Overview

Atoti Common Library provides a library for Business Solutions to share common code.

How to use Atoti Common Library

Import the shared library into your POM file as follows:

<dependencies>
    <dependency>
        <groupId>com.activeviam.apps</groupId>
        <artifactId>shared</artifactId>
        <version>${compatible.lib.version}</version>
    </dependency>
</dependencies

What’s included

Feature groups

Feature	Description	Notes
Bean services for post-processors	External Spring bean resources to achieve specific client-customizable services in the Business Solutions.
Cube builder	Classes to override to set up data and query cubes.
Date Conversion	Several services for converting a pillar value into a duration.
DirectQuery	Designed to connect the Atoti Server implementation to an external database as a data repository.
Functional Interfaces	List of functional interfaces used to define lambdas.
FX Rate	Service that provides a currency conversion between any given currencies by direct, reverse or defined-pivot currency conversion.
Hierarchies	Utilities provided for setting up the hierarchies.
Caching tools	Several tools and implementations used for caching (query cache, partitioned cache, and epoch cache).
Sign-Off	The configuration to activate the sign-off analysis hierarchy and sign-off adjustments.

Packages

Package	Description	Notes
Comparators	Additional comparators mainly used for level ordering.
Context	Commonly used context values, their interfaces, implementations and corresponding translators.	The included list of context values are, VaR, ES, ReferenceCurrency
Custom analysis hierarchies
Post-processor	Contains commonly used post-processors.	Examples are VaR, ES etc.
Services	The Market Data Retrieval service.
[Signoff]	Contains the configuration to activate sign-off analysis hierarchy and sign-off adjustments	The Spring configuration for a cube is SignOffAnalysisConfig, the adjustable measures also need to be configured.
Spring	All the tools (bean filters and Spring parameters) needed for the Spring configuration.
TailMeasure	A pluggable interface to calculate the tail portion of a PnL vector. Typically used in VaR and ES and can be customized by overriding a Spring bean.	Relevant class is TailMeasureCalc
Utils	Contains helper methods to access cube information.	The relevant class is PostProcessorUtils
Vector	Read-only sparse vectors.