  ============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.datatypes.elements;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+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
+@NoArgsConstructor
+@JsonDeserialize(using = PropertyFilterConstraintDataDefinitionJsonDeserializer.class)
+public class PropertyFilterConstraintDataDefinition {
+    private String propertyName;
+    private String capabilityName;
+    private PropertyFilterTargetType targetType;
+    private ConstraintType operator;
+    private FilterValueType valueType;
+    private Object value;
+}
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinitionJsonDeserializer.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinitionJsonDeserializer.java
new file mode 100644
index 0000000000..a767133a4c
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinitionJsonDeserializer.java
@@ -0,0 +1,107 @@
+/*
+ * -
+ *  ============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.datatypes.elements;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+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.utils.PropertyFilterConstraintDataDefinitionHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PropertyFilterConstraintDataDefinitionJsonDeserializer extends StdDeserializer<PropertyFilterConstraintDataDefinition> {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(PropertyFilterConstraintDataDefinitionJsonDeserializer.class);
+    private static final String COULD_NOT_PARSE_CLASS = "Could not parse {} value as {}";
+
+    public PropertyFilterConstraintDataDefinitionJsonDeserializer() {
+        this(null);
+    }
+
+    public PropertyFilterConstraintDataDefinitionJsonDeserializer(Class<?> vc) {
+        super(vc);
+    }
+
+    @Override
+    public PropertyFilterConstraintDataDefinition deserialize(final JsonParser jsonParser, final DeserializationContext context) throws IOException {
+        final JsonNode node = jsonParser.getCodec().readTree(jsonParser);
+
+        if (node.isTextual()) {
+            return PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(node.asText());
+        }
+
+        final var propertyFilterConstraint = new PropertyFilterConstraintDataDefinition();
+        if (node.get("propertyName") != null) {
+            propertyFilterConstraint.setPropertyName(node.get("propertyName").asText());
+        }
+        if (node.get("capabilityName") != null) {
+            propertyFilterConstraint.setCapabilityName(node.get("capabilityName").asText());
+        }
+        if (node.get("targetType") != null) {
+            propertyFilterConstraint.setTargetType(PropertyFilterTargetType.valueOf(node.get("targetType").asText()));
+        }
+        if (node.get("operator") != null) {
+            propertyFilterConstraint.setOperator(ConstraintType.valueOf(node.get("operator").asText()));
+        }
+        if (node.get("valueType") != null) {
+            propertyFilterConstraint.setValueType(FilterValueType.valueOf(node.get("valueType").asText()));
+        }
+        propertyFilterConstraint.setValue(deserializeValue(node.get("value")));
+
+        return propertyFilterConstraint;
+    }
+
+    private Object deserializeValue(final JsonNode value) {
+        final ObjectMapper objectMapper = new ObjectMapper();
+        try {
+            return objectMapper.treeToValue(value, ToscaFunction.class);
+        } catch (final Exception e) {
+            LOGGER.debug(COULD_NOT_PARSE_CLASS, PropertyFilterConstraintDataDefinition.class.getName(), ToscaFunction.class.getName(), e);
+        }
+        try {
+            return objectMapper.treeToValue(value, Map.class);
+        } catch (final Exception e) {
+            LOGGER.debug(COULD_NOT_PARSE_CLASS, PropertyFilterConstraintDataDefinition.class.getName(), Map.class.getName(), e);
+        }
+        try {
+            return objectMapper.treeToValue(value, List.class);
+        } catch (final Exception e) {
+            LOGGER.debug(COULD_NOT_PARSE_CLASS, PropertyFilterConstraintDataDefinition.class.getName(), List.class.getName(), e);
+        }
+        try {
+            return objectMapper.treeToValue(value, String.class);
+        } catch (final Exception e) {
+            LOGGER.debug(COULD_NOT_PARSE_CLASS, PropertyFilterConstraintDataDefinition.class.getName(), String.class.getName(), e);
+        }
+
+        return null;
+    }
+
+}
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementNodeFilterPropertyDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterDataDefinition.java
index fff5dce9da..decdc6ea45 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementNodeFilterPropertyDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterDataDefinition.java
@@ -15,19 +15,24 @@
  */
 package org.openecomp.sdc.be.datatypes.elements;
 
-import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
-import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
-
 import java.io.Serializable;
 import java.util.List;
+import org.apache.commons.collections4.CollectionUtils;
+import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
+import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
 
-public class RequirementNodeFilterPropertyDataDefinition extends ToscaDataDefinition implements Serializable {
+public class PropertyFilterDataDefinition extends ToscaDataDefinition implements Serializable {
 
-    public List<String> getConstraints() {
-        return (List<String>) getToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_CONSTRAINT);
+    public List<PropertyFilterConstraintDataDefinition> getConstraints() {
+        final List<PropertyFilterConstraintDataDefinition> constraintList =
+            (List<PropertyFilterConstraintDataDefinition>) getToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_CONSTRAINT);
+        if (CollectionUtils.isEmpty(constraintList)) {
+            return List.of();
+        }
+        return constraintList;
     }
 
-    public void setConstraints(List<String> constraints) {
+    public void setConstraints(final List<PropertyFilterConstraintDataDefinition> constraints) {
         setToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_CONSTRAINT, constraints);
     }
 
@@ -38,4 +43,5 @@ public class RequirementNodeFilterPropertyDataDefinition extends ToscaDataDefini
     public void setName(String name) {
         setToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_NAME, name);
     }
+
 }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementNodeFilterCapabilityDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementNodeFilterCapabilityDataDefinition.java
index 34dc43760f..637bf5f646 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementNodeFilterCapabilityDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementNodeFilterCapabilityDataDefinition.java
@@ -37,12 +37,12 @@ public class RequirementNodeFilterCapabilityDataDefinition extends ToscaDataDefi
         setToscaPresentationValue(JsonPresentationFields.NAME, name);
     }
 
-    public ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> getProperties() {
-        return (ListDataDefinition<RequirementNodeFilterPropertyDataDefinition>) getToscaPresentationValue(
+    public ListDataDefinition<PropertyFilterDataDefinition> getProperties() {
+        return (ListDataDefinition<PropertyFilterDataDefinition>) getToscaPresentationValue(
                 JsonPresentationFields.PROPERTIES);
     }
 
