catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/input/InputsMergeCommand.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.input;
  22
  23 import org.openecomp.sdc.be.dao.api.ActionStatus;
  24 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
  25 import org.openecomp.sdc.be.impl.ComponentsUtils;
  26 import org.openecomp.sdc.be.model.Component;
  27 import org.openecomp.sdc.be.model.InputDefinition;
  28 import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
  29 import org.openecomp.sdc.common.log.wrappers.Logger;
  30
  31 import java.util.List;
  32 import java.util.Map;
  33 import java.util.stream.Collectors;
  34
  35 import static java.util.Collections.emptyList;
  36 import static org.apache.commons.collections.CollectionUtils.isEmpty;
  37
  38 public abstract class InputsMergeCommand {
  39
  40     private static final Logger log = Logger.getLogger(InputsMergeCommand.class);
  41
  42     private InputsValuesMergingBusinessLogic inputsValuesMergingBusinessLogic;
  43     private DeclaredInputsResolver declaredInputsResolver;
  44     private ToscaOperationFacade toscaOperationFacade;
  45     private ComponentsUtils componentsUtils;
  46
  47     public InputsMergeCommand(InputsValuesMergingBusinessLogic inputsValuesMergingBusinessLogic, DeclaredInputsResolver declaredInputsResolver, ToscaOperationFacade toscaOperationFacade, ComponentsUtils componentsUtils) {
  48         this.inputsValuesMergingBusinessLogic = inputsValuesMergingBusinessLogic;
  49         this.declaredInputsResolver = declaredInputsResolver;
  50         this.toscaOperationFacade = toscaOperationFacade;
  51         this.componentsUtils = componentsUtils;
  52     }
  53
  54     abstract List<InputDefinition> getInputsToMerge(Component component);
  55
  56     abstract Map<String, List<PropertyDataDefinition>> getProperties(Component component);
  57
  58     ActionStatus redeclareAndMergeInputsValues(Component prevComponent, Component currComponent) {
  59         if (prevComponent == null || isEmpty(prevComponent.getInputs())) {
  60             return ActionStatus.OK;
  61         }
  62         List<InputDefinition> mergedInputs = mergeInputsValues(prevComponent, currComponent);
  63         List<InputDefinition> previouslyDeclaredInputsToMerge = getUniquePreviouslyDeclaredInputsToMerge(prevComponent, currComponent, mergedInputs);
  64         mergedInputs.addAll(previouslyDeclaredInputsToMerge);
  65         return updateInputs(currComponent.getUniqueId(), mergedInputs);
  66     }
  67
  68
  69
  70     private List<InputDefinition> mergeInputsValues(Component prevComponent, Component currComponent) {
  71         log.debug("#mergeInputsValues - merge inputs values from previous component {} to current component {}", prevComponent.getUniqueId(), currComponent.getUniqueId());
  72         List<InputDefinition> inputsToMerge = getInputsToMerge(currComponent);
  73         List<InputDefinition> prevInputs = prevComponent.safeGetInputs();
  74         inputsValuesMergingBusinessLogic.mergeComponentInputs(prevInputs, inputsToMerge);
  75         return inputsToMerge;
  76     }
  77
  78     private List<InputDefinition> getUniquePreviouslyDeclaredInputsToMerge(Component prevComponent, Component currComponent, List<InputDefinition> mergedInputs) {
  79         List<InputDefinition> previouslyDeclaredInputsToMerge = getPreviouslyDeclaredInputsToMerge(prevComponent, currComponent);
  80         return previouslyDeclaredInputsToMerge.stream()
  81                 .filter(prev -> mergedInputs.stream()
  82                         .noneMatch(merged -> merged.getName().equals(prev.getName()))).collect(Collectors.toList());
  83     }
  84
  85
  86     private List<InputDefinition> getPreviouslyDeclaredInputsToMerge(Component prevComponent, Component currComponent) {
  87         log.debug("#getPreviouslyDeclaredInputsToMerge - getting inputs that were previously declared from previous component {} and setting on current component {}", prevComponent.getUniqueId(), currComponent.getUniqueId());
  88         if (isEmpty(prevComponent.getInputs())) {
  89             return emptyList();
  90         }
  91         Map<String, List<PropertyDataDefinition>> props = getProperties(currComponent);
  92         return declaredInputsResolver.getPreviouslyDeclaredInputsToMerge(prevComponent, currComponent, props);
  93     }
  94
  95     private ActionStatus updateInputs(String containerId, List<InputDefinition> inputsToUpdate) {
  96         log.debug("#updateInputs - updating inputs for container {}", containerId);
  97         return toscaOperationFacade.updateInputsToComponent(inputsToUpdate, containerId)
  98                 .either(updatedInputs -> ActionStatus.OK,
  99                         componentsUtils::convertFromStorageResponse);
 100     }
 101
 102 }