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Contents
module Neo4j
# Makes Neo4j Relationships more or less act like ActiveRecord objects.
# See documentation at https://github.com/neo4jrb/neo4j/wiki/Neo4j%3A%3AActiveRel
module ActiveRel
extend ActiveSupport::Concern
include Neo4j::Shared
include Neo4j::ActiveRel::Initialize
include Neo4j::Shared::Identity
include Neo4j::Shared::SerializedProperties
include Neo4j::ActiveRel::Property
include Neo4j::ActiveRel::Persistence
include Neo4j::ActiveRel::Validations
include Neo4j::ActiveRel::Callbacks
include Neo4j::ActiveRel::Query
include Neo4j::ActiveRel::Types
class FrozenRelError < StandardError; end
def initialize(*args)
load_nodes
super
end
def inspect
attribute_pairs = attributes.sort.map { |key, value| "#{key}: #{value.inspect}" }
attribute_descriptions = attribute_pairs.join(', ')
separator = ' ' unless attribute_descriptions.empty?
cypher_representation = "#{node_cypher_representation(from_node)}-[:#{type}]->#{node_cypher_representation(to_node)}"
"#<#{self.class.name} #{cypher_representation}#{separator}#{attribute_descriptions}>"
end
def node_cypher_representation(node)
node_class = node.class
id_name = node_class.id_property_name
labels = ':' + node_class.mapped_label_names.join(':')
"(#{labels} {#{id_name}: #{node.id.inspect}})"
end
def neo4j_obj
_persisted_obj || fail('Tried to access native neo4j object on a non persisted object')
end
included do
include Neo4j::Timestamps if Neo4j::Config[:record_timestamps]
def self.inherited(other)
super
end
end
ActiveSupport.run_load_hooks(:active_rel, self)
end
end
Version data entries
20 entries across 20 versions & 1 rubygems