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class Architecture < ActiveRecord::Base
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has_many :hosts
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has_and_belongs_to_many :operatingsystems
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validates_uniqueness_of :name
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before_destroy Ensure_not_used_by.new(:hosts)
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validates_format_of :name, :with => /\A(\S+)\Z/, :message => "can't be blank or contain white spaces."
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acts_as_audited
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alias_attribute :to_s, :name
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alias_attribute :to_label, :name
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def self.per_page
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25
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end
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end
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