1 files changed, 110 insertions, 3 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ComponentValidations.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ComponentValidations.java
index 15fff52ab9..002ae50cde 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ComponentValidations.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ComponentValidations.java
@@ -20,19 +20,126 @@
 
 package org.openecomp.sdc.be.components.validation;
 
+import org.apache.commons.collections.CollectionUtils;
+import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
+import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
+import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
+import java.util.List;
 import java.util.Optional;
-import java.util.stream.Collectors;
+import java.util.Set;
 
 import org.openecomp.sdc.be.model.Component;
 import org.openecomp.sdc.be.model.ComponentInstance;
+import org.openecomp.sdc.be.model.ComponentParametersView;
+import org.openecomp.sdc.be.model.GroupDefinition;
+import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
+import org.openecomp.sdc.be.model.operations.StorageException;
+import org.openecomp.sdc.be.model.operations.api.IGraphLockOperation;
+import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
+import org.openecomp.sdc.be.model.operations.utils.ComponentValidationUtils;
+import org.openecomp.sdc.common.util.ValidationUtils;
 
-public class ComponentValidations {
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import static java.util.stream.Collectors.toList;
+
+
+@org.springframework.stereotype.Component
+public final class ComponentValidations {
+
+    private final ToscaOperationFacade toscaOperationFacade;
+    private final IGraphLockOperation graphLockOperation;
+
+    public ComponentValidations(ToscaOperationFacade toscaOperationFacade, IGraphLockOperation graphLockOperation) {
+        this.toscaOperationFacade = toscaOperationFacade;
+        this.graphLockOperation = graphLockOperation;
+    }
 
     public static boolean validateComponentInstanceExist(Component component, String instanceId) {
         return Optional.ofNullable(component.getComponentInstances())
-                       .map(componentInstances -> componentInstances.stream().map(ComponentInstance::getUniqueId).collect(Collectors.toList()))
+                       .map(componentInstances -> componentInstances.stream().map(ComponentInstance::getUniqueId).collect(toList()))
                        .filter(instancesIds -> instancesIds.contains(instanceId))
                        .isPresent();
     }
 
+    public static String getNormalizedName(ToscaDataDefinition toscaDataDefinition) {
+        String name = (String) toscaDataDefinition.getToscaPresentationValue(JsonPresentationFields.NAME);
+        return org.openecomp.sdc.common.util.ValidationUtils.normalizeComponentInstanceName(name);
+    }
+
+    /**
+     * The following logic is applied:
+     * For each name new or existing name we look at the normalized name which is used in Tosca representation
+     * @param currentName
+     * @param newName
+     * @param component
+     * @return True is new name can be used in this component, false otherwise
+     */
+    public static boolean validateNameIsUniqueInComponent(String currentName, String newName, Component component) {
+        String normalizedCurrentName = ValidationUtils.normalizeComponentInstanceName(currentName);
+        String normalizedNewName = ValidationUtils.normalizeComponentInstanceName(newName);
+        
+        if (normalizedCurrentName.equals(normalizedNewName)) {
+            return true;    //As it's same entity, still considered unique
+        }
+        List<GroupDefinition> groups = component.getGroups();
+        List<ComponentInstance> componentInstances = component.getComponentInstances();
+        Set<String> existingNames = new HashSet<>();
+        if (CollectionUtils.isNotEmpty(groups)) {
+            List<String> existingGroupNames = groups
+                    .stream()
+                    .map(ComponentValidations::getNormalizedName)
+                    .collect(toList());
+            existingNames.addAll(existingGroupNames);
+        }
+        if (CollectionUtils.isNotEmpty(componentInstances)) {
+            List<String> existingInstanceNames = componentInstances
+                    .stream()
+                    .map(ComponentValidations::getNormalizedName)
+                    .collect(toList());
+            existingNames.addAll(existingInstanceNames);
+        }
+        return !existingNames.contains(normalizedNewName);
+    }
+
+    public Component validateComponentIsCheckedOutByUserAndLockIt(ComponentTypeEnum componentTypeEnum, String componentId, String userId) {
+        Component component = getComponent(componentId, componentTypeEnum);
+
+        if (!ComponentValidationUtils.canWorkOnComponent(component, userId)) {
+            throw new ComponentException(ActionStatus.ILLEGAL_COMPONENT_STATE, component.getName());
+        }
+
+        lockComponent(component);
+
+        return component;
+    }
+
+    private Component getComponent(String componentId, ComponentTypeEnum componentType) {
+        Component component = toscaOperationFacade.getToscaElement(componentId, new ComponentParametersView())
+                .left()
+                .on(this::onToscaOperationError);
+
+        if (componentType!=component.getComponentType()) {
+            throw new ComponentException(ActionStatus.INVALID_RESOURCE_TYPE);
+        }
+
+        return component;
+    }
+
+    private void lockComponent(Component component) {
+        StorageOperationStatus lockComponentStatus = graphLockOperation.lockComponent(component.getUniqueId(),
+                component.getComponentType().getNodeType());
+        if (!StorageOperationStatus.OK.equals(lockComponentStatus)) {
+            throw new StorageException(lockComponentStatus);
+        }
+    }
+
+    private Component onToscaOperationError(StorageOperationStatus storageOperationStatus) {
+        throw new StorageException(storageOperationStatus);
+    }
+
 }