+ private void validateInventoryModelWithDependencyModel(VnfcDependencyModel dependencyModel, InventoryModel inventoryModel) throws APPCException {
+ Set<String> dependencyModelVnfcSet = new HashSet<>();
+ Set<String> dependencyModelMandatoryVnfcSet = new HashSet<>();
+ Set<String> inventoryModelVnfcsSet = new HashSet<>();
+
+ for (Node<Vnfc> node : dependencyModel.getDependencies()) {
+ dependencyModelVnfcSet.add(node.getChild().getVnfcType().toLowerCase());
+ if (node.getChild().isMandatory()) {
+ dependencyModelMandatoryVnfcSet.add(node.getChild().getVnfcType().toLowerCase());
+ }
+ }
+
+ for (Vnfc vnfc : inventoryModel.getVnf().getVnfcs()) {
+ inventoryModelVnfcsSet.add(vnfc.getVnfcType().toLowerCase());
+ }
+
+ // if dependency model and inventory model contains same set of VNFCs, validation succeed and hence return
+ if (dependencyModelVnfcSet.equals(inventoryModelVnfcsSet)) {
+ return;
+ }
+
+ if (inventoryModelVnfcsSet.size() >= dependencyModelVnfcSet.size()) {
+ Set<String> difference = new HashSet<>(inventoryModelVnfcsSet);
+ difference.removeAll(dependencyModelVnfcSet);
+ logger.error("Dependency model is missing following vnfc type(s): " + difference);
+ throw new APPCException("Dependency model is missing following vnfc type(s): " + difference);
+ } else {
+ Set<String> difference = new HashSet<>(dependencyModelMandatoryVnfcSet);
+ difference.removeAll(inventoryModelVnfcsSet);
+ if (difference.size() > 0) {
+ logger.error("Inventory model is missing following mandatory vnfc type(s): " + difference);
+ throw new APPCException("VMs missing for the mandatory VNFC : " + difference);
+ }
+ }
+ }
+