Maintain VFC instance attribute outputs on instance version change

Issue-ID: SDC-4025
Signed-off-by: JvD_Ericsson <jeff.van.dam@est.tech>
Change-Id: Ia44a6ac73d9a52042caaacf0c5f790e1e2fc73f1

2 files changed, 64 insertions, 0 deletions

diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/AttributeDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/AttributeDataDefinition.java
index ee78821b23..7e99418221 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/AttributeDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/AttributeDataDefinition.java
@@ -140,4 +140,26 @@ public class AttributeDataDefinition extends ToscaDataDefinition {
     public String getParentUniqueId() {
         return getOwnerId();
     }
+
+    public boolean isGetOutputAttribute() {
+        return this.getGetOutputValues() != null && !this.getGetOutputValues().isEmpty();
+    }
+
+    public boolean typeEquals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        AttributeDataDefinition other = (AttributeDataDefinition) obj;
+        if (this.getType() == null) {
+            return other.getType() == null;
+        }
+        return false;
+    }
+
 }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/utils/AttributeDefinitionUtils.java b/common-be/src/main/java/org/openecomp/sdc/be/utils/AttributeDefinitionUtils.java
new file mode 100644
index 0000000000..00836e787b
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/utils/AttributeDefinitionUtils.java
@@ -0,0 +1,42 @@
+/*
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2022 Nordix Foundation. 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.utils;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.openecomp.sdc.be.datatypes.elements.AttributeDataDefinition;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class AttributeDefinitionUtils {
+
+    public static List<AttributeDataDefinition> getAttributesMappedToOutputs(List<AttributeDataDefinition> attributes) {
+        if (attributes == null) {
+            return Collections.emptyList();
+        }
+        return filterGetOutputAttributes(attributes);
+    }
+
+    private static <T extends AttributeDataDefinition> List<AttributeDataDefinition> filterGetOutputAttributes(List<T> attributeDefinitions) {
+        return attributeDefinitions.stream().filter(AttributeDataDefinition::isGetOutputAttribute).collect(Collectors.toList());
+    }
+}