Class: ActiveNode::Relationship

Inherits:
Object
  • Object
show all
Includes:
Neography::Rest::Helpers
Defined in:
lib/active_node/relationship.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(other, props = {}) ⇒ Relationship

Returns a new instance of Relationship.



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# File 'lib/active_node/relationship.rb', line 8

def initialize other, props={}
  self.other = other
  @hash = props.with_indifferent_access
  @id = @hash.delete(:id).try(&:to_i)
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/active_node/relationship.rb', line 6

def id
  @id
end

#other ⇒ Object

Returns the value of attribute other.



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# File 'lib/active_node/relationship.rb', line 5

def other
  @other
end

Class Method Details

.create!(n, association) ⇒ Object 



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# File 'lib/active_node/relationship.rb', line 34

def self.create!(n, association)
  new(n).save(association)
end

Instance Method Details

#new_record? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_node/relationship.rb', line 17

def new_record?
  !id
end

#save(association) ⇒ Object 



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# File 'lib/active_node/relationship.rb', line 21

def save(association)
  if new_record?
    from=association.owner
    to=other
    if association.reflection.direction == :incoming
      from, to = to, from
    end
    @id = get_id(Neo.db.create_relationship(association.reflection.type, from.id, to.id, @hash)).to_i
  else
    Neo.db.reset_relationship_properties(id, @hash.select { |_, v| v.present? })
  end
end