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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.components.merge.capability;
  22
  23 import org.openecomp.sdc.be.components.merge.utils.MergeInstanceUtils;
  24 import org.openecomp.sdc.be.dao.utils.MapUtil;
  25 import org.openecomp.sdc.be.model.CapabilityDefinition;
  26 import org.openecomp.sdc.be.model.Component;
  27 import org.openecomp.sdc.be.model.ComponentInstance;
  28
  29 import java.util.*;
  30
  31 import static java.util.stream.Collectors.toList;
  32 import static org.openecomp.sdc.be.dao.utils.MapUtil.flattenMapValues;
  33 @org.springframework.stereotype.Component
  34 public class SimpleCapabilityResolver implements CapabilityResolver {
  35
  36     private MergeInstanceUtils mergeInstanceUtils;
  37
  38     public SimpleCapabilityResolver(MergeInstanceUtils mergeInstanceUtils) {
  39         this.mergeInstanceUtils = mergeInstanceUtils;
  40     }
  41
  42     @Override
  43     public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapToNewCapability(Component container, Component prevInstanceOrigNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
  44         List<CapabilityDefinition> newCapabilities = resolveInstanceCapabilities(container, cmptInstanceId);
  45         Map<String, String> oldCapOwnerToNewOwner = mapOldToNewCapabilitiesOwnerIds(container, prevInstanceOrigNode, cmptInstanceId, prevCapabilities);
  46         return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  47     }
  48
  49     @Override
  50     public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapIdToNewCapability(ComponentInstance oldInstance, ComponentInstance currInstance) {
  51         List<CapabilityDefinition> newCapabilities = flattenMapValues(currInstance.getCapabilities());
  52         List<CapabilityDefinition> prevCapabilities = flattenMapValues(oldInstance.getCapabilities());
  53         Map<String, String> oldCapOwnerToNewOwner = mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(oldInstance, currInstance);
  54         return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  55     }
  56
  57     private Map<CapabilityDefinition, CapabilityDefinition> mapOldToNewCapabilities(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  58         Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapability = findNewCapByPrevCapabilityNameTypeAndOwner(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  59         removeNotFoundNewCapabilities(oldToNewCapability);
  60         return oldToNewCapability;
  61     }
  62
  63     private Map<CapabilityDefinition, CapabilityDefinition> findNewCapByPrevCapabilityNameTypeAndOwner(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  64         Map<CapabilityDefinition, CapabilityDefinition> prevToNewCapabilityMapping = new HashMap<>();
  65         prevCapabilities.forEach(prevCap -> {
  66             CapabilityDefinition newCapability = mapOldToNewCapability(prevCap, newCapabilities, oldCapOwnerToNewOwner);
  67             prevToNewCapabilityMapping.put(prevCap, newCapability);
  68         });
  69         return prevToNewCapabilityMapping;
  70     }
  71
  72     private CapabilityDefinition mapOldToNewCapability(CapabilityDefinition prevCap, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  73         String newOwnerId = oldCapOwnerToNewOwner.get(prevCap.getOwnerId());
  74         return newCapabilities.stream()
  75                        .filter(newCap -> newCap.getName().equals(prevCap.getName()))
  76                        .filter(newCap -> newCap.getType().equals(prevCap.getType()))
  77                        .filter(newCap -> newCap.getOwnerId().equals(newOwnerId))
  78                        .findFirst()
  79                        .orElse(null);
  80     }
  81
  82
  83     private Map<String, String> mapOldToNewCapabilitiesOwnerIds(Component container, Component origInstanceNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
  84         List<String> prevCapOwnerIds = prevCapabilities.stream().map(CapabilityDefinition::getOwnerId).distinct().collect(toList());
  85         return mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(container, origInstanceNode, cmptInstanceId, prevCapOwnerIds);
  86     }
  87
  88     private void removeNotFoundNewCapabilities(Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapMap) {
  89         oldToNewCapMap.values().removeIf(Objects::isNull);
  90     }
  91
  92     private List<CapabilityDefinition> resolveInstanceCapabilities(Component capabilityOwnerContainer, String cmptInstanceId) {
  93         return capabilityOwnerContainer.getComponentInstanceById(cmptInstanceId)
  94                 .map(ComponentInstance::getCapabilities)
  95                 .map(MapUtil::flattenMapValues)
  96                 .orElse(new ArrayList<>());
  97     }
  98
  99
 100
 101
 102
 103 }