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/*
* ============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;
import java.time.OffsetDateTime;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import lombok.RequiredArgsConstructor;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
import org.onap.cps.spi.CpsDataPersistenceService;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.utils.CpsValidator;
import org.onap.cps.utils.JsonObjectMapper;
import org.springframework.stereotype.Component;
@RequiredArgsConstructor
@Component
public class InventoryPersistence {
private static final String NCMP_DATASPACE_NAME = "NCMP-Admin";
private static final String NCMP_DMI_REGISTRY_ANCHOR = "ncmp-dmi-registry";
private final JsonObjectMapper jsonObjectMapper;
private final CpsDataService cpsDataService;
private final CpsDataPersistenceService cpsDataPersistenceService;
private static final CompositeStateBuilder compositeStateBuilder = new CompositeStateBuilder();
/**
* Get the Cm Handle Composite State from the data node.
*
* @param cmHandleId cm handle id
* @return the cm handle composite state
*/
public CompositeState getCmHandleState(final String cmHandleId) {
final DataNode stateAsDataNode = cpsDataService.getDataNode(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
"/dmi-registry/cm-handles[@id='" + cmHandleId + "']/state",
FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
return compositeStateBuilder.fromDataNode(stateAsDataNode).build();
}
/**
* Save the cm handles state.
*
* @param cmHandleId cm handle id
* @param compositeState composite state
*/
public void saveCmHandleState(final String cmHandleId, final CompositeState compositeState) {
final String cmHandleJsonData = String.format("{\"state\":%s}",
jsonObjectMapper.asJsonString(compositeState));
cpsDataService.replaceNodeTree(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
"/dmi-registry/cm-handles[@id='" + cmHandleId + "']",
cmHandleJsonData, OffsetDateTime.now());
}
/**
* Method which returns cm handles by the cm handles state.
*
* @param cmHandleState cm handle state
* @return a list of cm handles
*/
public List<DataNode> getCmHandlesByState(final CmHandleState cmHandleState) {
return cpsDataPersistenceService.queryDataNodes(NCMP_DATASPACE_NAME,
NCMP_DMI_REGISTRY_ANCHOR, "//state[@cm-handle-state=\""
+ cmHandleState + "\"]/ancestor::cm-handles",
FetchDescendantsOption.OMIT_DESCENDANTS);
}
/**
* This method retrieves DMI service name and DMI properties for a given cm handle.
* @param cmHandleId the id of the cm handle
* @return yang model cm handle
*/
public YangModelCmHandle getYangModelCmHandle(final String cmHandleId) {
CpsValidator.validateNameCharacters(cmHandleId);
final DataNode cmHandleDataNode = getCmHandleDataNode(cmHandleId);
final NcmpServiceCmHandle ncmpServiceCmHandle = new NcmpServiceCmHandle();
ncmpServiceCmHandle.setCmHandleId(cmHandleId);
populateCmHandleDetails(cmHandleDataNode, ncmpServiceCmHandle);
return YangModelCmHandle.toYangModelCmHandle(
(String) cmHandleDataNode.getLeaves().get("dmi-service-name"),
(String) cmHandleDataNode.getLeaves().get("dmi-data-service-name"),
(String) cmHandleDataNode.getLeaves().get("dmi-model-service-name"),
ncmpServiceCmHandle
);
}
private DataNode getCmHandleDataNode(final String cmHandle) {
final String xpathForDmiRegistryToFetchCmHandle = "/dmi-registry/cm-handles[@id='" + cmHandle + "']";
return cpsDataService.getDataNode(NCMP_DATASPACE_NAME,
NCMP_DMI_REGISTRY_ANCHOR,
xpathForDmiRegistryToFetchCmHandle,
FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
}
private static void populateCmHandleDetails(final DataNode cmHandleDataNode,
final NcmpServiceCmHandle ncmpServiceCmHandle) {
final Map<String, String> dmiProperties = new LinkedHashMap<>();
final Map<String, String> publicProperties = new LinkedHashMap<>();
final CompositeStateBuilder compositeStateBuilder = new CompositeStateBuilder();
CompositeState compositeState = compositeStateBuilder.build();
for (final DataNode childDataNode: cmHandleDataNode.getChildDataNodes()) {
if (childDataNode.getXpath().contains("/additional-properties[@name=")) {
addProperty(childDataNode, dmiProperties);
} else if (childDataNode.getXpath().contains("/public-properties[@name=")) {
addProperty(childDataNode, publicProperties);
} else if (childDataNode.getXpath().endsWith("/state")) {
compositeState = compositeStateBuilder.fromDataNode(childDataNode).build();
}
}
ncmpServiceCmHandle.setDmiProperties(dmiProperties);
ncmpServiceCmHandle.setPublicProperties(publicProperties);
ncmpServiceCmHandle.setCompositeState(compositeState);
}
private static void addProperty(final DataNode propertyDataNode, final Map<String, String> propertiesAsMap) {
propertiesAsMap.put(String.valueOf(propertyDataNode.getLeaves().get("name")),
String.valueOf(propertyDataNode.getLeaves().get("value")));
}
}
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