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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023 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;
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 lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.operations.CmHandle;
import org.onap.cps.ncmp.api.impl.operations.DmiBatchOperation;
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;
@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class ResourceDataBatchRequestUtils {
private static final String UNKNOWN_SERVICE_NAME = null;
/**
* Create a list of DMI batch operation per DMI service (name).
*
* @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<DmiBatchOperation>> processPerOperationInBatchRequest(
final DataOperationRequest dataOperationRequestIn,
final Collection<YangModelCmHandle> yangModelCmHandles) {
final Map<String, Map<String, Map<String, String>>> dmiPropertiesPerCmHandleIdPerServiceName =
DmiServiceNameOrganizer.getDmiPropertiesPerCmHandleIdPerServiceName(yangModelCmHandles);
final Map<String, String> dmiServiceNamesPerCmHandleId =
getDmiServiceNamesPerCmHandleId(dmiPropertiesPerCmHandleIdPerServiceName);
final Map<String, List<DmiBatchOperation>> dmiBatchOperationsOutPerDmiServiceName = new HashMap<>();
for (final DataOperationDefinition dataOperationDefinitionIn :
dataOperationRequestIn.getDataOperationDefinitions()) {
for (final String cmHandleId : dataOperationDefinitionIn.getCmHandleIds()) {
final String dmiServiceName = dmiServiceNamesPerCmHandleId.get(cmHandleId);
final Map<String, String> cmHandleIdProperties
= dmiPropertiesPerCmHandleIdPerServiceName.get(dmiServiceName).get(cmHandleId);
if (cmHandleIdProperties == null) {
publishErrorMessageToClientTopic(cmHandleId);
} else {
final DmiBatchOperation dmiBatchOperationOut = getOrAddDmiBatchOperation(dmiServiceName,
dataOperationDefinitionIn, dmiBatchOperationsOutPerDmiServiceName);
final CmHandle cmHandle = CmHandle.buildCmHandleWithProperties(cmHandleId, cmHandleIdProperties);
dmiBatchOperationOut.getCmHandles().add(cmHandle);
}
}
}
return dmiBatchOperationsOutPerDmiServiceName;
}
private static void publishErrorMessageToClientTopic(final String requestedCmHandleId) {
log.warn("cm handle {} not found", requestedCmHandleId);
// TODO Need to publish an error response to client given topic.
// Code should be implemented into https://jira.onap.org/browse/CPS-1583 (
// NCMP : Handle non-existing cm handles)
}
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 DmiBatchOperation getOrAddDmiBatchOperation(final String dmiServiceName,
final DataOperationDefinition
dataOperationDefinitionIn,
final Map<String, List<DmiBatchOperation>>
dmiBatchOperationsOutPerDmiServiceName) {
dmiBatchOperationsOutPerDmiServiceName
.computeIfAbsent(dmiServiceName, dmiServiceNameAsKey -> new ArrayList<>());
final List<DmiBatchOperation> dmiBatchOperationsOut
= dmiBatchOperationsOutPerDmiServiceName.get(dmiServiceName);
final boolean isNewOperation = dmiBatchOperationsOut.isEmpty()
|| !dmiBatchOperationsOut.get(dmiBatchOperationsOut.size() - 1).getOperationId()
.equals(dataOperationDefinitionIn.getOperationId());
if (isNewOperation) {
final DmiBatchOperation newDmiBatchOperationOut =
DmiBatchOperation.buildDmiBatchRequestBodyWithoutCmHandles(dataOperationDefinitionIn);
dmiBatchOperationsOut.add(newDmiBatchOperationOut);
return newDmiBatchOperationOut;
}
return dmiBatchOperationsOut.get(dmiBatchOperationsOut.size() - 1);
}
}
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