Method: OperationalEventType.categories

Defined in:
app/models/operational_event_type.rb

.categories ⇒ Object 



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# File 'app/models/operational_event_type.rb', line 23

def self.categories
  find(:all,
    :conditions => 'event_category IS NOT NULL',
    :order => 'event_category ASC',
    :group => :event_category
  ).collect(&:event_category)
end