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# This models the partition tables for a disk layouts
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# It supports both static partition maps and dynamic scripts that create partition tables on-the-fly
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# A host object may contain a reference to one of these ptables or, alternatively, it may contain a
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# modified version of one of these in textual form
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class Ptable < ActiveRecord::Base
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include Authorization
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has_many :hosts
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has_and_belongs_to_many :operatingsystems
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before_destroy EnsureNotUsedBy.new(:hosts)
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validates_uniqueness_of :name
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validates_presence_of :layout
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validates_format_of :name, :with => /\A(\S+\s?)+\Z/, :message => "can't be blank or contain trailing white spaces."
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default_scope :order => 'LOWER(ptables.name)'
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scoped_search :on => :name, :complete_value => true, :default_order => true
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scoped_search :on => :layout, :complete_value => false
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scoped_search :on => :os_family, :rename => "family", :complete_value => :true
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def as_json(options={})
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options ||= {}
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super({:only => [:name, :id]}.merge(options))
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end
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end
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