catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/input/DeclaredInputsResolver.java

   1 package org.openecomp.sdc.be.components.merge.input;
   2
   3
   4 import org.openecomp.sdc.be.dao.utils.MapUtil;
   5 import org.openecomp.sdc.be.datatypes.elements.GetInputValueDataDefinition;
   6 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
   7 import org.openecomp.sdc.be.model.Component;
   8 import org.openecomp.sdc.be.model.InputDefinition;
   9
  10 import com.google.common.base.Strings;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.stream.Collectors;
  16
  17 import static org.openecomp.sdc.be.utils.PropertyDefinitionUtils.resolveGetInputProperties;
  18
  19 @org.springframework.stereotype.Component
  20 public class DeclaredInputsResolver {
  21     /**
  22      * @param oldComponent the old state of {@link Component} that is being updated
  23      * @param newComponent the new state of {@link Component} that is being updated
  24      * @param properties a list of properties
  25      * @return a list of all inputs that were previously declared and need to be merged to the updating component
  26      * 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
  27      */
  28     List<InputDefinition> getPreviouslyDeclaredInputsToMerge(Component oldComponent, Component newComponent, Map<String, List<PropertyDataDefinition>> properties) {
  29         List<InputDefinition> oldInputs = oldComponent.safeGetInputs();
  30         return getPreviouslyDeclaredInputsToMerge(oldInputs, newComponent, properties);
  31     }
  32
  33     public List<InputDefinition> getPreviouslyDeclaredInputsToMerge(List<InputDefinition> oldInputs, Component newComponent, Map<String, List<PropertyDataDefinition>> properties) {
  34         Map<String, List<PropertyDataDefinition>> getInputProperties = resolveGetInputProperties(properties);
  35         List<RedeclareInputData> inputsToRedeclareData = buildRedeclareInputData(newComponent, getInputProperties);
  36         return findPrevDeclaredInputs(oldInputs, inputsToRedeclareData);
  37     }
  38
  39     private List<RedeclareInputData> buildRedeclareInputData(Component newComponent, Map<String, List<PropertyDataDefinition>> getInputProperties) {
  40         Map<String, InputDefinition> inputsById = MapUtil.toMap(newComponent.getInputs(), InputDefinition::getUniqueId);
  41         List<RedeclareInputData> redeclareInputData = new ArrayList<>();
  42         getInputProperties.forEach((instanceId, getInputProps) -> redeclareInputData.addAll(findInputsToRedeclare(inputsById, instanceId, getInputProps)));
  43         return redeclareInputData;
  44
  45     }
  46
  47     private List<InputDefinition> findPrevDeclaredInputs(List<InputDefinition> oldInputs, List<RedeclareInputData> inputsToRedeclareData) {
  48         Map<String, InputDefinition> oldInputsById = MapUtil.toMap(oldInputs, InputDefinition::getUniqueId);
  49         List<InputDefinition> inputsToRedeclare = new ArrayList<>();
  50         inputsToRedeclareData.forEach(redeclareInputData -> {
  51             List<InputDefinition> inputDefinitions = prepareInputsForRedeclaration(oldInputsById, redeclareInputData);
  52             inputsToRedeclare.addAll(inputDefinitions);
  53         });
  54         return inputsToRedeclare;
  55     }
  56
  57     private List<RedeclareInputData> findInputsToRedeclare(Map<String, InputDefinition> inputsById, String instanceId, List<PropertyDataDefinition> getInputProps) {
  58         List<RedeclareInputData> redeclareInputDataList = new ArrayList<>();
  59         getInputProps.forEach(property -> {
  60             List<String> inputsToRedeclareIds = findInputsToRedeclareIds(inputsById, property);
  61             RedeclareInputData redeclareInputData = new RedeclareInputData(property.getUniqueId(), inputsToRedeclareIds, instanceId, property.getDefaultValue());
  62             redeclareInputDataList.add(redeclareInputData);
  63         });
  64         return redeclareInputDataList;
  65     }
  66
  67     private List<InputDefinition> prepareInputsForRedeclaration(Map<String, InputDefinition> oldInputsById, RedeclareInputData redeclareInputData) {
  68         List<InputDefinition> inputsForRedeclaration = redeclareInputData.declaredInputIds.stream()
  69                                             .map(oldInputsById::get)
  70                                             .map(InputDefinition::new)
  71                                             .collect(Collectors.toList());
  72
  73         inputsForRedeclaration.forEach(input -> {
  74             input.setPropertyId(redeclareInputData.propertyId);
  75             input.setInstanceUniqueId(redeclareInputData.propertyOwnerId);
  76
  77             if(!Strings.isNullOrEmpty(redeclareInputData.value)) {
  78                 input.setValue(redeclareInputData.value);
  79                 input.setDefaultValue(redeclareInputData.value);
  80             }
  81         });
  82         return inputsForRedeclaration;
  83     }
  84
  85     private List<String> findInputsToRedeclareIds(Map<String, InputDefinition> inputsById, PropertyDataDefinition property) {
  86         List<GetInputValueDataDefinition> getInputValues = property.getGetInputValues();
  87         return getInputValues.stream()
  88                 .filter(getInputVal -> isGetInputValueHasNoCorrespondingInput(getInputVal, inputsById))
  89                 .map(GetInputValueDataDefinition::getInputId)
  90                 .collect(Collectors.toList());
  91     }
  92
  93     private boolean isGetInputValueHasNoCorrespondingInput(GetInputValueDataDefinition getInputVal, Map<String, InputDefinition> inputsById) {
  94         return !inputsById.containsKey(getInputVal.getInputId());
  95     }
  96
  97     private class RedeclareInputData {
  98         private String propertyId;
  99         private List<String> declaredInputIds;
 100         private String propertyOwnerId;
 101         private String value;
 102
 103         RedeclareInputData(String propertyId, List<String> declaredInputIds, String propertyOwnerId, String value) {
 104             this.propertyId = propertyId;
 105             this.declaredInputIds = declaredInputIds;
 106             this.propertyOwnerId = propertyOwnerId;
 107             this.value = value;
 108         }
 109
 110     }
 111 }