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changelog.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

[Unreleased]

1.0.0 - 2021-12-29

As this is a major update, it's recommended to go through the documentation for both "big picture" and the details.

Breaking change

  • Decision table
    • Allowed input values checks don't throw the exception when the constraint is violated (see the documentation for more details)

Added

  • Definition classes

    • The DMN definition can be created also by code using the builders (DmnDefinitionBuilder)

  • Execution context

    • New method WithInputParameters allowing to set multiple parameters in one call using the dictionary (IReadOnlyCollection<KeyValuePair<string,object>>)
    • Decision execution can be traced/audited using the snapshots
    • When the result comes from the decision table, it also provides the list of rules that had a positive hit. Thanks Noel for contribution.
    • Execution context can be configured using the DmnExecutionContextOptions when calling the factory - set the snapshots on/off, table rules parallel processing, parsed expressions cache
    • Parsed expression cache is now configurable

  • Tests

    • Shared code project with tests - "single test code"
      • Hierarchy of test classes for same test but different source (DMN XML 1.1/1.3 or builders)
      • Projects using the shared code targetting different platforms (.net core 2.1, 3.1, 5; .net framework 4.6.2, 4.7.2)

Changed

  • Definition classes

    • In general, trying to have kind of immutable public interface after constructed
    • DmnVariableDefinition is "hidden" via R/O IDmnVariable. Also the setters are now not public (can be changed via dedicated methods encapsulating the logic)
    • IDmnVariable and IDmnDecision is used as reference to variable/decision definition
    • IReadOnlyCollection is used for required inputs and decision
    • Arrays are used instead of lists for decision table - Inputs, Outpus, Rules, Allowed values

  • Execution context

    • Properties are published as IReadOnlyDictionary instead of IDictionary
    • Parsed expressions cache (static property) is ConcurrentDictionary now
    • DmnExecutionContextFactory class is static now
    • The execution related classes have been better adapted for the support of extended/customized functionality using the inheritance

  • Other

    • DynamicExpresso, NLog packages updated to current versions
    • Solution now primary for VS2019 (was 2017)
    • Updated documentation with more details in some parts

Fixed

  • When cloning the variables (for example from context to result), the ICloneable value is clonned properly
  • DmnExecutionVariable.SetInputParameterValue - type/cast check
  • Issue#8 - ParsedExpressionsCache Corruption when running multiple concurrent evaluations

0.1.2 - 2020-07-18

Added

  • Support for parsing the DMN 1.3 documents (no additional functionality, just XML namespaces adjustments)

0.1.1 - 2019-11-03

Fixed

  • Issue with serializer in full .NET framework as described by @fgollas in PR#1. Proxy classes are used when there are "hidden" model properties without getters. Added the tests running on .NET framework (the v 0.1.0 code has been tested just for .NET core, where this issue not appeared).
  • Some small corrections in read.me

0.1.0 - 2018-12-29

Added

  • Initial release