Sha256: b2845a03011094f6f1fad91baeecb102378d70997ff4b0a14473793ce288a58a
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Size: 1009 Bytes
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Contents
module Neo4j
module Core
module Traversal
# Implements the Neo4j Predicate Java interface, only used internally.
# @private
class FilterPredicate
include Java::OrgNeo4jGraphdbTraversal::PathEvaluator
def initialize
@procs = []
end
def add(proc)
@procs << proc
end
# for the state parameter see - http://api.neo4j.org/1.8.1/org/neo4j/graphdb/traversal/BranchState.html
def evaluate(path, state)
if path.length == 0
return Java::OrgNeo4jGraphdbTraversal::Evaluation::EXCLUDE_AND_CONTINUE
end
# find the first filter which returns false
# if not found then we will accept this path
if @procs.find { |p| !p.call(path) }.nil?
Java::OrgNeo4jGraphdbTraversal::Evaluation::INCLUDE_AND_CONTINUE
else
Java::OrgNeo4jGraphdbTraversal::Evaluation::EXCLUDE_AND_CONTINUE
end
end
end
end
end
end
Version data entries
3 entries across 3 versions & 1 rubygems