-    public void setProperties(ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> properties) {
+    public void setProperties(ListDataDefinition<PropertyFilterDataDefinition> properties) {
         setToscaPresentationValue(JsonPresentationFields.PROPERTIES, properties);
     }
 }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementSubstitutionFilterCapabilityDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementSubstitutionFilterCapabilityDataDefinition.java
index 242eb490ef..d5c1525f55 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementSubstitutionFilterCapabilityDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementSubstitutionFilterCapabilityDataDefinition.java
@@ -39,12 +39,12 @@ public class RequirementSubstitutionFilterCapabilityDataDefinition extends Tosca
         setToscaPresentationValue(JsonPresentationFields.NAME, name);
     }
 
-    public ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> getProperties() {
-        return (ListDataDefinition<RequirementNodeFilterPropertyDataDefinition>) getToscaPresentationValue(
+    public ListDataDefinition<PropertyFilterDataDefinition> getProperties() {
+        return (ListDataDefinition<PropertyFilterDataDefinition>) getToscaPresentationValue(
                 JsonPresentationFields.PROPERTIES);
     }
 
-    public void setProperties(final ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> properties) {
+    public void setProperties(final ListDataDefinition<PropertyFilterDataDefinition> properties) {
         setToscaPresentationValue(JsonPresentationFields.PROPERTIES, properties);
     }
 }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/SubstitutionFilterDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/SubstitutionFilterDataDefinition.java
index beb5aac1d0..36c125a27b 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/SubstitutionFilterDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/SubstitutionFilterDataDefinition.java
@@ -46,12 +46,12 @@ public class SubstitutionFilterDataDefinition extends ToscaDataDefinition implem
         return getToscaPresentationValue(JsonPresentationFields.TOSCA_ID);
     }
 
-    public ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> getProperties() {
-        return (ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition>) getToscaPresentationValue(
+    public ListDataDefinition<SubstitutionFilterPropertyDataDefinition> getProperties() {
+        return (ListDataDefinition<SubstitutionFilterPropertyDataDefinition>) getToscaPresentationValue(
                 JsonPresentationFields.PROPERTIES);
     }
 
-    public void setProperties(final ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> properties) {
+    public void setProperties(final ListDataDefinition<SubstitutionFilterPropertyDataDefinition> properties) {
         setToscaPresentationValue(JsonPresentationFields.PROPERTIES, properties);
     }
 
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementSubstitutionFilterPropertyDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/SubstitutionFilterPropertyDataDefinition.java
index b1b53bb4ae..977c374712 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/RequirementSubstitutionFilterPropertyDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/SubstitutionFilterPropertyDataDefinition.java
@@ -20,24 +20,25 @@ package org.openecomp.sdc.be.datatypes.elements;
 
 import java.io.Serializable;
 import java.util.List;
-import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
 import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
 
-public class RequirementSubstitutionFilterPropertyDataDefinition extends ToscaDataDefinition implements Serializable {
+public class SubstitutionFilterPropertyDataDefinition extends ToscaDataDefinition implements Serializable {
 
-    public List<String> getConstraints() {
-        return (List<String>) getToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_CONSTRAINT);
+    private final PropertyFilterDataDefinition propertyFilterDataDefinition = new PropertyFilterDataDefinition();
+
+    public List<PropertyFilterConstraintDataDefinition> getConstraints() {
+        return propertyFilterDataDefinition.getConstraints();
     }
 
-    public void setConstraints(final List<String> constraints) {
-        setToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_CONSTRAINT, constraints);
+    public void setConstraints(final List<PropertyFilterConstraintDataDefinition> constraints) {
+        propertyFilterDataDefinition.setConstraints(constraints);
     }
 
     public String getName() {
-        return (String) getToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_NAME);
+        return propertyFilterDataDefinition.getName();
     }
 
     public void setName(final String name) {
-        setToscaPresentationValue(JsonPresentationFields.PROPERTY_FILTER_NAME, name);
+        propertyFilterDataDefinition.setName(name);
     }
 }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunction.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunction.java
index 40664a133c..81b4ec73a9 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunction.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunction.java
@@ -26,7 +26,25 @@ import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 @JsonDeserialize(using = ToscaFunctionJsonDeserializer.class)
 public interface ToscaFunction {
 
+    /**
+     * Gets the function type.
+     *
+     * @return the function type.
+     */
     ToscaFunctionType getType();
+
+    /**
+     * Builds the tosca function value as string.
+     *
+     * @return the function value as string
+     */
     String getValue();
 
+    /**
+     * Returns the value mapped as a JSON object.
+     *
+     * @return the value as JSON object.
+     */
+    Object getJsonObjectValue();
+
 }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionJsonDeserializer.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionJsonDeserializer.java
index 363af1cdeb..c262699cc2 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionJsonDeserializer.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionJsonDeserializer.java
@@ -146,8 +146,11 @@ public class ToscaFunctionJsonDeserializer extends StdDeserializer<ToscaFunction
         final var toscaConcatFunction = new ToscaConcatFunction();
         final List<ToscaFunctionParameter> functionParameterList = new ArrayList<>();
         final JsonNode parametersNode = concatFunctionJsonNode.get("parameters");
+        if (parametersNode == null) {
+            return toscaConcatFunction;
+        }
         if (!parametersNode.isArray()) {
-            throw context.instantiationException(List.class, "");
+            throw context.instantiationException(List.class, "Expecting an array for the 'parameters' entry");
         }
         for (final JsonNode parameterNode : parametersNode) {
             final JsonNode typeJsonNode = parameterNode.get("type");
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionType.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionType.java
index 4579ac2410..2636c4f6d7 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionType.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaFunctionType.java
@@ -25,6 +25,7 @@ import java.util.Arrays;
 import java.util.Optional;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
+import org.apache.commons.lang3.StringUtils;
 
