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.ArrayList;
  30 import java.util.HashMap;
  31 import java.util.List;
  32 import java.util.Map;
  33 import java.util.Objects;
  34
  35 import static java.util.stream.Collectors.toList;
  36 import static org.openecomp.sdc.be.dao.utils.MapUtil.flattenMapValues;
  37 @org.springframework.stereotype.Component
  38 public class SimpleCapabilityResolver implements CapabilityResolver {
  39
  40     private MergeInstanceUtils mergeInstanceUtils;
  41
  42     public SimpleCapabilityResolver(MergeInstanceUtils mergeInstanceUtils) {
  43         this.mergeInstanceUtils = mergeInstanceUtils;
  44     }
  45
  46     @Override
  47     public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapToNewCapability(Component container, Component prevInstanceOrigNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
  48         List<CapabilityDefinition> newCapabilities = resolveInstanceCapabilities(container, cmptInstanceId);
  49         Map<String, String> oldCapOwnerToNewOwner = mapOldToNewCapabilitiesOwnerIds(container, prevInstanceOrigNode, cmptInstanceId, prevCapabilities);
  50         return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  51     }
  52
  53     @Override
  54     public Map<CapabilityDefinition, CapabilityDefinition> resolvePrevCapIdToNewCapability(ComponentInstance oldInstance, ComponentInstance currInstance) {
  55         List<CapabilityDefinition> newCapabilities = flattenMapValues(currInstance.getCapabilities());
  56         List<CapabilityDefinition> prevCapabilities = flattenMapValues(oldInstance.getCapabilities());
  57         Map<String, String> oldCapOwnerToNewOwner = mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(oldInstance, currInstance);
  58         return mapOldToNewCapabilities(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  59     }
  60
  61     private Map<CapabilityDefinition, CapabilityDefinition> mapOldToNewCapabilities(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  62         Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapability = findNewCapByPrevCapabilityNameTypeAndOwner(prevCapabilities, newCapabilities, oldCapOwnerToNewOwner);
  63         removeNotFoundNewCapabilities(oldToNewCapability);
  64         return oldToNewCapability;
  65     }
  66
  67     private Map<CapabilityDefinition, CapabilityDefinition> findNewCapByPrevCapabilityNameTypeAndOwner(List<CapabilityDefinition> prevCapabilities, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  68         Map<CapabilityDefinition, CapabilityDefinition> prevToNewCapabilityMapping = new HashMap<>();
  69         prevCapabilities.forEach(prevCap -> {
  70             CapabilityDefinition newCapability = mapOldToNewCapability(prevCap, newCapabilities, oldCapOwnerToNewOwner);
  71             prevToNewCapabilityMapping.put(prevCap, newCapability);
  72         });
  73         return prevToNewCapabilityMapping;
  74     }
  75
  76     private CapabilityDefinition mapOldToNewCapability(CapabilityDefinition prevCap, List<CapabilityDefinition> newCapabilities, Map<String, String> oldCapOwnerToNewOwner) {
  77         String newOwnerId = oldCapOwnerToNewOwner.get(prevCap.getOwnerId());
  78         return newCapabilities.stream()
  79                        .filter(newCap -> newCap.getName().equals(prevCap.getName()))
  80                        .filter(newCap -> newCap.getType().equals(prevCap.getType()))
  81                        .filter(newCap -> newCap.getOwnerId().equals(newOwnerId))
  82                        .findFirst()
  83                        .orElse(null);
  84     }
  85
  86
  87     private Map<String, String> mapOldToNewCapabilitiesOwnerIds(Component container, Component origInstanceNode, String cmptInstanceId, List<CapabilityDefinition> prevCapabilities) {
  88         List<String> prevCapOwnerIds = prevCapabilities.stream().map(CapabilityDefinition::getOwnerId).distinct().collect(toList());
  89         return mergeInstanceUtils.mapOldToNewCapabilitiesOwnerIds(container, origInstanceNode, cmptInstanceId, prevCapOwnerIds);
  90     }
  91
  92     private void removeNotFoundNewCapabilities(Map<CapabilityDefinition, CapabilityDefinition> oldToNewCapMap) {
  93         oldToNewCapMap.values().removeIf(Objects::isNull);
  94     }
  95
  96     private List<CapabilityDefinition> resolveInstanceCapabilities(Component capabilityOwnerContainer, String cmptInstanceId) {
  97         return capabilityOwnerContainer.getComponentInstanceById(cmptInstanceId)
  98                 .map(ComponentInstance::getCapabilities)
  99                 .map(MapUtil::flattenMapValues)
 100                 .orElse(new ArrayList<>());
 101     }
 102
 103
 104
 105
 106
 107 }