Package com.activeviam.risk.core.utils

Class PostProcessorUtils

  • public class PostProcessorUtils
extends Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo>
      List<T>      		 addPartitioningLevel​(List<T> levels, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo levelToAdd)  
      static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo>
      Collection<T>      		 addPartitioningLevels​(Collection<T> levels, Collection<T> levelsToAdd)  
      static com.quartetfs.biz.pivot.ILocation ancestorLocation​(com.quartetfs.biz.pivot.ILocation originalLocation, com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo hierarchy)
      Get ancestor location along risk factor hierarchy up to level in original location
      static boolean checkFilter​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level, Object value)  
      static com.quartetfs.biz.pivot.ILocation childLocation​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)  
      static com.quartetfs.biz.pivot.ILocation childLocation​(com.quartetfs.biz.pivot.ILocation location, List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> levels)  
      static com.activeviam.copper.api.CopperHierarchy copperHierarchy​(String level)
      Transforms a legacy hierarchy string into a copper legacy it could be * level@hierarchy@dimension * hierarchy@dimension * hierarchy
      static com.activeviam.copper.api.CopperLevel copperLevel​(String level)
      Transforms a legacy level string : level@hierarchy@dimension into a copper level
      static com.qfs.agg.IAggregationFunction createAggregationFunction​(String type)  
      static Object[] createPath​(com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level, Object member)  
      static <T> Optional<T> dateSearch​(LocalDate startDate, BiFunction<LocalDate,​Boolean,​LocalDate> dateStepper, int maxSteps, Function<LocalDate,​Optional<T>> function)
      Utility method to search through the datastore for the "next" or "previous" date which contains the desired data.
      static com.quartetfs.biz.pivot.ILocation descendentLocation​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)
      Add wildcards down to the descendent level
      static String getBucket​(com.quartetfs.biz.pivot.ILocation location, List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> levels, String bucketDefaultValue)
      Retrieve the bucket by scanning the location level by level on the list order
      static Object[] getCalculationMethod​(org.springframework.core.env.Environment environment, String sensitivityName, String riskClass)
      Return a calculation method found at the key formula.rule.[sensitivityName].[riskClass]
      static Object[] getCalculationMethod​(org.springframework.core.env.Environment environment, String sensitivityKind, String sensitivityName, String riskClass)
      Return the calculation method found in the config file
      static <T,​K>
      T      		 getInCacheOrCompute​(ConcurrentMap<K,​? super Optional<T>> cache, K key, Supplier<T> supplier)
      This function does mainly the same as computeIfAbsent, except that it is not synchronized, so it won't produces dead locks in case of nested calls, and will run faster.
      static <T,​K>
      T      		 getInCacheOrComputeNeverNull​(ConcurrentMap<K,​? super T> cache, K key, Supplier<T> supplier)
      This function does mainly the same as computeIfAbsent, except that it is not synchronized, so it won't produces dead locks in case of nested calls, and will run faster.
      static com.quartetfs.fwk.IPair<Boolean,​double[]> getLadderScale​(com.qfs.store.IDatastoreVersion datastoreVersion, com.quartetfs.biz.pivot.query.IQueryCache queryCache, com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo asOfDateLevelInfo, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo riskClassLevelInfo)
      Retrieves the sensitivity ladder scale and type, based on an as-of date and risk class retrieved from the location, with caching.
      static com.quartetfs.fwk.IPair<Boolean,​double[]> getLadderScale​(com.qfs.store.IDatastoreVersion datastoreVersion, com.quartetfs.biz.pivot.query.IQueryCache queryCache, LocalDate asOfDate, String riskClass)
      Retrieves the sensitivity ladder scale and type depending on as-of date and risk class, with caching.
      static com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo optionalLevelInfo​(com.quartetfs.biz.pivot.IActivePivot pivot, String description)  
      static void reduce​(com.quartetfs.biz.pivot.ILocation location, List<com.quartetfs.biz.pivot.cellset.IAggregatesRetrievalResult> partialResults, com.quartetfs.biz.pivot.cellset.IPostProcessedRetrievalResultWriter writer, com.qfs.agg.IAggregationFunction aggregationFunction)
      IPartitionedPostProcessor.reduce(ILocation, List, IPostProcessedRetrievalResultWriter)
      static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo>
      Collection<T>      		 removePartitioningLevel​(Collection<T> levels, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo levelToRemove)  
      static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo>
      Collection<T>      		 removePartitioningLevels​(Collection<T> levels, Collection<? extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> levelsToRemove)  
      static com.quartetfs.biz.pivot.ILocation setCoordinate​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level, Object value)  
      static com.quartetfs.biz.pivot.ILocation setFilter​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level, Object value)  
      static com.quartetfs.biz.pivot.ILocation setWildCardsToLevel​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)  
      static com.quartetfs.biz.pivot.ILocation shift​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level, Object oldValue, Object newValue)  
      static List<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo> toHierarchyInfo​(com.quartetfs.biz.pivot.IActivePivot pivot, String descriptions)  
      static List<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo> toHierarchyInfo​(com.quartetfs.biz.pivot.IActivePivot pivot, String seperator, String descriptions)  
      static List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfo​(com.quartetfs.biz.pivot.IActivePivot pivot, String descriptions)  
      static List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfo​(com.quartetfs.biz.pivot.IActivePivot pivot, String seperator, String descriptions)  
      static Map<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo,​com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfoByHierarchy​(com.quartetfs.biz.pivot.IActivePivot pivot, String descriptions)  
      static Map<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo,​com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfoByHierarchy​(com.quartetfs.biz.pivot.IActivePivot pivot, String seperator, String descriptions)  
      static Map<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo,​String> toLevelInfoMap​(com.quartetfs.biz.pivot.IActivePivot pivot, String descriptions)  
      static Map<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo,​String> toLevelInfoMap​(com.quartetfs.biz.pivot.IActivePivot pivot, String seperator, String descriptions)  
      static com.quartetfs.biz.pivot.ILocation truncateOrSetWildCardsToLevel​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)  
      static com.quartetfs.biz.pivot.ILocation truncateToLevel​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)  
      static com.quartetfs.biz.pivot.ILocation truncateToLevelZero​(com.quartetfs.biz.pivot.ILocation location, com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo hierarchyInfo)  
      static com.quartetfs.biz.pivot.ILocation truncateToLevelZero​(com.quartetfs.biz.pivot.ILocation location, Collection<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo> hierarchyInfos)  

