edu.upc.dama.dex.io
Class EdgeTypeLoader

java.lang.Object
  edu.upc.dama.dex.io.Loader
      edu.upc.dama.dex.io.EdgeTypeLoader

public class EdgeTypeLoader
extends Loader

Loader implementation for edge types.

See Also:

Loader

Author:

Sparsity Technologies

Nested Class Summary

Nested classes/interfaces inherited from class edu.upc.dama.dex.io.Loader

Loader.LoaderEvent, Loader.Mode

Field Summary

Fields inherited from class edu.upc.dama.dex.io.Loader

DEFAULT_DATEFORMAT, headAttr, headPos, headType, tailAttr, tailPos, tailType

Constructor Summary

EdgeTypeLoader(RowReader rowReader, Graph graph, int edgeType, long tailAttr, int tailPos, long headAttr, int headPos)
Create a new instance of EdgeTypeLoader.

Method Summary

Methods inherited from class edu.upc.dama.dex.io.Loader

getFrequency, getLogFile, registerLoaderListener, run, setAttribute, setDateFormat, setDeleteTemporalFiles, setFrequency, setLogFile

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EdgeTypeLoader

public EdgeTypeLoader(RowReader rowReader,
                      Graph graph,
                      int edgeType,
                      long tailAttr,
                      int tailPos,
                      long headAttr,
                      int headPos)

Create a new instance of EdgeTypeLoader.

Parameters:

rowReader - RowReader to get the data from.

graph - Graph to load the data to.

edgeType - Edge type to load the data to.

tailAttr - Attribute identifier in the Graph to find tail nodes when loading data for an edge type. It must be an indexed attribute.

tailPos - Column index in the RowReader which stores the tails when loading data for an edge type.

headAttr - Attribute identifier in the Graph to find head nodes when loading data for an edge type. It must be and indexed attribute.

headPos - Column index in the RowReader which stores the heads when loading data for an edge type.