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Contents
module Neo4j::Aggregate
# This is the group node. When a new aggregate group is created it will be of this type.
# Includes the Enumerable mixin in order to iterator over each node member in the group.
# Overrides [] and []= properties, so that we can access aggregated properties or relationships.
#
# :api: private
class NodeGroup #:nodoc:
include Neo4j::NodeMixin
include Enumerable
property :aggregate_group, :aggregate_size
def self.create(aggregate_group)
new_node = NodeGroup.new
new_node.aggregate_group = aggregate_group.kind_of?(Symbol)? aggregate_group.to_s : aggregate_group
new_node.aggregate_size = 0
new_node
end
def each
rels.outgoing.nodes.each { |n| yield n }
end
# :api: private
def [](key)
value = super(key)
return value unless value.nil?
sub_group = rels.outgoing(key).nodes.first
return sub_group unless sub_group.nil?
# traverse all sub nodes and get their properties
PropertyEnum.new(rels.outgoing.nodes, key)
end
# def []=(key, value)
# super key, value
# self.get_property(key)
# end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems