class ActiveFacts::Metamodel::SurrogateKey
Public Instance Methods
comment()
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# File lib/activefacts/metamodel/extensions.rb, line 2291 def comment if parent && (c = parent.comment) != '' return c end if fkf = all_foreign_key_field.single return fkf.foreign_key.composite.mapping.name + ' surrogate key' end (parent ? parent.name + ' ' : '') + 'surrogate key' end
inspect()
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# File lib/activefacts/metamodel/extensions.rb, line 2301 def inspect "#{self.class.basename} (#{rank_kind})#{parent ? " in #{parent.name}" :''} of #{name && name != '' ? name : '<anonymous>'}" end
is_auto_assigned()
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# File lib/activefacts/metamodel/extensions.rb, line 2284 def is_auto_assigned # It's auto-assigned if it's in its root's primary_index and is not a foreign key field root and (root.primary_index.all_index_field.detect{|ixf| ixf.component == self}) and (!all_foreign_key_field.detect{|fkf| fkf.foreign_key.source_composite == self.root}) end
is_identifying()
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# File lib/activefacts/metamodel/extensions.rb, line 2277 def is_identifying if pk = root.primary_index return pk.all_index_field.detect{|ixf| ixf.component == self} end !parent.parent end
show_trace()
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# File lib/activefacts/metamodel/extensions.rb, line 2305 def show_trace trace :composition, "#{ordinal ? "#{ordinal}: " : ''}#{inspect}" end