Package es.uam.eps.ir.relison.io.graph

Class PajekGraphReader<U extends java.io.Serializable>

java.lang.Object
es.uam.eps.ir.relison.io.graph.PajekGraphReader<U>
Type Parameters:
U - Type of the users
All Implemented Interfaces:
GraphReader<U>
public class PajekGraphReader<U extends java.io.Serializable>
extends java.lang.Object
implements GraphReader<U>
Reads a graph using the Pajek format:

Format:

*Vertices numVertices
vertexId1 "vertexLabel1"
vertexId2 "vertexLabel2"
...
vertexIdN "vertexLabelN"
*Edges or *Arcs numEdges
vertexId1.1 vertexId1.2 weight1
vertexId2.1 vertexId2.2 weight2
...
vertexIdM.1 vertexIdM.2 weightM

  • Field Summary

    Fields 
    Modifier and Type Field Description
    private boolean directed
    Indicates if the graph to read is directed (true) or not (false)
    private boolean multigraph
    Indicates if the graph to read is a multigraph (true) or not (false)
    private boolean selfloops
    Indicates if the graph to read allows autoloops (true) or not (false)
    private org.ranksys.formats.parsing.Parser<U> uParser
    Parser for reading the users
    private boolean weighted
    Indicates if the graph to read is weighted (true) or not (false)

  • Constructor Summary

    Constructors 
    Constructor Description
    PajekGraphReader​(boolean multigraph, boolean directed, boolean weighted, boolean selfloops, org.ranksys.formats.parsing.Parser<U> uParser)
    Constructor

  • Method Summary

    Modifier and Type Method Description
    Graph<U> read​(java.io.InputStream stream)
    Given an input stream, reads a file from it (for reading embedded graphs in greater files).
    Graph<U> read​(java.io.InputStream stream, boolean readWeights, boolean readTypes)
    Given an input stream, reads a file from it (for reading embedded graphs in greater files).
    Graph<U> read​(java.io.InputStream stream, boolean readWeights, boolean readTypes, Index<U> users)
    Given an input stream, reads a file from it (for reading embedded graphs in greater files).
    Graph<U> read​(java.lang.String file)
    Given a file, reads a graph.
    Graph<U> read​(java.lang.String file, boolean readWeights, boolean readTypes)
    Given a file, reads a graph.
    Graph<U> read​(java.lang.String file, boolean readWeights, boolean readTypes, Index<U> users)
    Given an file, reads a graph.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • multigraph

      private final boolean multigraph
      Indicates if the graph to read is a multigraph (true) or not (false)

    • directed

      private final boolean directed
      Indicates if the graph to read is directed (true) or not (false)

    • weighted

      private final boolean weighted
      Indicates if the graph to read is weighted (true) or not (false)

    • selfloops

      private final boolean selfloops
      Indicates if the graph to read allows autoloops (true) or not (false)

    • uParser

      private final org.ranksys.formats.parsing.Parser<U extends java.io.Serializable> uParser
      Parser for reading the users

  • Constructor Details

    • PajekGraphReader

      public PajekGraphReader​(boolean multigraph, boolean directed, boolean weighted, boolean selfloops, org.ranksys.formats.parsing.Parser<U> uParser)
      Constructor
      Parameters:
      multigraph - Indicates if the graph to read is a multigraph (true) or not (false)
      directed - Indicates if the graph to read is directed (true) or not (false)
      weighted - Indicates if the graph to read is weighted (true) or not (false)
      selfloops - Indicates if the graph to read allows autoloops (true) or not (false)
      uParser - Parser for reading the users

  • Method Details

    • read

      public Graph<U> read​(java.lang.String file)
      Description copied from interface: GraphReader
      Given a file, reads a graph.
      Specified by:
      read in interface GraphReader<U extends java.io.Serializable>
      Parameters:
      file - The file containing the nodes.
      Returns:
      the graph if everything goes ok, null otherwise.

    • read

      public Graph<U> read​(java.lang.String file, boolean readWeights, boolean readTypes)
      Description copied from interface: GraphReader
      Given a file, reads a graph.
      Specified by:
      read in interface GraphReader<U extends java.io.Serializable>
      Parameters:
      file - The file containing the graph.
      readWeights - True if the file contains weights, false otherwise.
      readTypes - True if the file contains types, false otherwise.
      Returns:
      the graph if everything goes ok, null otherwise.

    • read

      public Graph<U> read​(java.io.InputStream stream)
      Description copied from interface: GraphReader
      Given an input stream, reads a file from it (for reading embedded graphs in greater files). By default, assumes the graph contains information about weights, but not about types.
      Specified by:
      read in interface GraphReader<U extends java.io.Serializable>
      Parameters:
      stream - The input stream we read the graph from.
      Returns:
      the graph if everything goes ok, null otherwise.

    • read

      public Graph<U> read​(java.io.InputStream stream, boolean readWeights, boolean readTypes)
      Description copied from interface: GraphReader
      Given an input stream, reads a file from it (for reading embedded graphs in greater files).
      Specified by:
      read in interface GraphReader<U extends java.io.Serializable>
      Parameters:
      stream - The input stream we read the graph from.
      readWeights - True if the file contains weights, false otherwise.
      readTypes - True if the file contains graph types.
      Returns:
      the graph if everything goes ok, null otherwise.

    • read

      public Graph<U> read​(java.lang.String file, boolean readWeights, boolean readTypes, Index<U> users)
      Description copied from interface: GraphReader
      Given an file, reads a graph.
      Specified by:
      read in interface GraphReader<U extends java.io.Serializable>
      Parameters:
      file - The file containing the graph.
      readWeights - True if the file contains weights, false otherwise.
      readTypes - True if the file contains graph types.
      users - An index containing the nodes in the network.
      Returns:
      the graph if everything goes ok, null otherwise.

    • read

      public Graph<U> read​(java.io.InputStream stream, boolean readWeights, boolean readTypes, Index<U> users)
      Description copied from interface: GraphReader
      Given an input stream, reads a file from it (for reading embedded graphs in greater files).
      Specified by:
      read in interface GraphReader<U extends java.io.Serializable>
      Parameters:
      stream - The input stream we read the graph from.
      readWeights - True if the file contains weights, false otherwise.
      readTypes - True if the file contains graph types.
      users - An index containing the nodes in the network.
      Returns:
      the graph if everything goes ok, null otherwise.