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module RGen
module ECore
# Mixin to provide access to the ECore model describing a Ruby class or module
# built using MetamodelBuilder.
# The module should be used to +extend+ a class or module, i.e. to make its
# methods class methods.
#
module ECoreInterface
# This method will lazily build to ECore model element belonging to the calling
# class or module using RubyToECore.
# Alternatively, the ECore model element can be provided up front. This is used
# when the Ruby metamodel classes and modules are created from ECore.
#
def ecore
if defined?(@ecore)
@ecore
else
unless defined?(@@transformer)
require 'rgen/ecore/ruby_to_ecore'
@@transformer = RubyToECore.new
end
@@transformer.trans(self)
end
end
# This method can be used to clear the ecore cache after the metamodel classes
# or modules have been changed; the ecore model will be recreated on next access
# to the +ecore+ method
# Beware, the ecore cache is global, i.e. for all metamodels.
#
def self.clear_ecore_cache
require 'rgen/ecore/ruby_to_ecore'
@@transformer = RubyToECore.new
end
def _set_ecore_internal(ecore) # :nodoc:
@ecore = ecore
end
end
end
end
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