 @AllArgsConstructor
 @Getter
@@ -40,6 +41,9 @@ public enum ToscaFunctionType {
     private final String name;
 
     public static Optional<ToscaFunctionType> findType(final String functionType) {
+        if (StringUtils.isBlank(functionType)) {
+            return Optional.empty();
+        }
         return Arrays.stream(values()).filter(toscaFunctionType -> toscaFunctionType.getName().equalsIgnoreCase(functionType)).findFirst();
     }
 }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaGetFunctionDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaGetFunctionDataDefinition.java
index f19217e69c..4fe3f3ae13 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaGetFunctionDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/ToscaGetFunctionDataDefinition.java
@@ -21,6 +21,7 @@
 
 package org.openecomp.sdc.be.datatypes.elements;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.google.gson.Gson;
 import java.util.ArrayList;
 import java.util.List;
@@ -47,6 +48,7 @@ public class ToscaGetFunctionDataDefinition implements ToscaFunction, ToscaFunct
         //necessary for JSON conversions
     }
 
+    @JsonIgnore
     public boolean isSubProperty() {
         return propertyPathFromSource != null && propertyPathFromSource.size() > 1;
     }
@@ -58,6 +60,7 @@ public class ToscaGetFunctionDataDefinition implements ToscaFunction, ToscaFunct
         return new Gson().toJson(getJsonObjectValue());
     }
 
+    @JsonIgnore
     @Override
     public Object getJsonObjectValue() {
         if (functionType == null) {
@@ -126,6 +129,7 @@ public class ToscaGetFunctionDataDefinition implements ToscaFunction, ToscaFunct
         }
     }
 
