2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021-2022 Nordix Foundation
4 * Modifications Copyright (C) 2021 Bell Canada
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.cps.ncmp.api.impl.operations;
24 import java.util.LinkedHashMap;
26 import lombok.AllArgsConstructor;
27 import org.onap.cps.api.CpsDataService;
28 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
29 import org.onap.cps.ncmp.api.inventory.CompositeState;
30 import org.onap.cps.ncmp.api.inventory.CompositeStateBuilder;
31 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
32 import org.onap.cps.spi.FetchDescendantsOption;
33 import org.onap.cps.spi.model.DataNode;
34 import org.onap.cps.utils.CpsValidator;
35 import org.springframework.stereotype.Component;
38 * Retrieves YangModelCmHandles & properties.
42 public class YangModelCmHandleRetriever {
44 private static final String NCMP_DATASPACE_NAME = "NCMP-Admin";
45 private static final String NCMP_DMI_REGISTRY_ANCHOR = "ncmp-dmi-registry";
47 private CpsDataService cpsDataService;
50 * This method retrieves DMI service name and DMI properties for a given cm handle.
51 * @param cmHandleId the id of the cm handle
52 * @return yang model cm handle
54 public YangModelCmHandle getYangModelCmHandle(final String cmHandleId) {
55 CpsValidator.validateNameCharacters(cmHandleId);
56 final DataNode cmHandleDataNode = getCmHandleDataNode(cmHandleId);
57 final NcmpServiceCmHandle ncmpServiceCmHandle = new NcmpServiceCmHandle();
58 ncmpServiceCmHandle.setCmHandleId(cmHandleId);
59 populateCmHandleDetails(cmHandleDataNode, ncmpServiceCmHandle);
60 return YangModelCmHandle.toYangModelCmHandle(
61 (String) cmHandleDataNode.getLeaves().get("dmi-service-name"),
62 (String) cmHandleDataNode.getLeaves().get("dmi-data-service-name"),
63 (String) cmHandleDataNode.getLeaves().get("dmi-model-service-name"),
68 private DataNode getCmHandleDataNode(final String cmHandle) {
69 final String xpathForDmiRegistryToFetchCmHandle = "/dmi-registry/cm-handles[@id='" + cmHandle + "']";
70 return cpsDataService.getDataNode(NCMP_DATASPACE_NAME,
71 NCMP_DMI_REGISTRY_ANCHOR,
72 xpathForDmiRegistryToFetchCmHandle,
73 FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
76 private static void populateCmHandleDetails(final DataNode cmHandleDataNode,
77 final NcmpServiceCmHandle ncmpServiceCmHandle) {
78 final Map<String, String> dmiProperties = new LinkedHashMap<>();
79 final Map<String, String> publicProperties = new LinkedHashMap<>();
80 final CompositeStateBuilder compositeStateBuilder = new CompositeStateBuilder();
81 CompositeState compositeState = compositeStateBuilder.build();
82 for (final DataNode childDataNode: cmHandleDataNode.getChildDataNodes()) {
83 if (childDataNode.getXpath().contains("/additional-properties[@name=")) {
84 addProperty(childDataNode, dmiProperties);
85 } else if (childDataNode.getXpath().contains("/public-properties[@name=")) {
86 addProperty(childDataNode, publicProperties);
87 } else if (childDataNode.getXpath().endsWith("/state")) {
88 compositeState = compositeStateBuilder.fromDataNode(childDataNode).build();
91 ncmpServiceCmHandle.setDmiProperties(dmiProperties);
92 ncmpServiceCmHandle.setPublicProperties(publicProperties);
93 ncmpServiceCmHandle.setCompositeState(compositeState);
96 private static void addProperty(final DataNode propertyDataNode, final Map<String, String> propertiesAsMap) {
97 propertiesAsMap.put(String.valueOf(propertyDataNode.getLeaves().get("name")),
98 String.valueOf(propertyDataNode.getLeaves().get("value")));