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minor fixes in the composed_of doc

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This commit is contained in:
Vijay Dev 2011-10-22 23:53:52 +05:30
parent f0a9411ede
commit 1c1c3fc2c0
1 changed files with 4 additions and 3 deletions
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7
activerecord/lib/active_record/aggregations.rb
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@ -172,8 +172,8 @@ module ActiveRecord
# with this option.
# * <tt>:mapping</tt> - Specifies the mapping of entity attributes to attributes of the value
# object. Each mapping is represented as an array where the first item is the name of the
# entity attribute and the second item is the name the attribute in the value object. The
# order in which mappings are defined determine the order in which attributes are sent to the
# entity attribute and the second item is the name of the attribute in the value object. The
# order in which mappings are defined determines the order in which attributes are sent to the
# value class constructor.
# * <tt>:allow_nil</tt> - Specifies that the value object will not be instantiated when all mapped
# attributes are +nil+. Setting the value object to +nil+ has the effect of writing +nil+ to all
@ -191,7 +191,8 @@ module ActiveRecord
#
# Option examples:
# composed_of :temperature, :mapping => %w(reading celsius)
# composed_of :balance, :class_name => "Money", :mapping => %w(balance amount), :converter => Proc.new { |balance| balance.to_money }
# composed_of :balance, :class_name => "Money", :mapping => %w(balance amount),
# :converter => Proc.new { |balance| balance.to_money }
# composed_of :address, :mapping => [ %w(address_street street), %w(address_city city) ]
# composed_of :gps_location
# composed_of :gps_location, :allow_nil => true