+    @JsonIgnore
     @Override
     public String getValue() {
         return this.generatePropertyValue();
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/ConstraintType.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/ConstraintType.java
new file mode 100644
index 0000000000..cef310ea01
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/ConstraintType.java
@@ -0,0 +1,71 @@
+/*
+ * -
+ *  ============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.datatypes.enums;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import lombok.Getter;
+
+@Getter
+public enum ConstraintType {
+    EQUAL("equal"),
+    IN_RANGE("in_range", "inRange"),
+    GREATER_THAN("greater_than", "greaterThan"),
+    GREATER_OR_EQUAL("greater_or_equal", "greaterOrEqual"),
+    LESS_OR_EQUAL("less_or_equal", "lessOrEqual"),
+    LENGTH("length"),
+    MIN_LENGTH("min_length", "minLength"),
+    MAX_LENGTH("max_length", "maxLength"),
+    VALID_VALUES("valid_values", "validValues"),
+    LESS_THAN("less_than", "lessThan"),
+    SCHEMA("schema");
+
+    private static final Set<ConstraintType> comparableConstraints = Set.of(ConstraintType.GREATER_THAN, ConstraintType.LESS_THAN);
+    private final String type;
+    private final List<String> typeAlias;
+
+
+    ConstraintType(final String type, final String... typeAliases) {
+        this.type = type;
+        if (typeAliases == null) {
+            this.typeAlias = Collections.emptyList();
+        } else {
+            this.typeAlias = Arrays.asList(typeAliases);
+        }
+    }
+
+    public static Optional<ConstraintType> findByType(final String type) {
+        if (type == null) {
+            return Optional.empty();
+        }
+        return Arrays.stream(ConstraintType.values())
+            .filter(constraintType -> constraintType.getType().equals(type) || constraintType.getTypeAlias().contains(type))
+            .findFirst();
+    }
+
+    public boolean isComparable() {
+        return comparableConstraints.contains(this);
+    }
+
+}
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/FilterValueType.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/FilterValueType.java
new file mode 100644
index 0000000000..cacc4b1bac
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/FilterValueType.java
@@ -0,0 +1,53 @@
+/*
+ * -
+ *  ============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.datatypes.enums;
+
+import java.util.Arrays;
+import java.util.Optional;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.apache.commons.lang3.StringUtils;
+
+@AllArgsConstructor
+@Getter
+public enum FilterValueType {
+    STATIC("static", "static"),
+    GET_PROPERTY("get_property", "property"),
+    GET_INPUT("get_input", "service_input"),
+    GET_ATTRIBUTE("get_attribute", null),
+    YAML("yaml", null),
+    CONCAT("concat", null);
+
+    private final String name;
+    private final String legacyName;
+
+    public static Optional<FilterValueType> findByName(final String name) {
+        if (StringUtils.isEmpty(name)) {
+            return Optional.empty();
+        }
+        return Arrays.stream(FilterValueType.values()).filter(filterValueType ->
+            filterValueType.getName().equalsIgnoreCase(name) ||
+                (filterValueType.getLegacyName() != null && filterValueType.getLegacyName().equalsIgnoreCase(name))
+            ).findFirst();
+    }
+
+}
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/PropertyFilterTargetType.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/PropertyFilterTargetType.java
new file mode 100644
index 0000000000..df472508fe
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/PropertyFilterTargetType.java
@@ -0,0 +1,26 @@
+/*
+ * -
+ *  ============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.datatypes.enums;
+
+public enum PropertyFilterTargetType {
+    CAPABILITY, PROPERTY
+}
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/utils/PropertyFilterConstraintDataDefinitionHelper.java b/common-be/src/main/java/org/openecomp/sdc/be/utils/PropertyFilterConstraintDataDefinitionHelper.java
new file mode 100644
index 0000000000..63c6781b94
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/utils/PropertyFilterConstraintDataDefinitionHelper.java
@@ -0,0 +1,198 @@
+/*
+ * -
+ *  ============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.utils;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.openecomp.sdc.be.datatypes.elements.PropertyFilterConstraintDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ToscaConcatFunction;
+import org.openecomp.sdc.be.datatypes.elements.ToscaFunction;
+import org.openecomp.sdc.be.datatypes.elements.ToscaFunctionParameter;
+import org.openecomp.sdc.be.datatypes.elements.ToscaFunctionType;
+import org.openecomp.sdc.be.datatypes.elements.ToscaGetFunctionDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ToscaStringParameter;
+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.datatypes.enums.PropertySource;
+import org.openecomp.sdc.be.datatypes.tosca.ToscaGetFunctionType;
+import org.openecomp.sdc.exception.InvalidArgumentException;
+import org.yaml.snakeyaml.Yaml;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class PropertyFilterConstraintDataDefinitionHelper {
+
+    public static PropertyFilterConstraintDataDefinition convertLegacyConstraint(final String constraint) {
+        final var propertyFilterConstraint = new PropertyFilterConstraintDataDefinition();
+        final Map<String, Object> constraintYaml = new Yaml().load(constraint);
+        final String propertyName = constraintYaml.keySet().iterator().next();
+        propertyFilterConstraint.setPropertyName(propertyName);
+        final Map<String, Object> operatorYaml = (Map<String, Object>) constraintYaml.get(propertyName);
+        final String operator = operatorYaml.keySet().iterator().next();
+        propertyFilterConstraint.setOperator(ConstraintType.findByType(operator).orElse(null));
+        final Object valueYaml = operatorYaml.get(operator);
+        final Optional<ToscaFunction> toscaFunction = createToscaFunctionFromLegacyConstraintValue(valueYaml);
+        if (toscaFunction.isPresent()) {
+            propertyFilterConstraint.setValue(toscaFunction.get());
+        } else {
+            propertyFilterConstraint.setValue(valueYaml);
+        }
+        propertyFilterConstraint.setValueType(detectValueType(valueYaml));
+        propertyFilterConstraint.setTargetType(PropertyFilterTargetType.PROPERTY);
+        return propertyFilterConstraint;
+    }
+
+    public static Optional<ToscaFunction> createToscaFunctionFromLegacyConstraintValue(final Object filterValue) {
+        if (!(filterValue instanceof Map)) {
+            return Optional.empty();
+        }
+        final Map<?, ?> filterValueAsMap = (Map<?, ?>) filterValue;
+        final Set<?> keys = filterValueAsMap.keySet();
+        if (keys.size() != 1) {
+            return Optional.empty();
+        }
+        final Object toscaFunctionTypeObject = keys.iterator().next();
+        if (!(toscaFunctionTypeObject instanceof String)) {
+            return Optional.empty();
+        }
+        final ToscaFunctionType toscaFunctionType = ToscaFunctionType.findType((String) toscaFunctionTypeObject).orElse(null);
+        if (toscaFunctionType == null) {
+            return Optional.empty();
+        }
+        switch (toscaFunctionType) {
