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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023-2024 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.utils.data.operation;
import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_HANDLES_NOT_FOUND;
import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_HANDLES_NOT_READY;
import io.cloudevents.CloudEvent;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.events.EventsPublisher;
import org.onap.cps.ncmp.api.NcmpResponseStatus;
import org.onap.cps.ncmp.api.impl.inventory.CmHandleState;
import org.onap.cps.ncmp.api.impl.operations.CmHandle;
import org.onap.cps.ncmp.api.impl.operations.DmiDataOperation;
import org.onap.cps.ncmp.api.impl.utils.DmiServiceNameOrganizer;
import org.onap.cps.ncmp.api.impl.utils.context.CpsApplicationContext;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
import org.onap.cps.ncmp.api.models.DataOperationDefinition;
import org.onap.cps.ncmp.api.models.DataOperationRequest;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class ResourceDataOperationRequestUtils {
private static final String UNKNOWN_SERVICE_NAME = null;
/**
* Create a list of DMI data operation per DMI service (name).
*
* @param topicParamInQuery client given topic
* @param requestId unique identifier per request
* @param dataOperationRequestIn incoming data operation request details
* @param yangModelCmHandles involved cm handles represented as YangModelCmHandle (incl. metadata)
* @return {@code Map<String, List<DmiBatchOperation>>} Create a list of DMI batch operation per DMI service (name).
*/
public static Map<String, List<DmiDataOperation>> processPerDefinitionInDataOperationsRequest(
final String topicParamInQuery,
final String requestId,
final DataOperationRequest dataOperationRequestIn,
final Collection<YangModelCmHandle> yangModelCmHandles) {
final Map<String, List<DmiDataOperation>> dmiDataOperationsOutPerDmiServiceName = new HashMap<>();
final MultiValueMap<DmiDataOperation, Map<NcmpResponseStatus,
List<String>>> cmHandleIdsPerResponseCodesPerOperation = new LinkedMultiValueMap<>();
final Set<String> nonReadyCmHandleIdsLookup = filterAndGetNonReadyCmHandleIds(yangModelCmHandles);
final Map<String, Map<String, Map<String, String>>> dmiPropertiesPerCmHandleIdPerServiceName =
DmiServiceNameOrganizer.getDmiPropertiesPerCmHandleIdPerServiceName(yangModelCmHandles);
final Map<String, String> dmiServiceNamesPerCmHandleId =
getDmiServiceNamesPerCmHandleId(dmiPropertiesPerCmHandleIdPerServiceName);
for (final DataOperationDefinition dataOperationDefinitionIn :
dataOperationRequestIn.getDataOperationDefinitions()) {
final List<String> nonExistingCmHandleIds = new ArrayList<>();
final List<String> nonReadyCmHandleIds = new ArrayList<>();
for (final String cmHandleId : dataOperationDefinitionIn.getCmHandleIds()) {
if (nonReadyCmHandleIdsLookup.contains(cmHandleId)) {
nonReadyCmHandleIds.add(cmHandleId);
} else {
final String dmiServiceName = dmiServiceNamesPerCmHandleId.get(cmHandleId);
final Map<String, String> cmHandleIdProperties
= dmiPropertiesPerCmHandleIdPerServiceName.get(dmiServiceName).get(cmHandleId);
if (cmHandleIdProperties == null) {
nonExistingCmHandleIds.add(cmHandleId);
} else {
final DmiDataOperation dmiBatchOperationOut = getOrAddDmiBatchOperation(dmiServiceName,
dataOperationDefinitionIn, dmiDataOperationsOutPerDmiServiceName);
final CmHandle cmHandle = CmHandle.buildCmHandleWithProperties(cmHandleId,
cmHandleIdProperties);
dmiBatchOperationOut.getCmHandles().add(cmHandle);
}
}
}
populateCmHandleIdsPerOperationIdPerResponseCode(cmHandleIdsPerResponseCodesPerOperation,
DmiDataOperation.buildDmiDataOperationRequestBodyWithoutCmHandles(dataOperationDefinitionIn),
CM_HANDLES_NOT_FOUND, nonExistingCmHandleIds);
populateCmHandleIdsPerOperationIdPerResponseCode(cmHandleIdsPerResponseCodesPerOperation,
DmiDataOperation.buildDmiDataOperationRequestBodyWithoutCmHandles(dataOperationDefinitionIn),
CM_HANDLES_NOT_READY, nonReadyCmHandleIds);
}
if (!cmHandleIdsPerResponseCodesPerOperation.isEmpty()) {
publishErrorMessageToClientTopic(topicParamInQuery, requestId, cmHandleIdsPerResponseCodesPerOperation);
}
return dmiDataOperationsOutPerDmiServiceName;
}
/**
* Creates data operation cloud event and publish it to client topic.
