co.teapot.tempest.graph

MemMappedDynamicDirectedGraphConverter

Related Doc: package graph

object MemMappedDynamicDirectedGraphConverter

The convert method converts a graph from a text file of unsorted edges "<id1><whitespace><id2>" to a binary file which can be efficiently read using MemMappedDynamicDirectedGraph. This can also be run from the command line; for example: sbt assembly printf "1 2\n3 4\n1 3" > input_graph.txt java -cp target/scala-2.11/tempest<current_version>.jar \ co.teapot.tempest.graph.MemMappedDynamicDirectedGraphConverter input_graph.txt output_graph.dat

Then in scala code, MemMappedDynamicDirectedGraph("output_graph.dat") will efficiently read the graph and allow for further nodes and edges to be added.

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  6. def convert(edgeListFile: File, outputGraphFile: File, log: (String) ⇒ Unit = System.err.println): Unit

    Converts a text file of lines "<id1><whitespace><id2>" into a binary memory mapped graph.

    Converts a text file of lines "<id1><whitespace><id2>" into a binary memory mapped graph. Any duplicate edges are included in the output. Empty lines are ignored. Progress is logged using the given function.

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