+            case GET_INPUT:
+                return readLegacyGetInputConstraintValue(filterValueAsMap, toscaFunctionTypeObject);
+            case GET_ATTRIBUTE:
+            case GET_PROPERTY:
+                return readLegacyGetPropertyConstraintValue(filterValueAsMap, toscaFunctionTypeObject, toscaFunctionType);
+            case CONCAT:
+                return readLegacyConcatConstraintValue(filterValueAsMap, toscaFunctionTypeObject);
+            default:
+                return Optional.empty();
+        }
+    }
+
+    public static Optional<FilterValueType> convertFromToscaFunctionType(final ToscaFunctionType toscaFunctionType) {
+        return FilterValueType.findByName(toscaFunctionType.getName());
+    }
+
+    private static Optional<ToscaFunction> readLegacyConcatConstraintValue(Map<?, ?> filterValueAsMap, Object toscaFunctionType) {
+        final List<Object> concatValue;
+        try {
+            concatValue = (List<Object>) filterValueAsMap.get(toscaFunctionType);
+        } catch (final Exception ignored) {
+            return Optional.empty();
+        }
+        if (concatValue.isEmpty()) {
+            return Optional.empty();
+        }
+        final var toscaConcatFunction = new ToscaConcatFunction();
+        for (Object parameter : concatValue) {
+            if (parameter instanceof String) {
+                final ToscaStringParameter toscaStringParameter = new ToscaStringParameter();
+                toscaStringParameter.setValue((String) parameter);
+                toscaConcatFunction.addParameter(toscaStringParameter);
+            } else {
+                createToscaFunctionFromLegacyConstraintValue(parameter)
+                    .ifPresent(toscaFunction -> toscaConcatFunction.addParameter((ToscaFunctionParameter) toscaFunction));
+            }
+        }
+        return Optional.of(toscaConcatFunction);
+    }
+
+    private static Optional<ToscaFunction> readLegacyGetPropertyConstraintValue(Map<?, ?> filterValueAsMap, Object toscaFunctionType,
+                                                                                ToscaFunctionType toscaFunctionType1) {
+        final var toscaGetFunction = new ToscaGetFunctionDataDefinition();
+        toscaGetFunction.setFunctionType(ToscaGetFunctionType.fromToscaFunctionType(toscaFunctionType1)
+            .orElseThrow(() -> new InvalidArgumentException("Could not convert a ToscaFunctionType to a ToscaGetFunctionType"))
+        );
+        final List<String> getFunctionValue;
+        try {
+            getFunctionValue = (List<String>) filterValueAsMap.get(toscaFunctionType);
+        } catch (final Exception ignored) {
+            return Optional.of(toscaGetFunction);
+        }
+        if (!getFunctionValue.isEmpty()) {
+            final Optional<PropertySource> propertySource = PropertySource.findType(getFunctionValue.get(0));
+            if (propertySource.isPresent()) {
+                toscaGetFunction.setPropertySource(propertySource.get());
+            } else {
+                toscaGetFunction.setPropertySource(PropertySource.INSTANCE);
+                toscaGetFunction.setSourceName(getFunctionValue.get(0));
+            }
+            final List<String> propertyPathFromSource = getFunctionValue.subList(1, getFunctionValue.size());
+            toscaGetFunction.setPropertyPathFromSource(propertyPathFromSource);
+            toscaGetFunction.setPropertyName(propertyPathFromSource.get(propertyPathFromSource.size() - 1));
+        }
+        return Optional.of(toscaGetFunction);
+    }
+
+    private static Optional<ToscaFunction> readLegacyGetInputConstraintValue(Map<?, ?> filterValueAsMap, Object toscaFunctionType) {
+        final var toscaGetFunction = new ToscaGetFunctionDataDefinition();
+        toscaGetFunction.setFunctionType(ToscaGetFunctionType.GET_INPUT);
+        final List<String> getFunctionValue;
+        final Object valueAsObject = filterValueAsMap.get(toscaFunctionType);
+        if (valueAsObject instanceof String) {
+            getFunctionValue = List.of((String) valueAsObject);
+        } else if (valueAsObject instanceof List) {
+            try {
+                getFunctionValue = (List<String>) filterValueAsMap.get(toscaFunctionType);
+            } catch (final Exception ignored) {
+                return Optional.empty();
+            }
+        } else {
+            return Optional.empty();
+        }
+
+        toscaGetFunction.setPropertyPathFromSource(getFunctionValue);
+        if (!getFunctionValue.isEmpty()) {
+            toscaGetFunction.setPropertyName(getFunctionValue.get(getFunctionValue.size() - 1));
+        }
+        toscaGetFunction.setPropertySource(PropertySource.SELF);
+        return Optional.of(toscaGetFunction);
+    }
+
+    private static FilterValueType detectValueType(final Object value) {
+        if (value instanceof Map) {
+            final Map<?, ?> valueAsMap = (Map<?, ?>) value;
+            if (valueAsMap.containsKey(ToscaFunctionType.CONCAT.getName())) {
+                return FilterValueType.CONCAT;
+            }
+            if (valueAsMap.containsKey(ToscaFunctionType.GET_ATTRIBUTE.getName())) {
+                return FilterValueType.GET_ATTRIBUTE;
+            }
+            if (valueAsMap.containsKey(ToscaFunctionType.GET_PROPERTY.getName())) {
+                return FilterValueType.GET_PROPERTY;
+            }
+            if (valueAsMap.containsKey(ToscaFunctionType.GET_INPUT.getName())) {
+                return FilterValueType.GET_INPUT;
+            }
+        }
+
+        return FilterValueType.STATIC;
+    }
+
+}
diff --git a/common-be/src/test/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinitionJsonDeserializerTest.java b/common-be/src/test/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinitionJsonDeserializerTest.java
new file mode 100644
index 0000000000..d40c8f4862
--- /dev/null
+++ b/common-be/src/test/java/org/openecomp/sdc/be/datatypes/elements/PropertyFilterConstraintDataDefinitionJsonDeserializerTest.java
@@ -0,0 +1,101 @@
+/*
+ * -
+ *  ============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.datatypes.elements;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import org.junit.jupiter.api.Test;
+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.datatypes.enums.PropertySource;
+import org.openecomp.sdc.be.datatypes.tosca.ToscaGetFunctionType;
+
+class PropertyFilterConstraintDataDefinitionJsonDeserializerTest {
+    private static final Path TEST_RESOURCES_PATH = Path.of("src/test/resources/propertyFilterConstraintDataDefinitionDeserializer");
+
+    @Test
+    void testStaticPropertyFilter() throws IOException {
+        //given
+        final String propertyFilterAsString = Files.readString(TEST_RESOURCES_PATH.resolve("filter-constraint-static.json"));
+        //when
+        final PropertyFilterConstraintDataDefinition actualPropertyFilterConstraint = parseToscaFunction(propertyFilterAsString);
+        //then
+        assertEquals(FilterValueType.STATIC, actualPropertyFilterConstraint.getValueType());
+        assertEquals(ConstraintType.EQUAL, actualPropertyFilterConstraint.getOperator());
+        assertEquals(PropertyFilterTargetType.CAPABILITY, actualPropertyFilterConstraint.getTargetType());
+        assertEquals("aCapability", actualPropertyFilterConstraint.getCapabilityName());
