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Contents
module Neo4j
module Rails
module Relationships
# TODO, reuse for incoming relationships ?
class OutgoingRelationship
include Enumerable
def initialize(from_node, mapper)
@from_node = from_node
@mapper = mapper
end
def <<(other)
@mapper.create_relationship_to(@from_node, other)
end
def each(&block)
# TODO Direction
@mapper.each &block
end
end
def write_changed_relationships
@relationships.each_value do |mapper|
mapper.persist
end
end
def valid_relationships?
!@relationships.values.find {|mapper| !mapper.valid?}
end
def _decl_rels_for(type)
dsl = super
if false && persisted?
dsl
else
@relationships[type] ||= Mapper.new(type, dsl)
end
end
def clear_relationships
@relationships = {}
end
def outgoing(rel_type)
if persisted?
super
else
@relationships[rel_type] ||= Mapper.new(rel_type)
OutgoingRelationship.new(self, @relationships[rel_type])
end
end
end
end
end
Version data entries
3 entries across 3 versions & 1 rubygems