1 files changed, 72 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NcmpCachedResourceRequestHandler.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NcmpCachedResourceRequestHandler.java
new file mode 100644
index 000000000..eb43718f0
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NcmpCachedResourceRequestHandler.java
@@ -0,0 +1,72 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022-2024 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.impl;
+
+import java.util.Collection;
+import lombok.RequiredArgsConstructor;
+import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
+import org.onap.cps.ncmp.api.NetworkCmProxyQueryService;
+import org.onap.cps.ncmp.api.models.CmResourceAddress;
+import org.onap.cps.spi.FetchDescendantsOption;
+import org.onap.cps.spi.model.DataNode;
+import org.springframework.stereotype.Service;
+import reactor.core.publisher.Mono;
+
+@Service
+@RequiredArgsConstructor
+public class NcmpCachedResourceRequestHandler extends NcmpDatastoreRequestHandler {
+
+    private final NetworkCmProxyDataService networkCmProxyDataService;
+    private final NetworkCmProxyQueryService networkCmProxyQueryService;
+
+    /**
+     * Executes a synchronous query request for given cm handle.
+     * Note. Currently only ncmp-datastore:operational supports query operations.
+     *
+     * @param cmHandleId         the cm handle
+     * @param resourceIdentifier the resource identifier
+     * @param includeDescendants whether include descendants
+     * @return a collection of data nodes
+     */
+    public Collection<DataNode> executeRequest(final String cmHandleId, final String resourceIdentifier,
+                                                 final boolean includeDescendants) {
+        final FetchDescendantsOption fetchDescendantsOption = getFetchDescendantsOption(includeDescendants);
+        return networkCmProxyQueryService.queryResourceDataOperational(cmHandleId, resourceIdentifier,
+            fetchDescendantsOption);
+    }
+
+    @Override
+    protected Mono<Object> getResourceDataForCmHandle(final CmResourceAddress cmResourceAddress,
+                                                      final String optionsParamInQuery,
+                                                      final String topicParamInQuery,
+                                                      final String requestId,
+                                                      final boolean includeDescendants,
+                                                      final String authorization) {
+        final FetchDescendantsOption fetchDescendantsOption = getFetchDescendantsOption(includeDescendants);
+        return Mono.fromSupplier(
+                () -> networkCmProxyDataService.getResourceDataForCmHandle(cmResourceAddress, fetchDescendantsOption));
+    }
+
+    private static FetchDescendantsOption getFetchDescendantsOption(final boolean includeDescendants) {
+        return includeDescendants ? FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS
+            : FetchDescendantsOption.OMIT_DESCENDANTS;
+    }
+}