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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 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.openecomp.sdc.be.components.merge.capability;
import org.openecomp.sdc.be.components.merge.utils.MergeInstanceUtils;
import org.openecomp.sdc.be.dao.utils.MapUtil;
import org.openecomp.sdc.be.model.CapabilityDefinition;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.ComponentInstance;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import static java.util.stream.Collectors.toList;
import static org.openecomp.sdc.be.dao.utils.MapUtil.flattenMapValues;
@org.springframework.stereotype.Component
public class SimpleCapabilityResolver implements CapabilityResolver {
private MergeInstanceUtils mergeInstanceUtils;
public SimpleCapabilityResolver(MergeInstanceUtils mergeInstanceUtils) {
this.mergeInstanceUtils = mergeInstanceUtils;
}
@Override
public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapToNewCapability(Component container, Component prevInstanceOrigNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
List<CapabilityDefinition> newCapabilities = resolveInstanceCapabilities(container, cmptInstanceId);
Map<String, String> oldCapOwnerToNewOwner = mapOldToNewCapabilitiesOwnerIds(container, prevInstanceOrigNode, cmptInstanceId, prevCapabilities);
return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
}
@Override
public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapIdToNewCapability(ComponentInstance oldInstance, ComponentInstance currInstance) {
List<CapabilityDefinition> newCapabilities = flattenMapValues(currInstance.getCapabilities());
List<CapabilityDefinition> prevCapabilities = flattenMapValues(oldInstance.getCapabilities());
Map<String, String> oldCapOwnerToNewOwner = mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(oldInstance, currInstance);
return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
}
private Map<CapabilityDefinition, CapabilityDefinition> mapOldToNewCapabilities(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapability = findNewCapByPrevCapabilityNameTypeAndOwner(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
removeNotFoundNewCapabilities(oldToNewCapability);
return oldToNewCapability;
}
private Map<CapabilityDefinition, CapabilityDefinition> findNewCapByPrevCapabilityNameTypeAndOwner(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
Map<CapabilityDefinition, CapabilityDefinition> prevToNewCapabilityMapping = new HashMap<>();
prevCapabilities.forEach(prevCap -> {
CapabilityDefinition newCapability = mapOldToNewCapability(prevCap, newCapabilities, oldCapOwnerToNewOwner);
prevToNewCapabilityMapping.put(prevCap, newCapability);
});
return prevToNewCapabilityMapping;
}
private CapabilityDefinition mapOldToNewCapability(CapabilityDefinition prevCap, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
String newOwnerId = oldCapOwnerToNewOwner.get(prevCap.getOwnerId());
return newCapabilities.stream()
.filter(newCap -> newCap.getName().equals(prevCap.getName()))
.filter(newCap -> newCap.getType().equals(prevCap.getType()))
.filter(newCap -> newCap.getOwnerId().equals(newOwnerId))
.findFirst()
.orElse(null);
}
private Map<String, String> mapOldToNewCapabilitiesOwnerIds(Component container, Component origInstanceNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
List<String> prevCapOwnerIds = prevCapabilities.stream().map(CapabilityDefinition::getOwnerId).distinct().collect(toList());
return mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(container, origInstanceNode, cmptInstanceId, prevCapOwnerIds);
}
private void removeNotFoundNewCapabilities(Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapMap) {
oldToNewCapMap.values().removeIf(Objects::isNull);
}
private List<CapabilityDefinition> resolveInstanceCapabilities(Component capabilityOwnerContainer, String cmptInstanceId) {
return capabilityOwnerContainer.getComponentInstanceById(cmptInstanceId)
.map(ComponentInstance::getCapabilities)
.map(MapUtil::flattenMapValues)
.orElse(new ArrayList<>());
}
}
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