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Size: 1.22 KB
Versions: 22
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Contents
module Pacer
# Methods to be mixed into Blueprints Graph objects from any
# implementation.
#
# Adds more convenient/rubyish methods and adds support for extensions
# to some methods where needed.
class GraphML
# Import the data in a GraphML file.
#
# Will fail if the data already exsts in the current graph.
#
# @param [String] path
def self.import(graph, path)
path = File.expand_path path
begin
stream = java.net.URL.new(path).open_stream
rescue java.net.MalformedURLException
stream = java.io.FileInputStream.new path
end
graph.transaction(nesting: true) do
graph.send :creating_elements do
com.tinkerpop.blueprints.util.io.graphml.GraphMLReader.input_graph graph.blueprints_graph, stream
end
end
true
ensure
stream.close if stream
end
# Export the graph to GraphML
#
# @param [String] path will be replaced if it exists
def self.export(graph, path)
path = File.expand_path path
stream = java.io.FileOutputStream.new path
com.tinkerpop.blueprints.util.io.graphml.GraphMLWriter.outputGraph graph.blueprints_graph, stream
ensure
stream.close if stream
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems