0.1.0 (August 3rd, 2006)

• First public release

0.2.0 (September 3rd, 2006)

• Added model transformation language (Transformer)

• Now RGen is distributed as a gem

• More complete documentation

0.3.0 (October 9th, 2006)

• Improved XML Instantiator (Namespaces, Resolver, Customization)

• Added many_to_one builder method

• Added attribute reflection to MMBase (one_attributes, many_attributes)

• Added copy method to Transformer

• Added simple model dumper module

• Fixed mmgen/mmgen.rb

0.4.0 (Aug 8th, 2007)

• Added ECore metamodel and use it as the core metametamodel

• Revised and extended MetamodelBuilder language

• There is an ECore instance describing each metamodel built using MetamodelBuilder now

• Metamodel generator is now ECore based

• Added Ruby implementation of Boolean and Enum types

• Switched XML Instantiator to xmlscan for performance reasons

• Cleaned up instantiator file structure

• Renamed RGen::XMLInstantiator into RGen::Instantiator::DefaultXMLInstantiator

• Included xmlscan as a redistributed module

• Added support for chardata within XML tags

• Added (Enterprise Architect) XMI to ECore instantiator

• Some minor fixes in NameHelper

• Some fixes to template language

• Added UML1.3 Metamodel

• Added tranformation from UML1.3 to ECore

0.4.1 (Nov 25th, 2007)

• Template language performance improvement

• Bugfix: use true/false instead of symbols for boolean attribute default values in metamodel classes

• Minor fixes on metamodel generator and ecore primitive type handling

• Made transformer implementation non-recursive to prevent "stack level too deep" exception for large models

• Minor fixes on EAInstantiator

• Made transformer search for matching rules for superclasses

• Bugfix: Enums are now added to EPackages created using the "ecore" method on a module

• Bugfix: Metamodel generator now writes enum names

• Performance improvement: don't require ecore transformer every time someone calls "ecore"

• Major performance improvement of template engine (no Regexps to check n at end of line)

• Major performance improvement: AbstractXMLInstantiator optionally controls the garbage collector

• Major performance improvement: ERB templates are reused in metamodel_builder

• Added delete method to Environment

0.4.2 (Mar 2nd, 2008)

• Performance improvement: collection feature of array extension uses hashes now to speed up array union

• Performance improvement: find on environment hashes elements by class

• Extended Transformer to allow sharing of result maps between several Transformer instances

• Bugfix: User defined upper bound values are no longer overwritten by -1 in all "many" metamodel builder methods

0.4.3 (Aug 12th, 2008)

• Performance improvement: significant speed up of metamodel reverse registration

• Bugfix: Use object identity for metamodel to-many add/remove methods

• Bugfix: If expand's :for expression evaluates to nil an error is generated (silently used current context before)

• Template language indentation string can be set on DirectoryTemplateContainer and with the "file" command

0.4.4 (Sep 10th, 2008)

• Added "abstract" metamodel DSL command

• Added ecore_ext.rb with convenience methods

• Added XMI1.1 serializer, revised XMLSerializer super class

0.4.5 (Nov 17th, 2008)

• Updated XMI1.1 serializer to support explicit placement of elements on content level of the XMI file

0.4.6 (Mar 1st, 2009)

• Bugfix: expand :foreach silently assumed current context if :foreach evalutated to nil

• Bugfix: fixed unit test for non-Windows plattforms (rn)

• Bugfix: depending on the Ruby version and/or platform constants used in templates could not be resolved

• Added automatic line ending detection (n or rn) for template language nl command

0.5.0 (Jun 8th, 2009)

• Added ModelBuilder and ModelSerializer

• Added template language "define_local" command

• Added template language "evaluate" command

• Fixed template language bug: indentation problem when expand continues a non-empty line

• Fixed template language bug: template content expands several times when a template container is called recursively

• Fixed template language bug: template resolution problem if a template file has the same name as a template directory

• Cleaned up EA support

• Added method to clear ecore metamodel reflection cache

• Improved overriding of metamodel features in reopened classes

0.5.1 (Nov 10th, 2009)

• Fixed metamodel builder bug: _register at one-side did not unregister from the element referenced by the old value

• Added helper class for building simple model comparators

0.5.2 (Jun 13th, 2010)

• Added has_many_attr to metamodel builder, support for "many" attributes

• Added JSON support (json instantiator and serializer)

• Added QualifiedNameResolver instantiation helper

• Added reference proxy support

• Added more generic access methods on metaclasses

• Added ReferenceResolver resolver mixin

• Fixed ecore xml instantiator and serializer to handle references to builtin datatypes correctly

• Fixed bug in ecore xml serializer to not output references which are opposites of containment references

0.5.3 (Aug 13th, 2010)

• Fixed string escaping in JSON instantiator and serializer

• Fixed order of eClassifiers and eSubpackages within an EPackage created by reflection on a RGen module

0.5.4

• Fixed undeterministic order of child elements in ModelSerializer

• Fixed undeterministic order of attributes in XMI serializers

• Fixed ModelSerializer to always serialize the to-one part of bidirectional 1:N references

• Fixed ModelSerializer to add :as => in case of ambiguous child roles

• Made JsonInstantiator search subpackages for unqualified class names

0.6.0

• Added exception when trying to instantiate abstract class

• Replaced xmlscan by dependency to nokogiri

• Made RGen work with Ruby 1.9

• Cleaned up intermediate attribute and reference description, improvement of metamodel load time

• Added optional data property for MMProxy

• Added ECoreToRuby which can create Ruby classes and modules from ECore models in memory (without metamodel generator)

• Refactored out QualifiedNameProvider and OppositeReferenceFilter

• Added model fragment/fragmented models support

• Extended Instantiator::ReferenceResolver and changed it into a class

• Moved utilities into util folder/module

• Added FileCacheMap

• Fixed template language bug: indenting not correct after callback into same template container and iinc/idec

• Added support for fragmented models

• Added FileChangeDetector utility

• Added CachedGlob utility

• Added index parameter to model element add methods

• Added MMGeneric

• Modified has_many_attr to allow the same value in the same attribute multiple times

• Made Environment#delete faster on large models

• Added type check of ecore defaultValueLiteral content in MetamodelBuilder

• Many-feature setters can work with an Enumerable instead of an Array

• Added pattern matcher utility

• Fixed problem of Ruby hanging when exceptions occur

• Fixed metamodel generator to quote illegal enum literal symbols

• Imporved UML to ECore transformer and EA support

0.6.1

• Fixed metamodel builder to not overwrite a model element's 'class' method

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