+        assertEquals("aProperty", actualPropertyFilterConstraint.getPropertyName());
+        assertEquals("aStaticValue", actualPropertyFilterConstraint.getValue());
+    }
+
+    @Test
+    void testGetInputToscaFunction() throws IOException {
+        //given
+        final String toscaGetInputFunction = Files.readString(TEST_RESOURCES_PATH.resolve("filter-constraint-get-input.json"));
+        //when
+        final PropertyFilterConstraintDataDefinition actualPropertyFilterConstraint = parseToscaFunction(toscaGetInputFunction);
+        //then
+        assertEquals(FilterValueType.GET_INPUT, actualPropertyFilterConstraint.getValueType());
+        assertEquals(ConstraintType.GREATER_THAN, actualPropertyFilterConstraint.getOperator());
+        assertEquals(PropertyFilterTargetType.PROPERTY, actualPropertyFilterConstraint.getTargetType());
+        assertNull(actualPropertyFilterConstraint.getCapabilityName());
+        assertEquals("aProperty", actualPropertyFilterConstraint.getPropertyName());
+        assertTrue(actualPropertyFilterConstraint.getValue() instanceof ToscaGetFunctionDataDefinition);
+        final ToscaGetFunctionDataDefinition toscaGetFunction = (ToscaGetFunctionDataDefinition) actualPropertyFilterConstraint.getValue();
+        assertEquals(ToscaFunctionType.GET_INPUT, toscaGetFunction.getType());
+        assertEquals(ToscaGetFunctionType.GET_INPUT, toscaGetFunction.getFunctionType());
+        assertEquals("aPropertyId", toscaGetFunction.getPropertyUniqueId());
+        assertEquals("aProperty", toscaGetFunction.getPropertyName());
+        assertEquals(PropertySource.SELF, toscaGetFunction.getPropertySource());
+        assertEquals("aServiceId", toscaGetFunction.getSourceUniqueId());
+        assertEquals("aService", toscaGetFunction.getSourceName());
+        assertEquals(List.of("input", "subProperty"), toscaGetFunction.getPropertyPathFromSource());
+    }
+
+    @Test
+    void testLegacyPropertyFilter() throws IOException {
+        //given
+        final String legacyPropertyFilter = Files.readString(TEST_RESOURCES_PATH.resolve("filter-constraint-legacy.txt"));
+        //when
+        final PropertyFilterConstraintDataDefinition actualPropertyFilterConstraint = parseToscaFunction(legacyPropertyFilter);
+        //then
+        assertEquals(FilterValueType.STATIC, actualPropertyFilterConstraint.getValueType());
+        assertEquals(ConstraintType.EQUAL, actualPropertyFilterConstraint.getOperator());
+        assertEquals(PropertyFilterTargetType.PROPERTY, actualPropertyFilterConstraint.getTargetType());
+        assertNull(actualPropertyFilterConstraint.getCapabilityName());
+        assertEquals("propertyName", actualPropertyFilterConstraint.getPropertyName());
+        assertEquals("aValue", actualPropertyFilterConstraint.getValue());
+    }
+
+    private PropertyFilterConstraintDataDefinition parseToscaFunction(final String propertyFilterConstraintAsJson) throws JsonProcessingException {
+        return new ObjectMapper().readValue(propertyFilterConstraintAsJson, PropertyFilterConstraintDataDefinition.class);
+    }
+}
\ No newline at end of file
diff --git a/common-be/src/test/java/org/openecomp/sdc/be/datatypes/enums/FilterValueTypeTest.java b/common-be/src/test/java/org/openecomp/sdc/be/datatypes/enums/FilterValueTypeTest.java
new file mode 100644
index 0000000000..73df545468
--- /dev/null
+++ b/common-be/src/test/java/org/openecomp/sdc/be/datatypes/enums/FilterValueTypeTest.java
@@ -0,0 +1,75 @@
+/*
+ * -
+ *  ============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.datatypes.enums;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+class FilterValueTypeTest {
+
+    @Test
+    void findByEmptyNameTest() {
+        assertTrue(FilterValueType.findByName(null).isEmpty());
+        assertTrue(FilterValueType.findByName("").isEmpty());
+    }
+
+    @Test
+    void findByNameNotFoundTest() {
+        assertTrue(FilterValueType.findByName("thisNameDoesNotExist").isEmpty());
+    }
+
+    @ParameterizedTest(name = "{index}: {0} should be {1}")
+    @MethodSource("getValueTypeForFindByName")
+    void test(final String nameToFind, final FilterValueType filterValueType) {
+        final Optional<FilterValueType> actualFilterValueType = FilterValueType.findByName(nameToFind);
+        assertTrue(actualFilterValueType.isPresent());
+        assertEquals(actualFilterValueType.get(), filterValueType);
+    }
+
+    private static Stream<Arguments> getValueTypeForFindByName() {
+        final Stream<Arguments> allFilterValueTypeNameArguments = Arrays.stream(FilterValueType.values())
+            .map(filterValueType -> Arguments.of(filterValueType.getName(), filterValueType));
+        final Stream<Arguments> allFilterValueTypeNameIgnoreCaseArguments = Arrays.stream(FilterValueType.values())
+            .map(filterValueType -> Arguments.of(filterValueType.getName().toUpperCase(), filterValueType));
+
+        final Stream<Arguments> legacyArguments = Stream.of(
+            Arguments.of(FilterValueType.GET_INPUT.getLegacyName(), FilterValueType.GET_INPUT),
+            Arguments.of(FilterValueType.GET_INPUT.getLegacyName().toUpperCase(), FilterValueType.GET_INPUT),
+            Arguments.of(FilterValueType.GET_PROPERTY.getLegacyName(), FilterValueType.GET_PROPERTY),
+            Arguments.of(FilterValueType.GET_PROPERTY.getLegacyName().toUpperCase(), FilterValueType.GET_PROPERTY)
+        );
+
+        return Stream.of(allFilterValueTypeNameIgnoreCaseArguments, allFilterValueTypeNameArguments, legacyArguments)
+            .reduce(Stream::concat)
+            .orElseGet(Stream::empty);
+    }
+
+}
\ No newline at end of file
diff --git a/common-be/src/test/java/org/openecomp/sdc/be/utils/PropertyFilterConstraintDataDefinitionHelperTest.java b/common-be/src/test/java/org/openecomp/sdc/be/utils/PropertyFilterConstraintDataDefinitionHelperTest.java
new file mode 100644
index 0000000000..86548fa1d5
--- /dev/null
+++ b/common-be/src/test/java/org/openecomp/sdc/be/utils/PropertyFilterConstraintDataDefinitionHelperTest.java
@@ -0,0 +1,196 @@
+/*
+ * -
+ *  ============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.utils;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import org.junit.jupiter.api.Test;
+import org.openecomp.sdc.be.datatypes.elements.PropertyFilterConstraintDataDefinition;
+import org.openecomp.sdc.be.datatypes.elements.ToscaConcatFunction;
+import org.openecomp.sdc.be.datatypes.elements.ToscaFunctionType;
+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.PropertySource;
+import org.openecomp.sdc.be.datatypes.tosca.ToscaGetFunctionType;
+
+class PropertyFilterConstraintDataDefinitionHelperTest {
+
+    private static final Path RESOURCE_PATH = Path.of("src", "test", "resources", "nodeFilter", "constraints");
+
+    @Test
+    void convertLegacyConstraintGetInputTest() throws IOException {
+        final var propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("legacy-get_input.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "flavour_id", null, ConstraintType.GREATER_OR_EQUAL, FilterValueType.GET_INPUT);
+        assertTrue(propertyFilterConstraint.getValue() instanceof ToscaGetFunctionDataDefinition);
+        final var toscaGetFunction = (ToscaGetFunctionDataDefinition) propertyFilterConstraint.getValue();
