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Size: 826 Bytes
Versions: 20
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Contents
module Neo4j
module Core
module Traversal
# Implements the Neo4j RelationshipExpander Java interface, only used internally.
# @private
class RelExpander
include Java::OrgNeo4jGraphdb::RelationshipExpander
attr_accessor :reversed
def initialize(&block)
@block = block
@reverse = false
end
def self.create_pair(&block)
normal = RelExpander.new(&block)
reversed = RelExpander.new(&block)
normal.reversed = reversed
reversed.reversed = normal
reversed.reverse!
normal
end
def expand(node)
@block.arity == 1 ? @block.call(node) : @block.call(node, @reverse)
end
def reverse!
@reverse = true
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems