Class: ActiveFedora::Merged

Inherits:
AssociationHash show all
Defined in:
lib/active_fedora/association_hash.rb

Overview

Note:

As the keys can come from multiple models, the attributes become

Represents the result of merging two association hashes. unwritable.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from AssociationHash

#association, #changed, #each, #each_value, #empty?, #freeze, #has_key?, #key?, #merge, #reflections, #select, #size, #values

Constructor Details

#initialize(first, second) ⇒ Merged

Returns a new instance of Merged.



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# File 'lib/active_fedora/association_hash.rb', line 100

def initialize(first, second)
  @first = first
  @second = second
end

Instance Attribute Details

#first ⇒ Object (readonly)

Returns the value of attribute first.



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# File 'lib/active_fedora/association_hash.rb', line 98

def first
  @first
end

#second ⇒ Object (readonly)

Returns the value of attribute second.



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# File 'lib/active_fedora/association_hash.rb', line 98

def second
  @second
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/active_fedora/association_hash.rb', line 105

def [] (name)
  first[name] || second[name]
end

#[]=(name) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/active_fedora/association_hash.rb', line 109

def []= (name)
  raise NotImplementedError, "Unable to set properties on a merged association hash."
end

#keys ⇒ Object 



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# File 'lib/active_fedora/association_hash.rb', line 113

def keys
  first.keys + second.keys
end