1 files changed, 91 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/generic/GenericTypeBusinessLogic.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/generic/GenericTypeBusinessLogic.java
new file mode 100644
index 0000000000..7f6abe7f2c
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/generic/GenericTypeBusinessLogic.java
@@ -0,0 +1,91 @@
+package org.openecomp.sdc.be.components.impl.generic;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.apache.commons.collections.CollectionUtils;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
+import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
+import org.openecomp.sdc.be.impl.ComponentsUtils;
+import org.openecomp.sdc.be.model.Component;
+import org.openecomp.sdc.be.model.InputDefinition;
+import org.openecomp.sdc.be.model.PropertyDefinition;
+import org.openecomp.sdc.be.model.Resource;
+import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
+import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
+import org.openecomp.sdc.exception.ResponseFormat;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import fj.data.Either;
+
+@org.springframework.stereotype.Component
+public class GenericTypeBusinessLogic {
+
+    private final static Logger log = LoggerFactory.getLogger(GenericTypeBusinessLogic.class);
+
+    @Autowired
+    private ComponentsUtils componentsUtils;
+
+    @Autowired
+    private ToscaOperationFacade toscaOperationFacade;
+
+    /**
+     * @param component the component of which to fetch its generic type
+     * @return the generic node type which corresponds to the given component
+     */
+    public Either<Resource, ResponseFormat> fetchDerivedFromGenericType(Component component){
+        String genericTypeToscaName = getGenericTypeToscaName(component);
+        log.debug("Fetching generic tosca name {}", genericTypeToscaName);
+        if(null == genericTypeToscaName) {
+            log.debug("Failed to fetch certified generic node type for component {}", component.getName());
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
+        }
+
+        Either<Resource, StorageOperationStatus> findLatestGeneric = toscaOperationFacade.getLatestCertifiedNodeTypeByToscaResourceName(genericTypeToscaName);
+        if(findLatestGeneric.isRight()){
+            log.debug("Failed to fetch certified node type by tosca resource name {}", genericTypeToscaName);
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.GENERIC_TYPE_NOT_FOUND, component.assetType(), genericTypeToscaName));
+        }
+
+        Resource genericTypeResource = findLatestGeneric.left().value();
+        return Either.left(genericTypeResource);
+    }
+
+    /**
+     *
+     * @param genericType the generic node type
+     * @return the generic type properties as inputs
+     */
+    public List<InputDefinition> generateInputsFromGenericTypeProperties(Resource genericType) {
+        List<PropertyDefinition> genericTypeProps = genericType.getProperties();
+        if(null != genericTypeProps) {
+            return convertGenericTypePropertiesToInputsDefintion(genericTypeProps, genericType.getUniqueId());
+        }
+        return new ArrayList<>();
+    }
+
+    public List<InputDefinition> convertGenericTypePropertiesToInputsDefintion(List<PropertyDefinition> genericTypeProps, String genericUniqueId) {
+        return genericTypeProps.stream()
+                .map(p -> setInputDefinitionFromProp(p, genericUniqueId))
+                .collect(Collectors.toList());
+    }
+
+    private InputDefinition setInputDefinitionFromProp(PropertyDefinition prop, String genericUniqueId){
+        InputDefinition input = new InputDefinition(prop);
+        input.setOwnerId(genericUniqueId);
+        return input;
+    }
+
+    private <T extends Component> String getGenericTypeToscaName(T component) {
+        return isCvfcHasDerivedFrom(component) ? ((Resource)component).getDerivedFrom().get(0) : component.fetchGenericTypeToscaNameFromConfig();
+    }
+
+    private <T extends Component> boolean isCvfcHasDerivedFrom(T component) {
+        return component.getComponentType() == ComponentTypeEnum.RESOURCE && ((Resource)component).getResourceType() == ResourceTypeEnum.CVFC && CollectionUtils.isNotEmpty(((Resource)component).getDerivedFrom());
+    }
+
+}