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/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.vid.model;
import static java.util.function.Function.identity;
import static java.util.stream.Collectors.counting;
import static java.util.stream.Collectors.groupingBy;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;
import org.apache.commons.lang3.StringUtils;
import org.onap.vid.mso.model.ModelInfo;
import org.springframework.stereotype.Component;
@Component
public class ModelUtil {
public <T> Map<String, Long> getExistingCounterMap(Map<String, T> nodeList, Function<T, ModelInfo> modelInfoExtractor) {
return nodeList.values().stream()
.map(it -> {
ModelInfo modelInfo = modelInfoExtractor.apply(it);
return StringUtils.defaultIfEmpty(modelInfo.getModelCustomizationId(), modelInfo.getModelVersionId());
})
.filter(Objects::nonNull)
.collect(groupingBy(identity(), counting()));
}
}
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