+        assertToscaGetFunction(toscaGetFunction, ToscaFunctionType.GET_INPUT, ToscaGetFunctionType.GET_INPUT, PropertySource.SELF,
+            List.of("inputName"), "inputName", null);
+    }
+
+    @Test
+    void convertLegacyConstraintGetInputSubPathTest() throws IOException {
+        final PropertyFilterConstraintDataDefinition propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("legacy-get_input-subProperty.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "flavour_id", null, ConstraintType.EQUAL, FilterValueType.GET_INPUT);
+        assertTrue(propertyFilterConstraint.getValue() instanceof ToscaGetFunctionDataDefinition);
+        final var toscaGetFunction = (ToscaGetFunctionDataDefinition) propertyFilterConstraint.getValue();
+        assertToscaGetFunction(toscaGetFunction, ToscaFunctionType.GET_INPUT, ToscaGetFunctionType.GET_INPUT, PropertySource.SELF,
+            List.of("inputName", "inputSubProperty", "inputSubSubProperty"), "inputSubSubProperty", null);
+    }
+
+    @Test
+    void convertLegacyConstraintGetPropertyFromInstanceTest() throws IOException {
+        final PropertyFilterConstraintDataDefinition propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("legacy-get_property-from-instance.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "flavour_id", null, ConstraintType.EQUAL, FilterValueType.GET_PROPERTY);
+        assertTrue(propertyFilterConstraint.getValue() instanceof ToscaGetFunctionDataDefinition);
+        final var toscaGetFunction = (ToscaGetFunctionDataDefinition) propertyFilterConstraint.getValue();
+        assertToscaGetFunction(toscaGetFunction, ToscaFunctionType.GET_PROPERTY, ToscaGetFunctionType.GET_PROPERTY, PropertySource.INSTANCE,
+            List.of("property", "subProperty"), "subProperty", "Instance Name");
+    }
+
+    @Test
+    void convertLegacyConstraintGetAttributeFromInstanceTest() throws IOException {
+        final PropertyFilterConstraintDataDefinition propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("legacy-get_attribute-from-instance.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "flavour_id", null, ConstraintType.EQUAL, FilterValueType.GET_ATTRIBUTE);
+        assertTrue(propertyFilterConstraint.getValue() instanceof ToscaGetFunctionDataDefinition);
+        final var toscaGetFunction = (ToscaGetFunctionDataDefinition) propertyFilterConstraint.getValue();
+        assertToscaGetFunction(toscaGetFunction, ToscaFunctionType.GET_ATTRIBUTE, ToscaGetFunctionType.GET_ATTRIBUTE, PropertySource.INSTANCE,
+            List.of("property", "subProperty"), "subProperty", "Instance Name");
+    }
+
+
+    @Test
+    void convertLegacyConstraintGetPropertyFromSelfTest() throws IOException {
+        final PropertyFilterConstraintDataDefinition propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("legacy-get_property-from-self.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "flavour_id", null, ConstraintType.EQUAL, FilterValueType.GET_PROPERTY);
+        assertTrue(propertyFilterConstraint.getValue() instanceof ToscaGetFunctionDataDefinition);
+        final var toscaGetFunction = (ToscaGetFunctionDataDefinition) propertyFilterConstraint.getValue();
+        assertToscaGetFunction(toscaGetFunction, ToscaFunctionType.GET_PROPERTY, ToscaGetFunctionType.GET_PROPERTY, PropertySource.SELF,
+            List.of("property", "subProperty"), "subProperty", null);
+    }
+
+    @Test
+    void convertLegacyConstraintGetAttributeFromSelfTest() throws IOException {
+        final PropertyFilterConstraintDataDefinition propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("legacy-get_attribute-from-self.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "flavour_id", null, ConstraintType.EQUAL, FilterValueType.GET_ATTRIBUTE);
+        assertTrue(propertyFilterConstraint.getValue() instanceof ToscaGetFunctionDataDefinition);
+        final var toscaGetFunction = (ToscaGetFunctionDataDefinition) propertyFilterConstraint.getValue();
+        assertToscaGetFunction(toscaGetFunction, ToscaFunctionType.GET_ATTRIBUTE, ToscaGetFunctionType.GET_ATTRIBUTE, PropertySource.SELF,
+            List.of("property", "subProperty"), "subProperty", null);
+    }
+
+    @Test
+    void convertLegacyConstraintStaticTest() throws IOException {
+        final PropertyFilterConstraintDataDefinition propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("legacy-static.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "vnf_profile", null, ConstraintType.EQUAL, FilterValueType.STATIC);
+        assertTrue(propertyFilterConstraint.getValue() instanceof Map);
+        final Map<String, Object> value = (Map<String, Object>) propertyFilterConstraint.getValue();
+        assertEquals("1", value.get("instantiation_level"));
+        assertEquals(1, value.get("max_number_of_instances"));
+        assertEquals(1, value.get("min_number_of_instances"));
+    }
+
+    @Test
+    void convertLegacyConstraintConcatTest() throws IOException {
+        final PropertyFilterConstraintDataDefinition propertyFilterConstraint =
+            PropertyFilterConstraintDataDefinitionHelper.convertLegacyConstraint(readConstraintFile("concat.yaml"));
+        assertPropertyFilterConstraint(propertyFilterConstraint, "descriptor_id", null, ConstraintType.EQUAL, FilterValueType.CONCAT);
+        assertTrue(propertyFilterConstraint.getValue() instanceof ToscaConcatFunction);
+        final ToscaConcatFunction toscaConcatFunction = (ToscaConcatFunction) propertyFilterConstraint.getValue();
+        assertEquals(3, toscaConcatFunction.getParameters().size());
+        assertEquals(ToscaFunctionType.STRING, toscaConcatFunction.getParameters().get(0).getType());
+        assertEquals("aString", toscaConcatFunction.getParameters().get(0).getValue());
+        assertEquals(ToscaFunctionType.GET_INPUT, toscaConcatFunction.getParameters().get(1).getType());
+        assertEquals(ToscaFunctionType.STRING, toscaConcatFunction.getParameters().get(2).getType());
+        assertEquals("anotherString", toscaConcatFunction.getParameters().get(2).getValue());
+    }
+
+    private static void assertPropertyFilterConstraint(final PropertyFilterConstraintDataDefinition propertyFilterConstraint,
+                                                       final String propertyName, final String capabilityName, final ConstraintType constraintType,
+                                                       final FilterValueType filterValueType) {
+        assertEquals(propertyName, propertyFilterConstraint.getPropertyName());
+        assertEquals(capabilityName, propertyFilterConstraint.getCapabilityName());
+        assertEquals(constraintType, propertyFilterConstraint.getOperator());
+        assertEquals(filterValueType, propertyFilterConstraint.getValueType());
+    }
+
+    private void assertToscaGetFunction(final ToscaGetFunctionDataDefinition actualToscaGetFunction,
+                                        final ToscaFunctionType expectedToscaFunctionType, final ToscaGetFunctionType expectedToscaFunctionGetType,
+                                        final PropertySource expectedPropertySource, final List<String> expectedPropertyPathFromSource,
+                                        final String expectedPropertyName, final String expectedSourceName) {
+        assertEquals(expectedToscaFunctionType, actualToscaGetFunction.getType());
