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# File 'lib/activefacts/vocabulary/extensions.rb', line 1022
def verbalise(context = nil)
return "#{object_type.name} #{value}" if object_type.is_a?(ValueType)
return "#{object_type.name} where #{fact.verbalise(context)}" if object_type.fact_type
pi = object_type.preferred_identifier
identifying_role_refs = pi.role_sequence.all_role_ref_in_order
"#{object_type.name}" +
" is identified by " + if identifying_role_refs.size == 1 &&
(role = identifying_role_refs[0].role) &&
(my_role = (role.fact_type.all_role.to_a-[role])[0]) &&
(identifying_fact = my_role.all_role_value.detect{|rv| rv.instance == self}.fact) &&
(identifying_instance = identifying_fact.all_role_value.detect{|rv| rv.role == role}.instance)
"its #{identifying_instance.verbalise(context)}"
else
identifying_role_refs.map do |rr|
rr = rr.preferred_reference
[ (l = rr.leading_adjective) ? l+"-" : nil,
rr.role.role_name || rr.role.object_type.name,
(t = rr.trailing_adjective) ? l+"-" : nil
].compact*""
end * " and " +
" where " +
identifying_role_refs.map do |rr| instance_role = object_type.all_role.detect{|r| r.fact_type == rr.role.fact_type}
identifying_fact = all_role_value.detect{|rv| rv.fact.fact_type == rr.role.fact_type}.fact
identifying_fact.verbalise(context)
end*", "
end
end
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