catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/group/GroupPropertiesMergeCommand.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.group;
  22
  23 import org.openecomp.sdc.be.components.merge.ComponentsGlobalMergeCommand;
  24 import org.openecomp.sdc.be.components.merge.VspComponentsMergeCommand;
  25 import org.openecomp.sdc.be.components.merge.property.DataDefinitionsValuesMergingBusinessLogic;
  26 import org.openecomp.sdc.be.dao.api.ActionStatus;
  27 import org.openecomp.sdc.be.datatypes.elements.GroupDataDefinition;
  28 import org.openecomp.sdc.be.impl.ComponentsUtils;
  29 import org.openecomp.sdc.be.model.Component;
  30 import org.openecomp.sdc.be.model.GroupDefinition;
  31 import org.openecomp.sdc.be.model.InputDefinition;
  32 import org.openecomp.sdc.be.model.jsonjanusgraph.operations.GroupsOperation;
  33 import org.springframework.core.annotation.Order;
  34
  35 import java.util.List;
  36 import java.util.Map;
  37
  38 import static java.util.Collections.emptyList;
  39 import static java.util.stream.Collectors.toList;
  40 import static java.util.stream.Collectors.toMap;
  41 import static org.apache.commons.collections.CollectionUtils.isEmpty;
  42 import static org.apache.commons.collections.CollectionUtils.isNotEmpty;
  43 import static org.openecomp.sdc.be.components.merge.resource.ResourceDataMergeBusinessLogic.ANY_ORDER_COMMAND;
  44
  45 @org.springframework.stereotype.Component
  46 @Order(ANY_ORDER_COMMAND)
  47 public class GroupPropertiesMergeCommand implements VspComponentsMergeCommand, ComponentsGlobalMergeCommand {
  48
  49     private final GroupsOperation groupsOperation;
  50     private final ComponentsUtils componentsUtils;
  51     private final DataDefinitionsValuesMergingBusinessLogic propertyValuesMergingBusinessLogic;
  52
  53     public GroupPropertiesMergeCommand(GroupsOperation groupsOperation, ComponentsUtils componentsUtils, DataDefinitionsValuesMergingBusinessLogic propertyValuesMergingBusinessLogic) {
  54         this.groupsOperation = groupsOperation;
  55         this.componentsUtils = componentsUtils;
  56         this.propertyValuesMergingBusinessLogic = propertyValuesMergingBusinessLogic;
  57     }
  58
  59     @Override
  60     public String description() {
  61         return "merge groups user defined properties values";
  62     }
  63
  64     /**
  65      * merge user defined group properties values from previous version into vsp defined groups in new version
  66      * @param prevComponent the old component, whose group properties need to be merged from
  67      * @param currentComponent the new component, whose group properties need to be merged into
  68      * old and new component inputs are needed in order to determine if a "get_input" property value should be merged
  69      * @return the status of the merge operation
  70      */
  71     @Override
  72     public ActionStatus mergeComponents(Component prevComponent, Component currentComponent) {
  73         List<GroupDefinition> groupsToUpdate = updateOldGrpsPropertiesValuesIntoNewVspGroupsProps(prevComponent, currentComponent);
  74         return updateGroups(currentComponent, groupsToUpdate);
  75     }
  76
  77     private List<GroupDefinition> updateOldGrpsPropertiesValuesIntoNewVspGroupsProps(Component prevComponent, Component currentComponent) {
  78         List<GroupDefinition> prevGroups = prevComponent.getGroups();
  79         List<GroupDefinition> newGroups = currentComponent.getGroups();
  80         if (isEmpty(prevGroups) || isEmpty(newGroups)) {
  81             return emptyList();
  82         }
  83         return mergeGroupPropertiesValues(prevComponent, currentComponent, prevGroups, newGroups);
  84     }
  85
  86     private List<GroupDefinition> mergeGroupPropertiesValues(Component prevComponent, Component currentComponent, List<GroupDefinition> prevGroups, List<GroupDefinition> newGroups) {
  87         Map<String, GroupDefinition> prevGroupsByInvariantName = getVspGroupsMappedByInvariantName(prevGroups);
  88         List<GroupDefinition> newGroupsExistInPrevVersion = getNewGroupsExistInPrevComponent(prevGroupsByInvariantName, newGroups);
  89         newGroupsExistInPrevVersion.forEach(newGroup -> {
  90             GroupDefinition prevGroup = prevGroupsByInvariantName.get(newGroup.getInvariantName());
  91             mergeGroupProperties(prevGroup, prevComponent.safeGetInputs(), newGroup, currentComponent.safeGetInputs());
  92         });
  93         return newGroupsExistInPrevVersion;
  94     }
  95
  96     private void mergeGroupProperties(GroupDefinition prevGroup, List<InputDefinition> prevInputs, GroupDefinition newGroup, List<InputDefinition> currInputs) {
  97         propertyValuesMergingBusinessLogic.mergeInstanceDataDefinitions(prevGroup.getProperties(), prevInputs, newGroup.getProperties(), currInputs);
  98     }
  99
 100     private List<GroupDefinition> getNewGroupsExistInPrevComponent(Map<String, GroupDefinition> prevGroupsByInvariantName, List<GroupDefinition> newGroups) {
 101         return newGroups.stream()
 102                 .filter(newGroup -> prevGroupsByInvariantName.containsKey(newGroup.getInvariantName()))
 103                 .filter(newGroup -> isNotEmpty(newGroup.getProperties()))
 104                 .collect(toList());
 105     }
 106
 107     private Map<String, GroupDefinition> getVspGroupsMappedByInvariantName(List<GroupDefinition> newGroups) {
 108         return newGroups.stream()
 109                 .filter(GroupDataDefinition::isVspOriginated)
 110                 .filter(grp -> isNotEmpty(grp.getProperties()))
 111                 .collect(toMap(GroupDataDefinition::getInvariantName,
 112                                group -> group));
 113     }
 114
 115     private ActionStatus updateGroups(Component currentComponent, List<GroupDefinition> groupsToUpdate) {
 116         if (isEmpty(groupsToUpdate)) {
 117             return ActionStatus.OK;
 118         }
 119         return groupsOperation.updateGroups(currentComponent, groupsToUpdate, false)
 120                 .either(updatedGroups -> ActionStatus.OK,
 121                         err -> componentsUtils.convertFromStorageResponse(err, currentComponent.getComponentType()));
 122     }
 123
 124 }