    • Method Detail

      • optionalLevelInfo

        public static com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo optionalLevelInfo​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                  String description)
                                                                           throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toLevelInfo

        public static List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfo​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                  String descriptions)
                                                                           throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toLevelInfo

        public static List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfo​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                  String seperator,
                                                                                  String descriptions)
                                                                           throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toHierarchyInfo

        public static List<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo> toHierarchyInfo​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                          String descriptions)
                                                                                   throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toHierarchyInfo

        public static List<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo> toHierarchyInfo​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                          String seperator,
                                                                                          String descriptions)
                                                                                   throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toLevelInfoMap

        public static Map<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo,​String> toLevelInfoMap​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                                 String descriptions)
                                                                                          throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toLevelInfoMap

        public static Map<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo,​String> toLevelInfoMap​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                                 String seperator,
                                                                                                 String descriptions)
                                                                                          throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toLevelInfoByHierarchy

        public static Map<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo,​com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfoByHierarchy​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                                                                                        String descriptions)
                                                                                                                                                 throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • toLevelInfoByHierarchy

        public static Map<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo,​com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> toLevelInfoByHierarchy​(com.quartetfs.biz.pivot.IActivePivot pivot,
                                                                                                                                                        String seperator,
                                                                                                                                                        String descriptions)
                                                                                                                                                 throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • createAggregationFunction

        public static com.qfs.agg.IAggregationFunction createAggregationFunction​(String type)
                                                                  throws com.quartetfs.fwk.QuartetException
        Throws:
        com.quartetfs.fwk.QuartetException

      • truncateToLevelZero

        public static com.quartetfs.biz.pivot.ILocation truncateToLevelZero​(com.quartetfs.biz.pivot.ILocation location,
                                                                    Collection<com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo> hierarchyInfos)

      • truncateToLevelZero

        public static com.quartetfs.biz.pivot.ILocation truncateToLevelZero​(com.quartetfs.biz.pivot.ILocation location,
                                                                    com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo hierarchyInfo)

      • truncateOrSetWildCardsToLevel

        public static com.quartetfs.biz.pivot.ILocation truncateOrSetWildCardsToLevel​(com.quartetfs.biz.pivot.ILocation location,
                                                                              com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)

      • setWildCardsToLevel

        public static com.quartetfs.biz.pivot.ILocation setWildCardsToLevel​(com.quartetfs.biz.pivot.ILocation location,
                                                                    com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)

      • truncateToLevel

        public static com.quartetfs.biz.pivot.ILocation truncateToLevel​(com.quartetfs.biz.pivot.ILocation location,
                                                                com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)

      • setCoordinate

        public static com.quartetfs.biz.pivot.ILocation setCoordinate​(com.quartetfs.biz.pivot.ILocation location,
                                                              com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level,
                                                              Object value)

