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/*
Copyright 2023 Huawei Technologies
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.
*/
package org.onap.modeling.yangkit.comparator;
import java.util.ArrayList;
import java.util.List;
import org.yangcentral.yangkit.model.api.stmt.Mandatory;
public class MandatoryComparator extends CommonYangStatementComparator<Mandatory> {
/**
* get the change information.
* @param left left statement
* @param right right statement
* @return list of change information
*/
@Override
protected List<CompatibilityRule.ChangeInfo> getChangeInfo(Mandatory left, Mandatory right) {
List<CompatibilityRule.ChangeInfo> changeInfos = new ArrayList<>();
if (left.getValue() && !right.getValue()) {
changeInfos.add(CompatibilityRule.ChangeInfo.EXPAND);
} else if (!left.getValue() && right.getValue()) {
changeInfos.add(CompatibilityRule.ChangeInfo.REDUCE);
}
if (super.getChangeInfo(left, right).contains(CompatibilityRule.ChangeInfo.SEQUENCE_CHANGED)) {
changeInfos.add(CompatibilityRule.ChangeInfo.SEQUENCE_CHANGED);
}
return changeInfos;
}
/**
* get default compatibility.
* @param left left statement
* @param right right statement
* @param changeInfo change information.
* @return default compatibility
*/
@Override
protected CompatibilityInfo defaultCompatibility(Mandatory left, Mandatory right,
CompatibilityRule.ChangeInfo changeInfo) {
if (changeInfo == CompatibilityRule.ChangeInfo.REDUCE) {
return new CompatibilityInfo(CompatibilityRule.Compatibility.NBC, "mandatory is changed from false to true,"
+ "it's non-backward-compatible.");
}
return super.defaultCompatibility(left, right, changeInfo);
}
}
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