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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.io.Serializable;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.onap.cps.spi.model.DataNode;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class DataNodeHelper {
/**
* The nested DataNode object is being flattened.
*
* @param dataNode object.
* @return DataNode as stream.
*/
public static Stream<DataNode> flatten(final DataNode dataNode) {
return Stream.concat(Stream.of(dataNode),
dataNode.getChildDataNodes().stream().flatMap(DataNodeHelper::flatten));
}
/**
* The leaves for each DataNode is listed as map.
*
* @param dataNodes as collection.
* @return list of map for the all leaves.
*/
public static List<Map<String, Serializable>> getDataNodeLeaves(final Collection<DataNode> dataNodes) {
return dataNodes.stream()
.flatMap(DataNodeHelper::flatten)
.map(DataNode::getLeaves)
.collect(Collectors.toList());
}
/**
* The cm handle and status is listed as a collection.
*
* @param dataNodeLeaves as a list of map.
* @return list of collection containing cm handle id and statuses.
*/
public static List<Collection<Serializable>> getCmHandleIdToStatus(
final List<Map<String, Serializable>> dataNodeLeaves) {
return dataNodeLeaves.stream()
.map(Map::values)
.filter(col -> col.contains("PENDING")
|| col.contains("ACCEPTED")
|| col.contains("REJECTED"))
.collect(Collectors.toList());
}
}
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