+        assertEquals(expectedToscaFunctionGetType, actualToscaGetFunction.getFunctionType());
+        assertEquals(expectedPropertySource, actualToscaGetFunction.getPropertySource());
+        assertEquals(expectedPropertyPathFromSource, actualToscaGetFunction.getPropertyPathFromSource());
+        assertEquals(expectedPropertyName, actualToscaGetFunction.getPropertyName());
+        assertEquals(expectedSourceName, actualToscaGetFunction.getSourceName());
+        assertNull(actualToscaGetFunction.getPropertyUniqueId());
+        assertNull(actualToscaGetFunction.getSourceUniqueId());
+    }
+
+    @Test
+    void convertFromToscaFunctionTypeTest() {
+        Optional<FilterValueType> filterValueType =
+            PropertyFilterConstraintDataDefinitionHelper.convertFromToscaFunctionType(ToscaFunctionType.GET_PROPERTY);
+        assertTrue(filterValueType.isPresent());
+        assertEquals(FilterValueType.GET_PROPERTY, filterValueType.get());
+
+        filterValueType =
+            PropertyFilterConstraintDataDefinitionHelper.convertFromToscaFunctionType(ToscaFunctionType.GET_INPUT);
+        assertTrue(filterValueType.isPresent());
+        assertEquals(FilterValueType.GET_INPUT, filterValueType.get());
+
+        filterValueType =
+            PropertyFilterConstraintDataDefinitionHelper.convertFromToscaFunctionType(ToscaFunctionType.GET_ATTRIBUTE);
+        assertTrue(filterValueType.isPresent());
+        assertEquals(FilterValueType.GET_ATTRIBUTE, filterValueType.get());
+
+        filterValueType =
+            PropertyFilterConstraintDataDefinitionHelper.convertFromToscaFunctionType(ToscaFunctionType.YAML);
+        assertTrue(filterValueType.isPresent());
+        assertEquals(FilterValueType.YAML, filterValueType.get());
+
+        filterValueType =
+            PropertyFilterConstraintDataDefinitionHelper.convertFromToscaFunctionType(ToscaFunctionType.CONCAT);
+        assertTrue(filterValueType.isPresent());
+        assertEquals(FilterValueType.CONCAT, filterValueType.get());
+
+        assertTrue(PropertyFilterConstraintDataDefinitionHelper.convertFromToscaFunctionType(ToscaFunctionType.STRING).isEmpty());
+    }
+
+    private String readConstraintFile(final String fileName) throws IOException {
+        return Files.readString(RESOURCE_PATH.resolve(fileName));
+    }
+}
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/concat.yaml b/common-be/src/test/resources/nodeFilter/constraints/concat.yaml
new file mode 100644
index 0000000000..28f6aadec7
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/concat.yaml
@@ -0,0 +1,8 @@
+descriptor_id:
+  equal:
+    concat:
+      - aString
+      - get_input:
+          - vnfProfileInput
+          - instantiation_level
+      - anotherString
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/legacy-get_attribute-from-instance.yaml b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_attribute-from-instance.yaml
new file mode 100644
index 0000000000..039c4aeacc
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_attribute-from-instance.yaml
@@ -0,0 +1,6 @@
+flavour_id:
+  equal:
+    get_attribute:
+      - Instance Name
+      - property
+      - subProperty
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/legacy-get_attribute-from-self.yaml b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_attribute-from-self.yaml
new file mode 100644
index 0000000000..3afd65d19f
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_attribute-from-self.yaml
@@ -0,0 +1,6 @@
+flavour_id:
+  equal:
+    get_attribute:
+      - SELF
+      - property
+      - subProperty
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/legacy-get_input-subProperty.yaml b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_input-subProperty.yaml
new file mode 100644
index 0000000000..ba9bc3ac74
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_input-subProperty.yaml
@@ -0,0 +1,6 @@
+flavour_id:
+  equal:
+    get_input:
+      - inputName
+      - inputSubProperty
+      - inputSubSubProperty
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/legacy-get_input.yaml b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_input.yaml
new file mode 100644
index 0000000000..4b17734e86
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_input.yaml
@@ -0,0 +1,4 @@
+flavour_id:
+  greater_or_equal:
+    get_input:
+      - inputName
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/legacy-get_property-from-instance.yaml b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_property-from-instance.yaml
new file mode 100644
index 0000000000..67772d1666
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_property-from-instance.yaml
@@ -0,0 +1,6 @@
+flavour_id:
+  equal:
+    get_property:
+      - Instance Name
+      - property
+      - subProperty
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/legacy-get_property-from-self.yaml b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_property-from-self.yaml
new file mode 100644
index 0000000000..89c78d1a3b
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/legacy-get_property-from-self.yaml
@@ -0,0 +1,6 @@
+flavour_id:
+  equal:
+    get_property:
+      - SELF
+      - property
+      - subProperty
\ No newline at end of file
diff --git a/common-be/src/test/resources/nodeFilter/constraints/legacy-static.yaml b/common-be/src/test/resources/nodeFilter/constraints/legacy-static.yaml
new file mode 100644
index 0000000000..783316fff7
--- /dev/null
+++ b/common-be/src/test/resources/nodeFilter/constraints/legacy-static.yaml
@@ -0,0 +1,5 @@
+vnf_profile:
+  equal:
+    instantiation_level: '1'
+    max_number_of_instances: 1
+    min_number_of_instances: 1
\ No newline at end of file
diff --git a/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-get-input.json b/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-get-input.json
new file mode 100644
index 0000000000..3ceee51804
--- /dev/null
+++ b/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-get-input.json
@@ -0,0 +1,16 @@
+{
+  "propertyName": "aProperty",
+  "targetType": "PROPERTY",
+  "operator": "GREATER_THAN",
+  "valueType": "GET_INPUT",
+  "value": {
+    "type": "GET_INPUT",
+    "functionType": "GET_INPUT",
+    "propertyName": "aProperty",
+    "propertyUniqueId": "aPropertyId",
+    "propertySource": "SELF",
+    "sourceName": "aService",
+    "sourceUniqueId": "aServiceId",
+    "propertyPathFromSource": ["input", "subProperty"]
+  }
+}
\ No newline at end of file
diff --git a/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-legacy.txt b/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-legacy.txt
new file mode 100644
index 0000000000..925c878d5f
--- /dev/null
+++ b/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-legacy.txt
@@ -0,0 +1 @@
+"{ \"propertyName\": { \"equal\": \"aValue\" } }"
\ No newline at end of file
diff --git a/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-static.json b/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-static.json
new file mode 100644
index 0000000000..4faee8ab1a
--- /dev/null
+++ b/common-be/src/test/resources/propertyFilterConstraintDataDefinitionDeserializer/filter-constraint-static.json
@@ -0,0 +1,8 @@
+{
+  "propertyName": "aProperty",
+  "capabilityName": "aCapability",
+  "targetType": "CAPABILITY",
+  "operator": "EQUAL",
+  "valueType": "STATIC",
+  "value": "aStaticValue"
+}
\ No newline at end of file