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Contents
module Neo4j
module Relationships
# Wrapper for org.neo4j.graphdb.TraversalPosition
# See Javadoc for org.neo4j.graphdb.TraversalPosition
# It can be used as a parameter in traversals filter functions.
#
# :api: public
class TraversalPosition
def initialize(traversal_position, raw = false)
@traversal_position = traversal_position
@raw = raw
end
# Return the current node.
def current_node
Neo4j.load_node(@traversal_position.currentNode.getId, @raw)
end
# Returns the previous node, may be nil.
def previous_node
return nil if @traversal_position.previousNode.nil?
Neo4j.load_node(@traversal_position.previousNode.getId, @raw)
end
# Return the last relationship traversed, may be nil.
def last_relationship_traversed
relationship = @traversal_position.lastRelationshipTraversed()
return nil if relationship.nil?
return relationship.wrapper unless @raw
relationship
end
# Returns the current traversal depth.
def depth
@traversal_position.depth
end
# Returns true if the current position is the start node, false otherwise.
def start_node?
@traversal_position.isStartNode
end
# Returns the number of nodes returned by traverser so far.
def returned_nodes_count
@traversal_position.returnedNodesCount
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems