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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.sync;
import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NCMP_DATASPACE_NAME;
import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NCMP_DMI_REGISTRY_ANCHOR;
import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NCMP_DMI_REGISTRY_PARENT;
import java.security.SecureRandom;
import java.time.OffsetDateTime;
import java.util.List;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.ncmp.api.impl.operations.YangModelCmHandleRetriever;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
import org.onap.cps.spi.CpsDataPersistenceService;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.utils.JsonObjectMapper;
import org.springframework.stereotype.Component;
@Slf4j
@Component
@RequiredArgsConstructor
public class SyncUtils {
private static final SecureRandom secureRandom = new SecureRandom();
private final CpsDataService cpsDataService;
private final CpsDataPersistenceService cpsDataPersistenceService;
private final JsonObjectMapper jsonObjectMapper;
private final YangModelCmHandleRetriever yangModelCmHandleRetriever;
/**
* Query data nodes for cm handles with an "ADVISED" cm handle state, and select a random entry for processing.
*
* @return a random yang model cm handle with an ADVISED state, return null if not found
*/
public YangModelCmHandle getAnAdvisedCmHandle() {
final List<DataNode> advisedCmHandles = cpsDataPersistenceService.queryDataNodes("NCMP-Admin",
"ncmp-dmi-registry", "//cm-handles[@state=\"ADVISED\"]",
FetchDescendantsOption.OMIT_DESCENDANTS);
if (advisedCmHandles.isEmpty()) {
return null;
}
final int randomElementIndex = secureRandom.nextInt(advisedCmHandles.size());
final String cmHandleId = advisedCmHandles.get(randomElementIndex).getLeaves()
.get("id").toString();
return yangModelCmHandleRetriever.getYangModelCmHandle(cmHandleId);
}
/**
* Update the Cm Handle state to "READY".
*
* @param yangModelCmHandle yang model cm handle
* @param state cm handle state
*/
public void updateCmHandleState(final YangModelCmHandle yangModelCmHandle, final String state) {
yangModelCmHandle.setCmHandleState(state);
final String cmHandleJsonData = String.format("{\"cm-handles\":[%s]}",
jsonObjectMapper.asJsonString(yangModelCmHandle));
cpsDataService.updateNodeLeaves(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR, NCMP_DMI_REGISTRY_PARENT,
cmHandleJsonData, OffsetDateTime.now());
}
}
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