1 files changed, 78 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/instance/ComponentInstanceOutputsRedeclareHandler.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/instance/ComponentInstanceOutputsRedeclareHandler.java
new file mode 100644
index 0000000000..0c851f807c
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/instance/ComponentInstanceOutputsRedeclareHandler.java
@@ -0,0 +1,78 @@
+/*
+ * ============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.components.merge.instance;
+
+import static java.util.stream.Collectors.toList;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Stream;
+import org.openecomp.sdc.be.components.merge.output.DeclaredOutputsResolver;
+import org.openecomp.sdc.be.components.merge.output.OutputsValuesMergingBusinessLogic;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.datatypes.elements.AttributeDataDefinition;
+import org.openecomp.sdc.be.impl.ComponentsUtils;
+import org.openecomp.sdc.be.model.Component;
+import org.openecomp.sdc.be.model.OutputDefinition;
+import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
+import org.openecomp.sdc.common.log.wrappers.Logger;
+
+@org.springframework.stereotype.Component
+public class ComponentInstanceOutputsRedeclareHandler {
+
+    private static final Logger log = Logger.getLogger(ComponentInstanceOutputsRedeclareHandler.class);
+    private final DeclaredOutputsResolver declaredOutputsResolver;
+    private final ToscaOperationFacade toscaOperationFacade;
+    private final ComponentsUtils componentsUtils;
+    private final OutputsValuesMergingBusinessLogic outputsValuesMergingBusinessLogic;
+
+    public ComponentInstanceOutputsRedeclareHandler(DeclaredOutputsResolver declaredOutputsResolver, ToscaOperationFacade toscaOperationFacade,
+                                                    ComponentsUtils componentsUtils,
+                                                    OutputsValuesMergingBusinessLogic outputsValuesMergingBusinessLogic) {
+        this.declaredOutputsResolver = declaredOutputsResolver;
+        this.toscaOperationFacade = toscaOperationFacade;
+        this.componentsUtils = componentsUtils;
+        this.outputsValuesMergingBusinessLogic = outputsValuesMergingBusinessLogic;
+    }
+
+    public ActionStatus redeclareComponentOutputsForInstance(Component container, String newInstanceId, List<OutputDefinition> oldOutputs) {
+        log.debug(
+            "#redeclareComponentOutputsForInstance - getting outputs that were previously declared from instance {} and setting on current component {}",
+            newInstanceId, container.getUniqueId());
+        List<AttributeDataDefinition> allAttributesForInstance = getAllGetAttributesForInstance(container, newInstanceId);
+        List<OutputDefinition> previouslyDeclaredOutputs = declaredOutputsResolver
+            .getPreviouslyDeclaredOutputsToMerge(oldOutputs, allAttributesForInstance, newInstanceId);
+        outputsValuesMergingBusinessLogic.mergeComponentOutputs(oldOutputs, previouslyDeclaredOutputs);
+        return updateOutputs(container.getUniqueId(), previouslyDeclaredOutputs);
+    }
+
+    private List<AttributeDataDefinition> getAllGetAttributesForInstance(Component newComponent, String instanceId) {
+        return Stream
+            .of(newComponent.safeGetComponentInstanceAttributes(instanceId))
+            .flatMap(Collection::stream).map(AttributeDataDefinition::new).collect(toList());
+    }
+
+    private ActionStatus updateOutputs(String containerId, List<OutputDefinition> outputsToUpdate) {
+        log.debug("#updateInputs - updating inputs for container {}", containerId);
+        return toscaOperationFacade.updateOutputsToComponent(outputsToUpdate, containerId)
+            .either(updatedInputs -> ActionStatus.OK, componentsUtils::convertFromStorageResponse);
+    }
+}