Class: ActiveFedora::Aggregation::ProxyOwner

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/active_fedora/aggregation/proxy_owner.rb

Overview

Decorates a proxy owner such that it knows how to delete a proxy from its ordered list.

Instance Method Summary collapse

Instance Method Details

#delete_proxy!(proxy) ⇒ Object

Parameters:

  • proxy (#next, #prev) —

    A Proxy link to delete.



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# File 'lib/active_fedora/aggregation/proxy_owner.rb', line 11

def delete_proxy!(proxy)
  if proxy == head || head.nil? # Head is nil if proxy is now deleted.
    self.head = proxy.next
  end
  if proxy == tail || tail.nil? # Head is nil if proxy is now deleted.
    self.tail = proxy.prev
  end
  [head, tail].uniq.compact.each(&:reload)
  if changed?
    save!
  end
end

#is_a?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_fedora/aggregation/proxy_owner.rb', line 6

def is_a?(klass)
  __getobj__.is_a?(klass)
end