catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/input/DeclaredInputsResolver.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
  24 import com.google.common.base.Strings;
  25 import org.openecomp.sdc.be.dao.utils.MapUtil;
  26 import org.openecomp.sdc.be.datatypes.elements.GetInputValueDataDefinition;
  27 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
  28 import org.openecomp.sdc.be.model.Component;
  29 import org.openecomp.sdc.be.model.InputDefinition;
  30
  31 import java.util.ArrayList;
  32 import java.util.List;
  33 import java.util.Map;
  34 import java.util.Objects;
  35 import java.util.stream.Collectors;
  36
  37 import static org.openecomp.sdc.be.utils.PropertyDefinitionUtils.resolveGetInputProperties;
  38
  39 @org.springframework.stereotype.Component
  40 public class DeclaredInputsResolver {
  41     /**
  42      * @param oldComponent the old state of {@link Component} that is being updated
  43      * @param newComponent the new state of {@link Component} that is being updated
  44      * @param properties a list of properties
  45      * @return a list of all inputs that were previously declared and need to be merged to the updating component
  46      * An input needs to merged if a property was declared as an input (by the user) in previous component version and the declared input not exist in new version
  47      */
  48     List<InputDefinition> getPreviouslyDeclaredInputsToMerge(Component oldComponent, Component newComponent, Map<String, List<PropertyDataDefinition>> properties) {
  49         List<InputDefinition> oldInputs = oldComponent.safeGetInputs();
  50         return getPreviouslyDeclaredInputsToMerge(oldInputs, newComponent, properties);
  51     }
  52
  53     public List<InputDefinition> getPreviouslyDeclaredInputsToMerge(List<InputDefinition> oldInputs, Component newComponent, Map<String, List<PropertyDataDefinition>> properties) {
  54         Map<String, List<PropertyDataDefinition>> getInputProperties = resolveGetInputProperties(properties);
  55         List<RedeclareInputData> inputsToRedeclareData = buildRedeclareInputData(newComponent, getInputProperties);
  56         return findPrevDeclaredInputs(oldInputs, inputsToRedeclareData);
  57     }
  58
  59     private List<RedeclareInputData> buildRedeclareInputData(Component newComponent, Map<String, List<PropertyDataDefinition>> getInputProperties) {
  60         Map<String, InputDefinition> inputsById = MapUtil.toMap(newComponent.getInputs(), InputDefinition::getUniqueId);
  61         List<RedeclareInputData> redeclareInputData = new ArrayList<>();
  62         getInputProperties.forEach((instanceId, getInputProps) -> redeclareInputData.addAll(findInputsToRedeclare(inputsById, instanceId, getInputProps)));
  63         return redeclareInputData;
  64
  65     }
  66
  67     private List<InputDefinition> findPrevDeclaredInputs(List<InputDefinition> oldInputs, List<RedeclareInputData> inputsToRedeclareData) {
  68         Map<String, InputDefinition> oldInputsById = MapUtil.toMap(oldInputs, InputDefinition::getUniqueId);
  69         List<InputDefinition> inputsToRedeclare = new ArrayList<>();
  70         inputsToRedeclareData.forEach(redeclareInputData -> {
  71             List<InputDefinition> inputDefinitions = prepareInputsForRedeclaration(oldInputsById, redeclareInputData);
  72             inputsToRedeclare.addAll(inputDefinitions);
  73         });
  74         return inputsToRedeclare;
  75     }
  76
  77     private List<RedeclareInputData> findInputsToRedeclare(Map<String, InputDefinition> inputsById, String instanceId, List<PropertyDataDefinition> getInputProps) {
  78         List<RedeclareInputData> redeclareInputDataList = new ArrayList<>();
  79         getInputProps.forEach(property -> {
  80             List<String> inputsToRedeclareIds = findInputsToRedeclareIds(inputsById, property);
  81             RedeclareInputData redeclareInputData = new RedeclareInputData(property.getUniqueId(), inputsToRedeclareIds, instanceId, property.getDefaultValue());
  82             redeclareInputDataList.add(redeclareInputData);
  83         });
  84         return redeclareInputDataList;
  85     }
  86
  87     private List<InputDefinition> prepareInputsForRedeclaration(Map<String, InputDefinition> oldInputsById, RedeclareInputData redeclareInputData) {
  88         List<InputDefinition> inputsForRedeclaration = redeclareInputData.declaredInputIds.stream()
  89                                             .filter(oldInputsById::containsKey)
  90                                             .map(oldInputsById::get)
  91                                             .filter(Objects::nonNull)
  92                                             .map(InputDefinition::new)
  93                                             .collect(Collectors.toList());
  94
  95         inputsForRedeclaration.forEach(input -> {
  96             input.setPropertyId(redeclareInputData.propertyId);
  97             input.setInstanceUniqueId(redeclareInputData.propertyOwnerId);
  98
  99             if(!Strings.isNullOrEmpty(redeclareInputData.value)) {
 100                 input.setValue(redeclareInputData.value);
 101                 input.setDefaultValue(redeclareInputData.value);
 102             }
 103         });
 104         return inputsForRedeclaration;
 105     }
 106
 107     private List<String> findInputsToRedeclareIds(Map<String, InputDefinition> inputsById, PropertyDataDefinition property) {
 108         List<GetInputValueDataDefinition> getInputValues = property.getGetInputValues();
 109         return getInputValues.stream()
 110                 .filter(getInputVal -> isGetInputValueHasNoCorrespondingInput(getInputVal, inputsById))
 111                 .map(GetInputValueDataDefinition::getInputId)
 112                 .collect(Collectors.toList());
 113     }
 114
 115     private boolean isGetInputValueHasNoCorrespondingInput(GetInputValueDataDefinition getInputVal, Map<String, InputDefinition> inputsById) {
 116         return !inputsById.containsKey(getInputVal.getInputId());
 117     }
 118
 119     private class RedeclareInputData {
 120         private String propertyId;
 121         private List<String> declaredInputIds;
 122         private String propertyOwnerId;
 123         private String value;
 124
 125         RedeclareInputData(String propertyId, List<String> declaredInputIds, String propertyOwnerId, String value) {
 126             this.propertyId = propertyId;
 127             this.declaredInputIds = declaredInputIds;
 128             this.propertyOwnerId = propertyOwnerId;
 129             this.value = value;
 130         }
 131
 132     }
 133 }