Class: ActiveFacts::API::RoleValues

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/activefacts/api/role_values.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RoleValues

begin



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# File 'lib/activefacts/api/role_values.rb', line 18

def initialize
  @a = []
end

Instance Method Details

#+(a) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 36

def +(a)
  @a.+(a.is_a?(RoleValues) ? Array(a) : a)
end

#-(a) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 40

def -(a)
  @a - a
end

#each(&b) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 22

def each &b
  # REVISIT: Provide a configuration variable to enable this heckling during testing:
  #@a.sort_by{rand}.each &b
  @a.each &b
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/activefacts/api/role_values.rb', line 32

def empty?
  @a.size == 0
end

#single ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 44

def single
  @a.size > 1 ? nil : @a[0]
end

#size ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 28

def size
  @a.size
end

#update(old, value) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 48

def update(old, value)
  @a.delete(old) if old
  @a << value if value
  raise "Adding RoleProxy to RoleValues collection" if value && RoleProxy === value
end

#verbalise ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 54

def verbalise
  "["+@a.to_a.map{|e| e.verbalise}*", "+"]"
end