      • setFilter

        public static com.quartetfs.biz.pivot.ILocation setFilter​(com.quartetfs.biz.pivot.ILocation location,
                                                          com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level,
                                                          Object value)

      • shift

        public static com.quartetfs.biz.pivot.ILocation shift​(com.quartetfs.biz.pivot.ILocation location,
                                                      com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level,
                                                      Object oldValue,
                                                      Object newValue)

      • checkFilter

        public static boolean checkFilter​(com.quartetfs.biz.pivot.ILocation location,
                                  com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level,
                                  Object value)

      • childLocation

        public static com.quartetfs.biz.pivot.ILocation childLocation​(com.quartetfs.biz.pivot.ILocation location,
                                                              List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> levels)

      • childLocation

        public static com.quartetfs.biz.pivot.ILocation childLocation​(com.quartetfs.biz.pivot.ILocation location,
                                                              com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)

      • descendentLocation

        public static com.quartetfs.biz.pivot.ILocation descendentLocation​(com.quartetfs.biz.pivot.ILocation location,
                                                                   com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level)
        Add wildcards down to the descendent level
        Parameters:
        location - location
        level - level
        Returns:
        ILocation

      • createPath

        public static Object[] createPath​(com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo level,
                                  Object member)

      • ancestorLocation

        public static com.quartetfs.biz.pivot.ILocation ancestorLocation​(com.quartetfs.biz.pivot.ILocation originalLocation,
                                                                 com.quartetfs.biz.pivot.ILocation location,
                                                                 com.quartetfs.biz.pivot.cube.hierarchy.IHierarchyInfo hierarchy)
        Get ancestor location along risk factor hierarchy up to level in original location
        Parameters:
        originalLocation - originalLocation
        location - location
        hierarchy - hierarchy
        Returns:
        ILocation

      • addPartitioningLevel

        public static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> List<T> addPartitioningLevel​(List<T> levels,
                                                                                                         com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo levelToAdd)

      • addPartitioningLevels

        public static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> Collection<T> addPartitioningLevels​(Collection<T> levels,
                                                                                                                Collection<T> levelsToAdd)

      • removePartitioningLevel

        public static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> Collection<T> removePartitioningLevel​(Collection<T> levels,
                                                                                                                  com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo levelToRemove)

      • removePartitioningLevels

        public static <T extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> Collection<T> removePartitioningLevels​(Collection<T> levels,
                                                                                                                   Collection<? extends com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> levelsToRemove)

      • reduce

        public static void reduce​(com.quartetfs.biz.pivot.ILocation location,
                          List<com.quartetfs.biz.pivot.cellset.IAggregatesRetrievalResult> partialResults,
                          com.quartetfs.biz.pivot.cellset.IPostProcessedRetrievalResultWriter writer,
                          com.qfs.agg.IAggregationFunction aggregationFunction)
        IPartitionedPostProcessor.reduce(ILocation, List, IPostProcessedRetrievalResultWriter)
        Parameters:
        location - The location on which this post-processor is being executed
        partialResults - The results of the execution of this post-processor on each partition
        writer - The writer to contribute to
        aggregationFunction - The aggregation function to use

      • getInCacheOrCompute

        public static <T,​K> T getInCacheOrCompute​(ConcurrentMap<K,​? super Optional<T>> cache,
                                                K key,
                                                Supplier<T> supplier)
        This function does mainly the same as computeIfAbsent, except that it is not synchronized, so it won't produces dead locks in case of nested calls, and will run faster. The supplier may be called even if the key is present in case of close concurrency See https://bugs.openjdk.java.net/browse/JDK-8161372
        Type Parameters:
        T - The type of the cached object
        K - The type of the key
        Parameters:
        cache - The used cache mainly returned by getQueryCache()
        key - The key in the cache
        supplier - The function that produces the return value
        Returns:
        The result of supplier

      • getInCacheOrComputeNeverNull

        public static <T,​K> T getInCacheOrComputeNeverNull​(ConcurrentMap<K,​? super T> cache,
                                                         K key,
                                                         Supplier<T> supplier)
        This function does mainly the same as computeIfAbsent, except that it is not synchronized, so it won't produces dead locks in case of nested calls, and will run faster. The supplier may be called even if the key is present in case of close concurrency See https://bugs.openjdk.java.net/browse/JDK-8161372
        Type Parameters:
        T - The type of the cached object
        K - The type of the key
        Parameters:
        cache - The used cache mainly returned by getQueryCache()
        key - The key in the cache
        supplier - The function that produces the return value
        Returns:
        The result of supplier

