catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/capability/SimpleCapabilityResolver.java

   1 package org.openecomp.sdc.be.components.merge.capability;
   2
   3 import org.openecomp.sdc.be.components.merge.utils.MergeInstanceUtils;
   4 import org.openecomp.sdc.be.dao.utils.MapUtil;
   5 import org.openecomp.sdc.be.model.CapabilityDefinition;
   6 import org.openecomp.sdc.be.model.Component;
   7 import org.openecomp.sdc.be.model.ComponentInstance;
   8
   9 import java.util.*;
  10
  11 import static java.util.stream.Collectors.toList;
  12 import static org.openecomp.sdc.be.dao.utils.MapUtil.flattenMapValues;
  13 @org.springframework.stereotype.Component
  14 public class SimpleCapabilityResolver implements CapabilityResolver {
  15
  16     private MergeInstanceUtils mergeInstanceUtils;
  17
  18     public SimpleCapabilityResolver(MergeInstanceUtils mergeInstanceUtils) {
  19         this.mergeInstanceUtils = mergeInstanceUtils;
  20     }
  21
  22     @Override
  23     public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapToNewCapability(Component container, Component prevInstanceOrigNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
  24         List<CapabilityDefinition> newCapabilities = resolveInstanceCapabilities(container, cmptInstanceId);
  25         Map<String, String> oldCapOwnerToNewOwner = mapOldToNewCapabilitiesOwnerIds(container, prevInstanceOrigNode, cmptInstanceId, prevCapabilities);
  26         return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  27     }
  28
  29     @Override
  30     public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapIdToNewCapability(ComponentInstance oldInstance, ComponentInstance currInstance) {
  31         List<CapabilityDefinition> newCapabilities = flattenMapValues(currInstance.getCapabilities());
  32         List<CapabilityDefinition> prevCapabilities = flattenMapValues(oldInstance.getCapabilities());
  33         Map<String, String> oldCapOwnerToNewOwner = mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(oldInstance, currInstance);
  34         return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  35     }
  36
  37     private Map<CapabilityDefinition, CapabilityDefinition> mapOldToNewCapabilities(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  38         Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapability = findNewCapByPrevCapabilityNameTypeAndOwner(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  39         removeNotFoundNewCapabilities(oldToNewCapability);
  40         return oldToNewCapability;
  41     }
  42
  43     private Map<CapabilityDefinition, CapabilityDefinition> findNewCapByPrevCapabilityNameTypeAndOwner(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  44         Map<CapabilityDefinition, CapabilityDefinition> prevToNewCapabilityMapping = new HashMap<>();
  45         prevCapabilities.forEach(prevCap -> {
  46             CapabilityDefinition newCapability = mapOldToNewCapability(prevCap, newCapabilities, oldCapOwnerToNewOwner);
  47             prevToNewCapabilityMapping.put(prevCap, newCapability);
  48         });
  49         return prevToNewCapabilityMapping;
  50     }
  51
  52     private CapabilityDefinition mapOldToNewCapability(CapabilityDefinition prevCap, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  53         String newOwnerId = oldCapOwnerToNewOwner.get(prevCap.getOwnerId());
  54         return newCapabilities.stream()
  55                        .filter(newCap -> newCap.getName().equals(prevCap.getName()))
  56                        .filter(newCap -> newCap.getType().equals(prevCap.getType()))
  57                        .filter(newCap -> newCap.getOwnerId().equals(newOwnerId))
  58                        .findFirst()
  59                        .orElse(null);
  60     }
  61
  62
  63     private Map<String, String> mapOldToNewCapabilitiesOwnerIds(Component container, Component origInstanceNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
  64         List<String> prevCapOwnerIds = prevCapabilities.stream().map(CapabilityDefinition::getOwnerId).distinct().collect(toList());
  65         return mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(container, origInstanceNode, cmptInstanceId, prevCapOwnerIds);
  66     }
  67
  68     private void removeNotFoundNewCapabilities(Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapMap) {
  69         oldToNewCapMap.values().removeIf(Objects::isNull);
  70     }
  71
  72     private List<CapabilityDefinition> resolveInstanceCapabilities(Component capabilityOwnerContainer, String cmptInstanceId) {
  73         return capabilityOwnerContainer.getComponentInstanceById(cmptInstanceId)
  74                 .map(ComponentInstance::getCapabilities)
  75                 .map(MapUtil::flattenMapValues)
  76                 .orElse(new ArrayList<>());
  77     }
  78
  79
  80
  81
  82
  83 }