*
* @param clientTopic client given topic
* @param requestId unique identifier per request
* @param cmHandleIdsPerResponseCodesPerOperation list of cm handle ids per operation with response code
*/
public static void publishErrorMessageToClientTopic(final String clientTopic,
final String requestId,
final MultiValueMap<DmiDataOperation,
Map<NcmpResponseStatus, List<String>>>
cmHandleIdsPerResponseCodesPerOperation) {
final CloudEvent dataOperationCloudEvent = DataOperationEventCreator.createDataOperationEvent(clientTopic,
requestId, cmHandleIdsPerResponseCodesPerOperation);
final EventsPublisher<CloudEvent> eventsPublisher = CpsApplicationContext.getCpsBean(EventsPublisher.class);
eventsPublisher.publishCloudEvent(clientTopic, requestId, dataOperationCloudEvent);
}
private static Map<String, String> getDmiServiceNamesPerCmHandleId(
final Map<String, Map<String, Map<String, String>>> dmiDmiPropertiesPerCmHandleIdPerServiceName) {
final Map<String, String> dmiServiceNamesPerCmHandleId = new HashMap<>();
for (final Map.Entry<String, Map<String, Map<String, String>>> dmiDmiPropertiesEntry
: dmiDmiPropertiesPerCmHandleIdPerServiceName.entrySet()) {
final String dmiServiceName = dmiDmiPropertiesEntry.getKey();
final Set<String> cmHandleIds = dmiDmiPropertiesPerCmHandleIdPerServiceName.get(dmiServiceName).keySet();
for (final String cmHandleId : cmHandleIds) {
dmiServiceNamesPerCmHandleId.put(cmHandleId, dmiServiceName);
}
}
dmiDmiPropertiesPerCmHandleIdPerServiceName.put(UNKNOWN_SERVICE_NAME, Collections.emptyMap());
return dmiServiceNamesPerCmHandleId;
}
private static DmiDataOperation getOrAddDmiBatchOperation(final String dmiServiceName,
final DataOperationDefinition
dataOperationDefinitionIn,
final Map<String, List<DmiDataOperation>>
dmiBatchOperationsOutPerDmiServiceName) {
dmiBatchOperationsOutPerDmiServiceName
.computeIfAbsent(dmiServiceName, dmiServiceNameAsKey -> new ArrayList<>());
final List<DmiDataOperation> dmiBatchOperationsOut
= dmiBatchOperationsOutPerDmiServiceName.get(dmiServiceName);
final boolean isNewOperation = dmiBatchOperationsOut.isEmpty()
|| !dmiBatchOperationsOut.get(dmiBatchOperationsOut.size() - 1).getOperationId()
.equals(dataOperationDefinitionIn.getOperationId());
if (isNewOperation) {
final DmiDataOperation newDmiBatchOperationOut =
DmiDataOperation.buildDmiDataOperationRequestBodyWithoutCmHandles(dataOperationDefinitionIn);
dmiBatchOperationsOut.add(newDmiBatchOperationOut);
return newDmiBatchOperationOut;
}
return dmiBatchOperationsOut.get(dmiBatchOperationsOut.size() - 1);
}
private static Set<String> filterAndGetNonReadyCmHandleIds(final Collection<YangModelCmHandle> yangModelCmHandles) {
return yangModelCmHandles.stream()
.filter(yangModelCmHandle -> yangModelCmHandle.getCompositeState().getCmHandleState()
!= CmHandleState.READY).map(YangModelCmHandle::getId).collect(Collectors.toSet());
}
private static void populateCmHandleIdsPerOperationIdPerResponseCode(final MultiValueMap<DmiDataOperation,
Map<NcmpResponseStatus, List<String>>> cmHandleIdsPerResponseCodesPerOperation,
final DmiDataOperation dmiDataOperation,
final NcmpResponseStatus
ncmpResponseStatus,
final List<String> cmHandleIds) {
if (!cmHandleIds.isEmpty()) {
cmHandleIdsPerResponseCodesPerOperation.add(dmiDataOperation, Map.of(ncmpResponseStatus, cmHandleIds));
}
}
}
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