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/**
* Copyright 2017-2021 ZTE Corporation.
*
* 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.holmes.common.aai;
import lombok.extern.slf4j.Slf4j;
import org.onap.holmes.common.aai.entity.RelationshipList.Relationship;
import org.onap.holmes.common.aai.entity.VmEntity;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.common.utils.SpringContextUtil;
import java.util.List;
import java.util.Optional;
@Slf4j
public class CorrelationUtil {
private static AaiQuery aaiQuery;
private static class LazyHolder {
private static final CorrelationUtil INSTANCE = new CorrelationUtil();
}
private CorrelationUtil (){}
public static final CorrelationUtil getInstance() {
if (aaiQuery == null) {
aaiQuery = SpringContextUtil.getBean(AaiQuery.class);
}
return LazyHolder.INSTANCE;
}
public boolean isTopologicallyRelated(String sourceId, String rootSourceId, String rootSourceName) {
return Optional.ofNullable(getVmEntity(rootSourceId, rootSourceName)).map(vmEntity ->
getIsRelated(sourceId, vmEntity)).orElse(false);
}
private boolean getIsRelated(String sourceId, VmEntity vmEntity) {
List<Relationship> relationships = vmEntity.getRelationshipList().getRelationships();
for (Relationship relationship : relationships) {
boolean isRelated = relationship.getRelationshipDataList().stream().anyMatch(
relationshipData -> relationshipData.getRelationshipValue().equals(sourceId));
if (isRelated) {
return true;
}
}
return false;
}
private VmEntity getVmEntity(String rootSourceId, String rootSourceName) {
VmEntity vmEntity = null;
try {
vmEntity = aaiQuery.getAaiVmData(rootSourceId, rootSourceName);
} catch (CorrelationException e) {
log.error("Failed to get the VM data.", e);
}
return vmEntity;
}
}
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