1 files changed, 84 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/sync/ModuleSyncService.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/sync/ModuleSyncService.java
new file mode 100644
index 000000000..1d00f0dc6
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/sync/ModuleSyncService.java
@@ -0,0 +1,84 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.inventory.sync;
+
+import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.stream.Collectors;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.api.CpsModuleService;
+import org.onap.cps.ncmp.api.impl.operations.DmiModelOperations;
+import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
+import org.onap.cps.spi.model.ModuleReference;
+import org.springframework.stereotype.Service;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class ModuleSyncService {
+
+    private final DmiModelOperations dmiModelOperations;
+    private final CpsModuleService cpsModuleService;
+
+    /**
+     * This method registers a cm handle and initiates modules sync.
+     *
+     * @param yangModelCmHandle the yang model of cm handle.
+     * @return schemaSetName the name of the schema set (same as cm handle name).
+     */
+    public String syncAndCreateSchemaSet(final YangModelCmHandle yangModelCmHandle) {
+
+        final Collection<ModuleReference> moduleReferencesFromCmHandle =
+                dmiModelOperations.getModuleReferences(yangModelCmHandle);
+
+        final Collection<ModuleReference> identifiedNewModuleReferencesFromCmHandle = cpsModuleService
+                .identifyNewModuleReferences(moduleReferencesFromCmHandle);
+
+        final Collection<ModuleReference> existingModuleReferencesFromCmHandle =
+                moduleReferencesFromCmHandle.stream().filter(moduleReferenceFromCmHandle ->
+                        !identifiedNewModuleReferencesFromCmHandle.contains(moduleReferenceFromCmHandle)
+                ).collect(Collectors.toList());
+
+        final Map<String, String> newModuleNameToContentMap;
+        if (identifiedNewModuleReferencesFromCmHandle.isEmpty()) {
+            newModuleNameToContentMap = new HashMap<>();
+        } else {
+            newModuleNameToContentMap = dmiModelOperations.getNewYangResourcesFromDmi(yangModelCmHandle,
+                    identifiedNewModuleReferencesFromCmHandle);
+        }
+        return createSchemaSet(yangModelCmHandle, existingModuleReferencesFromCmHandle, newModuleNameToContentMap);
+    }
+
+    private String createSchemaSet(final YangModelCmHandle yangModelCmHandle,
+                                 final Collection<ModuleReference> existingModuleReferencesFromCmHandle,
+                                 final Map<String, String> newModuleNameToContentMap) {
+        final String schemaSetName = yangModelCmHandle.getId();
+        cpsModuleService
+                .createSchemaSetFromModules(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, schemaSetName,
+                        newModuleNameToContentMap, existingModuleReferencesFromCmHandle);
+        return schemaSetName;
+    }
+
+}