Module: ActiveLdap::Acts::Tree — activeldap - ActiveLdap

Module: ActiveLdap::Acts::Tree

Defined in:
lib/active_ldap/acts/tree.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#ancestors ⇒ Object

Returns list of ancestors, starting from parent until root.

subchild1.ancestors # => [child1, root]



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# File 'lib/active_ldap/acts/tree.rb', line 22

def ancestors
  node, nodes = self, []
  nodes << node = node.parent while node.parent
  nodes
end

#parent ⇒ Object 



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# File 'lib/active_ldap/acts/tree.rb', line 49

def parent
  if base == self.class.base
    nil
  else
    find(:first, :base => base, :scope => :base)
  end
end

#parent=(entry) ⇒ Object 



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# File 'lib/active_ldap/acts/tree.rb', line 57

def parent=(entry)
  if entry.is_a?(String) or entry.is_a?(DN)
    base = entry.to_s
  elsif entry.respond_to?(:dn)
    base = entry.dn.to_s
    if entry.respond_to?(:clear_association_cache)
      entry.clear_association_cache
    end
  else
    message = _("parent must be an entry or parent DN: %s") % entry.inspect
    raise ArgumentError, message
  end

  unless new_entry?
    begin
      self.class.modify_rdn_entry(dn, "#{dn_attribute}=#{id}",
                                  true, base,
                                  :connection => connection)
    rescue NotImplemented
      self.class.delete_entry(dn, :connection => connection)
      @new_entry = true
    end
  end

  self.dn = "#{dn_attribute}=#{id},#{base}"
  save if new_entry?
end

#root ⇒ Object

Returns the root node of the tree.



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# File 'lib/active_ldap/acts/tree.rb', line 29

def root
  node = self
  node = node.parent while node.parent
  node
end

#self_and_siblings ⇒ Object

Returns all siblings and a reference to the current node.

subchild1.self_and_siblings # => [subchild1, subchild2]



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# File 'lib/active_ldap/acts/tree.rb', line 45

def self_and_siblings
  parent ? parent.children : [self]
end

#siblings ⇒ Object

Returns all siblings of the current node.

subchild1.siblings # => [subchild2]



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# File 'lib/active_ldap/acts/tree.rb', line 38

def siblings
  self_and_siblings - [self]
end

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