      • getBucket

        public static String getBucket​(com.quartetfs.biz.pivot.ILocation location,
                               List<com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo> levels,
                               String bucketDefaultValue)
        Retrieve the bucket by scanning the location level by level on the list order
        Parameters:
        location - The input location
        levels - The list of levels to look for
        bucketDefaultValue - The default value of the bucket
        Returns:
        The retrieved bucket

      • copperLevel

        public static com.activeviam.copper.api.CopperLevel copperLevel​(String level)
        Transforms a legacy level string : level@hierarchy@dimension into a copper level
        Parameters:
        level - The legacy level string
        Returns:
        the corresponding level string

      • copperHierarchy

        public static com.activeviam.copper.api.CopperHierarchy copperHierarchy​(String level)
        Transforms a legacy hierarchy string into a copper legacy it could be * level@hierarchy@dimension * hierarchy@dimension * hierarchy
        Parameters:
        level - the hierarchy string
        Returns:
        the corresponding hierarchy

      • getLadderScale

        public static com.quartetfs.fwk.IPair<Boolean,​double[]> getLadderScale​(com.qfs.store.IDatastoreVersion datastoreVersion,
                                                                             com.quartetfs.biz.pivot.query.IQueryCache queryCache,
                                                                             com.quartetfs.biz.pivot.ILocation location,
                                                                             com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo asOfDateLevelInfo,
                                                                             com.quartetfs.biz.pivot.cube.hierarchy.ILevelInfo riskClassLevelInfo)
        Retrieves the sensitivity ladder scale and type, based on an as-of date and risk class retrieved from the location, with caching.
        Parameters:
        datastoreVersion - The datastore version object.
        queryCache - The query cache.
        location - The cube location.
        asOfDateLevelInfo - The as-of date level info.
        riskClassLevelInfo - The risk class level info.
        Returns:
        The sensitivity ladder scale and type.

      • getLadderScale

        public static com.quartetfs.fwk.IPair<Boolean,​double[]> getLadderScale​(com.qfs.store.IDatastoreVersion datastoreVersion,
                                                                             com.quartetfs.biz.pivot.query.IQueryCache queryCache,
                                                                             LocalDate asOfDate,
                                                                             String riskClass)
        Retrieves the sensitivity ladder scale and type depending on as-of date and risk class, with caching.
        Parameters:
        datastoreVersion - The datastore version object.
        queryCache - The query cache.
        asOfDate - The as-of date.
        riskClass - The risk class.
        Returns:
        The sensitivity ladder scale and type.

      • dateSearch

        public static <T> Optional<T> dateSearch​(LocalDate startDate,
                                         BiFunction<LocalDate,​Boolean,​LocalDate> dateStepper,
                                         int maxSteps,
                                         Function<LocalDate,​Optional<T>> function)
        Utility method to search through the datastore for the "next" or "previous" date which contains the desired data.
        Type Parameters:
        T - The type of the data record returned
        Parameters:
        startDate - The initial as-of date; the next/previous date will be relative to this.
        dateStepper - A function to step through the candidate dates. Given a date, it will return the next/previous date; the boolean parameter is true for the first step. For example see @see com.activeviam.risk.core.utils.MarketDataDates#stepDate(IActivePivot, IQueryCache, String, String, LocalDate, boolean))}.
        maxSteps - The maximum number of iterations to step through date
        function - Evaluation function, this returns the desired data, if available for the input date. For example a closure of see @see com.activeviam.risk.core.postprocessor.impl.AMarketDataPostProcessor#getMarketDataRecord(LocalDate, IMarketDataSet, String)} (with the market data set and risk factor provided).
        Returns:
        The desired data, if found within maxSteps iterations.

      • getCalculationMethod

        public static Object[] getCalculationMethod​(org.springframework.core.env.Environment environment,
                                            String sensitivityName,
                                            String riskClass)
        Return a calculation method found at the key formula.rule.[sensitivityName].[riskClass]
        Parameters:
        environment - spring environment
        sensitivityName - The name or the kind of the sensi : inflation / ir-gamma / ... or delta / vega / gamma / ...
        riskClass - The risk class of the sensi : FX / GIRR / ... or *
        Returns:
        An object describing the formula

      • getCalculationMethod

        public static Object[] getCalculationMethod​(org.springframework.core.env.Environment environment,
                                            String sensitivityKind,
                                            String sensitivityName,
                                            String riskClass)
        Return the calculation method found in the config file
        Parameters:
        environment - Spring environment
        sensitivityKind - The king of the sensi : delta / vega / gamma / ...
        sensitivityName - The name of the sensi : inflation / ir-gamma / ...
        riskClass - The risk class of the sensi : FX / GIRR / ...
        Returns:
        An object describing the formula